201
|
Zhou B, Zheng X, Zhu Z, Qin Q, Song K, Sun L, Sun Y, Zhang Y, Lv W, Xue Y. Effects of fertilizer application on phthalate ester pollution and the soil microbial community in plastic-shed soil on long-term fertilizer experiment. Chemosphere 2022; 308:136315. [PMID: 36087728 DOI: 10.1016/j.chemosphere.2022.136315] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/28/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
Due to the use of agricultural film, the pollution of phthalate esters (PAEs) in plastic-shed soils has attracted increasing attention. In this study, we used watermelon as a planting system and investigated the effects of organic fertilizer and chemical fertilizer application on the degradation of PAEs by evaluating soil nutrients and soil bacterial communities in plastic-shed soil. The dibutyl phthalate (DBP) concentration in the organic fertilizer soil was only 58.2% in the zero-fertilization control (CK) soil, but the concentrations of monohexyl phthalate (MEHP) and mono-n-butyl ester (MBP), the metabolites of PAEs, were found to be higher. The concentration of MBP is ten times that of DBP. The results showed that fertilization, especially the application of organic fertilizers, had a significant effect on the degradation of PAEs. There were specific biomarkers in different fertilization treatments. Among the microbiome community, Planifilum had the highest relative abundance in the organic fertilizer (OF) soil, and the highest proportion of Thermodesulfovibrionia was detected in the chemical fertilizer (CF) soil. These biomarkers were significantly correlated with PAEs and their metabolites. The relative abundance of Thermomonosporaceae was significantly positively correlated with DBP. Planifilum and Thermaerobacter, which significantly increased in organic fertilizer soil, showed a significant negative correlation with DBP and a significant positive correlation with MBP. The relative abundances of Planifilum and Geobacillus were elevated in the OF soil and may be able to co-metabolize soil nitrogen and PAEs. PAEs and their metabolites in soils had significant effects on soil microbes, as did the soil nutrients including available phosphorus (AP), alkali-hydrolysable nitrogen (Alkali-N), and organic matter (OM). Our research provides scientific support for the use of fertilizers to reduce PAE contamination but also warns of the potential risks of PAE metabolites.
Collapse
Affiliation(s)
- Bin Zhou
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Scientific Observation and Experimental Station for Agricultural Environment and Land Conservation, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Key Laboratory of Low-carbon Green Agriculture in Southeastern China, Ministry of Agriculture and Rural Affairs, Shanghai, 201403, PR China
| | - Xianqing Zheng
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Scientific Observation and Experimental Station for Agricultural Environment and Land Conservation, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Key Laboratory of Low-carbon Green Agriculture in Southeastern China, Ministry of Agriculture and Rural Affairs, Shanghai, 201403, PR China
| | - Zhengyi Zhu
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Scientific Observation and Experimental Station for Agricultural Environment and Land Conservation, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Key Laboratory of Low-carbon Green Agriculture in Southeastern China, Ministry of Agriculture and Rural Affairs, Shanghai, 201403, PR China
| | - Qin Qin
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Scientific Observation and Experimental Station for Agricultural Environment and Land Conservation, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Key Laboratory of Low-carbon Green Agriculture in Southeastern China, Ministry of Agriculture and Rural Affairs, Shanghai, 201403, PR China
| | - Ke Song
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Scientific Observation and Experimental Station for Agricultural Environment and Land Conservation, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Key Laboratory of Low-carbon Green Agriculture in Southeastern China, Ministry of Agriculture and Rural Affairs, Shanghai, 201403, PR China
| | - Lijuan Sun
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Scientific Observation and Experimental Station for Agricultural Environment and Land Conservation, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Key Laboratory of Low-carbon Green Agriculture in Southeastern China, Ministry of Agriculture and Rural Affairs, Shanghai, 201403, PR China
| | - Yafei Sun
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Scientific Observation and Experimental Station for Agricultural Environment and Land Conservation, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Key Laboratory of Low-carbon Green Agriculture in Southeastern China, Ministry of Agriculture and Rural Affairs, Shanghai, 201403, PR China
| | - Yue Zhang
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Scientific Observation and Experimental Station for Agricultural Environment and Land Conservation, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Key Laboratory of Low-carbon Green Agriculture in Southeastern China, Ministry of Agriculture and Rural Affairs, Shanghai, 201403, PR China
| | - Weiguang Lv
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Scientific Observation and Experimental Station for Agricultural Environment and Land Conservation, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Key Laboratory of Low-carbon Green Agriculture in Southeastern China, Ministry of Agriculture and Rural Affairs, Shanghai, 201403, PR China.
| | - Yong Xue
- Eco-environmental Protection Research Institute, Shanghai Academy of Agricultural Sciences, Shanghai Scientific Observation and Experimental Station for Agricultural Environment and Land Conservation, Shanghai Environmental Protection Monitoring Station of Agriculture, Shanghai Engineering Research Centre of Low-carbon Agriculture (SERLA), Shanghai Key Laboratory of Protected Horticultural Technology, Key Laboratory of Low-carbon Green Agriculture in Southeastern China, Ministry of Agriculture and Rural Affairs, Shanghai, 201403, PR China.
| |
Collapse
|
202
|
Alakent B, Kaya-Özkiper K, Soyer-Uzun S. Global interpretation and generalizability of boosted regression models for the prediction of methylene blue adsorption by different clay minerals and alkali activated materials. Chemosphere 2022; 308:136248. [PMID: 36057344 DOI: 10.1016/j.chemosphere.2022.136248] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/23/2022] [Revised: 08/15/2022] [Accepted: 08/25/2022] [Indexed: 06/15/2023]
Abstract
In this study, Gradient Boosted Regression Trees is applied, for the first time, to predict governing factors for methylene blue (MB) adsorption on a variety of adsorbents involving clay minerals, such as kaolinite and sepiolite together with industrial wastes red mud and fly ash, and alkali activated materials synthesized from aforementioned raw materials. Dataset was constructed using electronic databases, such as ScienceDirect, Scopus, Elsevier, and Google, experimental studies published between 2005 and 2022 were covered. The final dataset included experimental conditions, such as adsorbent type, adsorbent properties (surface characteristics, density, and chemical modifications), pH of the medium, adsorbent dosage, and temperature; and it involved 914 datapoints, which were extracted out of 75 papers (out of ∼1360 initially screened). Among distinct parameters, initial adsorbate concentration was found to be the most dominant factor affecting the MB uptake. Concordantly, pH of the solution medium, raw material selection, and modification types were also found to be significant in MB adsorption. Results showed that in terms of raw material and modification types, sepiolite and chemical (acid and/or alkaline modification) and thermal treatments, respectively, come forward as the most powerful candidates for enhanced MB adsorption performance. Modifications applied on adsorbents should be evaluated separately, as there is no general rule applicable for all experimental conditions, and the strength of the contribution of modification type also depends on initial adsorbate concentration. Implementation of various imputation methods showed the importance of reporting experimental factors, such as surface area, in the literature. Range of applicability of the suggested modeling procedure was assessed to help experimenters in testing MB uptake under novel experimental conditions.
Collapse
Affiliation(s)
- Burak Alakent
- Department of Chemical Engineering, Bogazici University, Bebek, 34342 Istanbul, Turkey.
| | - Kardelen Kaya-Özkiper
- Department of Chemical Engineering, Bogazici University, Bebek, 34342 Istanbul, Turkey
| | - Sezen Soyer-Uzun
- Department of Chemical Engineering, Bogazici University, Bebek, 34342 Istanbul, Turkey.
| |
Collapse
|
203
|
Xu P, Bian J, Li Y, Wu J, Sun X, Wang Y. Characteristics of fluoride migration and enrichment in groundwater under the influence of natural background and anthropogenic activities. Environ Pollut 2022; 314:120208. [PMID: 36162561 DOI: 10.1016/j.envpol.2022.120208] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 09/11/2022] [Accepted: 09/15/2022] [Indexed: 06/16/2023]
Abstract
Excessive enrichment of fluoride threatens ecological stability and human health. The high-fluoride groundwater in the Chagan Lake area has existed for a long time. With the land consolidation and irrigation area construction, the distribution and migration process of fluoride have changed. It is urgent to explore the evolution of fluoride under the dual effects of nature and human. Based on 107 groundwater samples collected in different land use periods, hydrogeochemistry and isotope methods were combined to explore the evolution characteristics and hydrogeochemical processes of fluoride in typical high-fluoride background area and elucidate the impact of anthropogenic activities on fluoride migration. The results indicate that large areas of paddy fields are developed from saline-alkali land, and its area has increased by nearly 30%. The proportion of high-fluoride groundwater (>2 mg/L) has increased by nearly 10%, mainly distributed in the new irrigation area. Hydrogeochemical processes such as dissolution of fluorine-containing minerals, precipitation of carbonate minerals and exchange of Na+, Ca2+ on the water-soil interface control the enrichment of fluoride. The groundwater d-excess has no obvious change with the increase of TDS, and human activities are one of the reasons for the increase of fluoride. The concentration of fluoride is diluted due to years of diversion irrigation in old irrigation area, whereas the enrichment of δ2H, δ18O and Cl- in new irrigation area indicates that the vertical infiltration of washing alkali and irrigation water brought fluoride and other salts to groundwater. Fertilizer and wastewater discharges also contribute to the accumulation of fluoride, manifesting as co-increasing nitrate and chloride salts. The results of this study provide a new insight into fluoride migration under anthropogenic disturbance in high-fluoride background areas.
Collapse
Affiliation(s)
- Peng Xu
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China; College of New Energy and Environment, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun, 130021, China
| | - Jianmin Bian
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China; College of New Energy and Environment, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun, 130021, China.
| | - Yihan Li
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China; College of New Energy and Environment, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun, 130021, China
| | - Juanjuan Wu
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China; College of New Energy and Environment, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun, 130021, China
| | - Xiaoqing Sun
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China; College of New Energy and Environment, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun, 130021, China
| | - Yu Wang
- Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun, 130021, China; College of New Energy and Environment, Jilin University, Changchun, 130021, China; Jilin Provincial Key Laboratory of Water Resources and Environment, Jilin University, Changchun, 130021, China
| |
Collapse
|
204
|
He T, Liu Z, Zhou W, Cheng X, He L, Guan Q, Zhou H. Constructing the vacancies and defects by hemp stem core alkali extraction residue biochar for highly effective removal of heavy metal ions. J Environ Manage 2022; 323:116256. [PMID: 36126592 DOI: 10.1016/j.jenvman.2022.116256] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Revised: 08/30/2022] [Accepted: 09/10/2022] [Indexed: 06/15/2023]
Abstract
Defects and vacancies are the essential reasons for the removal of heavy metal ions from wastewater by low-cost biochar materials. This study aimed to use chemically activated hemp stem core alkali extraction residue biochar as an adsorbent to remove nickel (Ni) and copper (Cu) ions from the simulated waste liquid. A large number of defects and vacancies were introduced into the pyrolysis process to study the efficient removal of heavy metal ions Cu and Ni by hemp rod biomass carbon material (HSR-BC) with different carbon base mass ratios and temperatures. The specific surface area of the prepared hemp rod active biochar was highly correlated with the aperture and carbon base ratio and temperature, and reached the maximum value (1429 m2/g) at 600 °C with the ratio of carbon to base (1:3.5). The removal rates of heavy metals Ni(II) and Cu(II) were as high as 94.25% and 99.54%, respectively, and the adsorption capacities were up to 7.85 mg/g and 24.88 mg/g. The adsorption isotherm follows the Langmuir equation and chemo-adsorption was the main adsorption process. Comparing the surface defects and vacancies of biochar materials before and after adsorption showed that the defects of sp-C and oxygen vacancies produced on the edge of the carbon were the main active sites of the biochar material, an amount of carbon defects would become an anchor site for the Lewis acidic groups, the defective acid site strengthened the electron transfer between the functional group and the Ni(II)/Cu(II), promoted the strong cooperation of Ni(II)/Cu(II) ions with -COOH group to enable efficient and rapid adsorption removal. In addition, a large number of carbon-deficient structures could quickly anchor the Ni(II)/Cu(II) due to their local electron deficiency state, which was difficult to desorb. This study provided an in-depth understanding and guidance for the development of low-cost biochar materials with excellent removal performance of heavy metal ions.
Collapse
Affiliation(s)
- Tengyu He
- Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology, Kunming, China; Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, China
| | - Zilian Liu
- Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology, Kunming, China
| | - Wendi Zhou
- Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming, China
| | - Xinyue Cheng
- Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology, Kunming, China
| | - Liang He
- Faculty of Chemical Engineering, Kunming University of Science and Technology, Kunming, China
| | - Qingqing Guan
- School of Chemical Engineering and Technology, Xinjiang University, Urumqi, Xinjiang, 830046, China
| | - Huajing Zhou
- Faculty of Civil Engineering and Mechanics, Kunming University of Science and Technology, Kunming, China.
| |
Collapse
|
205
|
Hu QH, Shi YZ, Gao X, Zhang L, Liang RP, Qiu JD. An alkali-resistant metal-organic framework as halogen bond donor for efficient and selective removing of ReO 4-/TcO 4. Environ Sci Pollut Res Int 2022; 29:86815-86824. [PMID: 35794336 DOI: 10.1007/s11356-022-21870-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2022] [Accepted: 07/01/2022] [Indexed: 06/15/2023]
Abstract
99Tc is one of the most problematic nuclear fuel products due to its long half-life and high environmental mobility. Direct removal of TcO4- from the highly alkaline solution of nuclear fuel is a serious and challenging environmental issue. In this work, the first efficient synthetic approach introducing halogens into a two-dimensional metal-organic framework, named Mn-MOF, is established using MnCl2·4H2O coordinating with neutral nitrogen-donor ligand, showing ultrahigh stability in alkaline aqueous even under 1 M NaOH. The luxuriant Mn-Cl bonds and ordered hydrophobic pore channels enable the Mn-MOF to have an efficient adsorption capacity for ReO4- with a large capacity (403 mg g-1), which is higher than most MOF adsorbents. More importantly, the Mn-MOF shows an excellent selectivity toward ReO4- in high-density competitive anions, such as NO3- and SO42-. Moreover, the outstanding performance of Mn-MOF in removing ReO4- endowed it successfully separated ReO4- from the simulated Savannah River Site (SRS) high-level waste (HLW) stream with high removal of 66.84% at the phase ratio of 10. The adsorption mechanism is further demonstrated by FT-IR, XPS analysis, and DFT calculation, showing that the ReO4- can selectively interact with Mn-Cl bonds and imidazole groups, forming unique halogen bonds Cl-O-Re, and a series of hydrogen bonds, respectively. This work suggests a new approach to the removal of TcO4- from nuclear fuel.
Collapse
Affiliation(s)
- Qing-Hua Hu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China
| | - Yu-Zhen Shi
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China
| | - Xin Gao
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China
| | - Li Zhang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China
| | - Ru-Ping Liang
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China
| | - Jian-Ding Qiu
- School of Chemistry and Chemical Engineering, Nanchang University, Nanchang, 330031, China.
- State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, China.
| |
Collapse
|
206
|
Lv H, Ji C, Zhang L, Jiang C, Cai H. Zinc application promotes nitrogen transformation in rice rhizosphere soil by modifying microbial communities and gene expression levels. Sci Total Environ 2022; 849:157858. [PMID: 35934040 DOI: 10.1016/j.scitotenv.2022.157858] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 08/01/2022] [Accepted: 08/02/2022] [Indexed: 06/15/2023]
Abstract
Application of Zn fertilizers to agricultural field is a simple and effective way for farmers to manage Zn deficient stress in soils to avoid yield lose. Although a synergistic effect of Zn on N transformation in soil has been reported, the mechanism is not fully understood yet. In this study, we planted rice in soils with different combinations of Zn and N supply, and analyzed the plant growth and N uptake, the N transformation, microbial communities, enzyme activities and gene expression levels in rhizosphere soil to reveal the underlying mechanism. Results showed that Zn application promoted the rice growth and N uptake, increased the soil alkali-hydrolyzed N and NH4+, but decreased NO3- and inhibited NH3 volatilization from the rhizosphere soil under optimal N condition. Zn supply significantly increased the relative abundances of Sphingomonas, Gaiella, subgroup_6, and Gemmatimonas, but decreased nitrosifying bacteria Ellin6067; while increased saprophytic fungi Schizothecium and Mortierella, but decreased pathogenic fungi Gaeumannomyces, Acremonium, Curvularia, and Fusarium in the rhizosphere soil under optimal N condition. Meanwhile, Zn application elevated the activities of protease, cellulase and dehydrogenase, and up-regulated the expression levels of napA, nirS, cnorB, and qnorB genes involved in the denitrification process in rice rhizosphere soil under optimal N condition. These results indicated Zn application could facilitate the soil N transformation and improved its availability by modifying both bacterial and fungal communities, and altering the soil enzyme activities and functional gene expression levels, ultimately promoted the N uptake and biomass of rice plant. However, this synergistic effect of Zn on rice growth, N uptake and soil N transformation strongly depended on the external N conditions, as no significant changes were observed under high N condition. Our results indicated that Zn co-fertilized with appropriate application of N is a useful strategy to improve the N bioavailability in rice rhizosphere soil and enhance the N uptake in rice plant.
Collapse
Affiliation(s)
- Haihan Lv
- Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China; College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Chenchen Ji
- Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China; College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China
| | - Lin Zhang
- College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China.
| | - Cuncang Jiang
- Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China; College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China.
| | - Hongmei Cai
- Microelement Research Center, Huazhong Agricultural University, Wuhan 430070, China; College of Resources and Environment, Huazhong Agricultural University, Wuhan 430070, China.
| |
Collapse
|
207
|
Zhao J, Ye ZL, Wang JN, Cai GJ. [Adsorption of Mn 2+ by Modified Biochar Fixed Bed in Simulated Lakes and Reservoir Waters]. Huan Jing Ke Xue 2022; 43:4971-4981. [PMID: 36437069 DOI: 10.13227/j.hjkx.202205315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Lakes and reservoirs are important water resources for human survival and sustainable development. The seasonal excess of manganese ions (Mn2+) in drinking water in lakes and reservoirs has become an important factor threatening human life in health and social safety in production. Firstly, a batch study of NaOH-modified biochar was carried out. The effects of pyrolysis temperature (400, 500, and 600℃) and modification conditions (unmodified, pre-alkali modified, and post-alkali modified) on the adsorption performance of biochar were investigated. The results showed that the alkali pretreatment could improve the adsorption capacity of biochar, and the maximum adsorption capacity of the modified biochar obtained by alkali pretreatment at 400℃ was 41.06 mg·g-1. Additionally, the dynamic adsorption characteristics of Mn2+in the application on the fixed bed were investigated. The results showed that the stronger the adsorption capacity of biochar in the batch experiment, the longer its breakthrough point (ct/c0=0.1) and saturation point (ct/c0=0.9) in the dynamic adsorption process. In addition, when the initial concentration of Mn2+ and the influent flow rate were increased, the breakthrough point of the fixed bed was shortened from 360 min to 160 min and 200 min, respectively, and the saturation point was shortened from 865 min to 700 min and 600 min, respectively. The Thomas model could better fit the adsorption process of the fixed bed, indicating that the removal of Mn2+ by biochar was also dominated by chemical adsorption. This outcome can provide theoretical guidance for actual operations.
Collapse
Affiliation(s)
- Jie Zhao
- Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhi-Long Ye
- Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Jia-Ni Wang
- Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| | - Guan-Jing Cai
- Institute of Urban Environment, Chinese Academy of Sciences, Xiamen 361021, China
| |
Collapse
|
208
|
Chen T, Bi J, Ji Z, Yuan J, Zhao Y. Application of bipolar membrane electrodialysis for simultaneous recovery of high-value acid/alkali from saline wastewater: An in-depth review. Water Res 2022; 226:119274. [PMID: 36332296 DOI: 10.1016/j.watres.2022.119274] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 10/13/2022] [Accepted: 10/17/2022] [Indexed: 06/16/2023]
Abstract
With the development of comprehensive utilization of high-salinity wastewater, salt resources regeneration has been considered as the fundamental requirement for process sustainability and economic benefits. As one of the potential candidates, bipolar membrane electrodialysis (BMED) was rapidly developed in recent years for the treatment of saline wastewater. Different from other methods directly obtaining salts or condensed wastewater, BMED could utilize and convert the dissolved waste salt into higher-value acid and alkali simultaneously, which has various advantages including outstanding environmental effects and economic benefits. In this review, the recent applications of BMED for waste salt recovery and high-value acid/alkali generation from saline wastewater were systematically outlined. Based on the summary above, the economy analysis of BMED was further reviewed from the roles of desalination and resources recovery. In addition, the BMED-based processes integrated with in-situ utilization of the generated acid/alkali resources were discussed. Furthermore, the influence of operating factors on BMED performance were outlined. Finally, the strategies for improving BMED performance were concluded. Furthermore, the future application and prospects of BMED was presented. This work would provide guidance for the applications of bipolar membrane electrodialysis in saline wastewater treatment and the high-value conversion of salt resources into acids and alkalis.
Collapse
Affiliation(s)
- Tianyi Chen
- School of Chemical Engineering and Technology, Hebei University of Technology, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China
| | - Jingtao Bi
- School of Chemical Engineering and Technology, Hebei University of Technology, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China; Engineering Research Center of Seawater Utilization of Ministry of Education, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China; Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China
| | - Zhiyong Ji
- School of Chemical Engineering and Technology, Hebei University of Technology, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China; Engineering Research Center of Seawater Utilization of Ministry of Education, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China; Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China
| | - Junsheng Yuan
- Engineering Research Center of Seawater Utilization of Ministry of Education, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China; Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China
| | - Yingying Zhao
- School of Chemical Engineering and Technology, Hebei University of Technology, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China; Engineering Research Center of Seawater Utilization of Ministry of Education, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China; Hebei Collaborative Innovation Center of Modern Marine Chemical Technology, No.8, Guangrong Road, Hongqiao District, Tianjin 300130, China; Tianjin Key Laboratory of Chemical Process Safety, Tianjin 300130, China
| |
Collapse
|
209
|
Zhang J, Fan X, Wang X, Tang Y, Zhang H, Yuan Z, Zhou J, Han Y, Li T. Bioremediation of a saline-alkali soil polluted with Zn using ryegrass associated with Fusariumincarnatum. Environ Pollut 2022; 312:119929. [PMID: 35977634 DOI: 10.1016/j.envpol.2022.119929] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 07/29/2022] [Accepted: 08/06/2022] [Indexed: 06/15/2023]
Abstract
Biotechnological strategies have become effective in the remediation of polluted soils as they are cost-effective and do not present a risk of secondary pollution. However, using a single bioremediation technique (microorganism or plant) is not suitable for achieving a high remediation rate of polluted saline-alkali soils with heavy metals. Therefore, the present study aims to assess the effects and mechanisms of combined ryegrass and Fusarium incarnatum on the zinc (Zn)-polluted saline-alkali soil over 45 days. According to the obtained results, the combined Fusarium incarnatum-ryegrass showed the highest remediation rate of 49.35% after 45 days, resulting in a significantly lower soil Zn concentration than that observed in the control group. In addition, the inoculation of Fusarium incarnatum showed a positive effect on the soil EPS secretion. The soil protein contents ranged from 0.035 to 0.055 mg/kg, while the soil polysaccharide contents increased from 0.25 to 0.61 mg/g. The soil microbial flora and ryegrass showed resistance to saline and alkaline stresses through the secretion of extracellular polysaccharides. The three-dimensional fluorescence spectrum (3D-EEM) confirmed that EPS in the soil was mainly a fulvic acid-like substance. The fluorescein diacetate (FDA) hydrolase activity in the saline-alkali soil was first increased due to the effect of Fusarium incarnatum and then decreased to a minimum value of 96 μg/(g·h). In addition, the Fusarium incarnatum inoculation improved the diversity and richness of soil fungi. Although the Fusarium incarnatum inoculation had a slight effect on the germination of ryegrass, it increased the biomass and enrichment coefficient. The results revealed a translocation factor (TF) value of 0.316 at 45 days after ryegrass sowing, showing significant enrichment of the soil Zn heavy metal zinc in the ryegrass roots.
Collapse
Affiliation(s)
- Jinxuan Zhang
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Xiaodan Fan
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China; Tianjin Key Laboratory of Aquatic Science and Technology, Tianjin, China; Municipal Experimental Teaching Demonstration Center of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China; Tianjin International Joint Research and Development Center, Tianjin, China.
| | - Xueqi Wang
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Yinbing Tang
- Tianjin Enshui Environmental Protection Technology Co.Ltd., Tianjin, 300381, China
| | - Hao Zhang
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Zhengtong Yuan
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Jiaying Zhou
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Yibo Han
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| | - Teng Li
- School of Environmental and Municipal Engineering, Tianjin Chengjian University, Tianjin, China
| |
Collapse
|
210
|
Dilara Hatinoglu M, Dilek Sanin F. Fate and effects of polyethylene terephthalate (PET) microplastics during anaerobic digestion of alkaline-thermal pretreated sludge. Waste Manag 2022; 153:376-385. [PMID: 36194914 DOI: 10.1016/j.wasman.2022.09.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 09/06/2022] [Accepted: 09/16/2022] [Indexed: 06/16/2023]
Abstract
Plastics are resilient, hard to degrade materials that can persist in nature for centuries. Microplastics (MPs) exhibit similar tough character and hold the potential to harm marine and terrestrial ecosystems upon their release into the environment. Most modern wastewater treatment plants remove MPs from wastewater with over 90% efficiency but unfortunately concentrate them in sludge. Recent studies have reported MPs' impact on the performance of sludge treatment systems, including anaerobic digesters. Despite its resilience, polyethylene terephthalate (PET) has inherent weaknesses against alkaline and thermal conditions and becomes more prone to further degradation if exposed to such stress conditions. Sludge pretreatment practices aiming to increase biogas production by disrupting floc structure show great similarity with the stress factors mentioned. Thus, this study aims to integrate pretreatment with anaerobic digestion and investigate the fate and effects of PET MPs during these processes. For this purpose, waste activated sludge samples spiked with different doses of PET (0, 1, 3, 6 mg/g TS) in sizes of 250-500 µm were pretreated by 0.5 M alkali for two days and then thermally hydrolyzed at 127 °C for 120 min. Pretreated and unpretreated sludges were digested in a 60-day biochemical methane potential test. The results showed that the spiking of PET MPs into sludge posed a positive impact on the methane yield of unpretreated reactors at statistically significant levels. Integrating pretreatment increased the methane yield by 22.0% and made the impact of MPs on digester efficiency no longer observable. Also, PET exposed to pretreatment and 60-day digestion experienced remarkable changes in surface morphology, crystallinity and carbonyl index, which can further impact their fate and effects on the environment.
Collapse
Affiliation(s)
- M Dilara Hatinoglu
- Department of Environmental Engineering, Middle East Technical University, 06800 Ankara, Turkey
| | - F Dilek Sanin
- Department of Environmental Engineering, Middle East Technical University, 06800 Ankara, Turkey.
| |
Collapse
|
211
|
Su W, Zhao M, Xing Y, Ma H, Liu P, Li X, Zhang H, Wu Y, Xia C. Supercritical water gasification of hyperaccumulators for hydrogen production and heavy metal immobilization with alkali metal catalysts. Environ Res 2022; 214:114093. [PMID: 35998690 DOI: 10.1016/j.envres.2022.114093] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2022] [Revised: 07/21/2022] [Accepted: 08/08/2022] [Indexed: 06/15/2023]
Abstract
The high moisture content and heavy metal concentration of hyperaccumulator are the main bottlenecks of resource utilization. Supercritical water gasification technology was used to convert Sedum plumbizincicola (a hyperaccumulator of Zn and Cd) into hydrogen gas and to immobilize HMs into biochar. Homogeneous alkali metal catalysts such as NaOH, Na2CO3 and Ca(OH)2 were added to optimize the experimental conditions. The results showed that NaOH was effective in capturing CO2in-situ, thereby shifting the water-gas shift reaction equilibrium in the forward direction. And the increase of NaOH concentration had a significant promotion effect on hydrogen production. In the non-catalytic gasification of Sedum plumbizincicola, the highest hydrogen (1.5 mol/kg) and H2 selectivity (22.9%) with greater carbon gasification efficiency (19.3%) and lower H2 gasification efficiency (8.7%) of the gas products were obtained at 400 °C with 6 wt% material concentration for 20 min. However, NaOH at 5% mass fraction maximized hydrogen and H2 selectivity up to 7.5 and 98.2%, respectively. Alkali catalyst not only promoted the generation of hydrogen-rich bio-gas but also enhanced the immobilization efficiency of heavy metals. Compared to non-catalytic, when the addition amount of NaOH was 1 wt%, the Zn、Mn、Cd、Pb、Cr accumulated in biochar increased significantly for 76.8, 42.5, 80.8, 75.6 and 80.0%, respectively. This study highlights the remarkable ability of SCWG with alkali catalyst for hydrogen production and heavy metal stabilization.
Collapse
Affiliation(s)
- Wei Su
- Department of Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Miaomiao Zhao
- Department of Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Yi Xing
- Department of Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Hongzhi Ma
- Department of Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China.
| | - Ping Liu
- Department of Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Xinyan Li
- Department of Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Hongshuo Zhang
- Department of Environmental Engineering, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, 30 Xueyuan Road, Haidian District, Beijing, 100083, China
| | - Yingji Wu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu, 210037, China.
| |
Collapse
|
212
|
Tang CC, Yao XY, Zou ZS, Zhou AJ, Liu W, Ren YX, Li ZH, Wang A, He ZW. Response of anaerobic digestion of waste activated sludge to types of alkalis: Contribution identification of metal ions. Bioresour Technol 2022; 363:127895. [PMID: 36067895 DOI: 10.1016/j.biortech.2022.127895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/28/2022] [Accepted: 08/30/2022] [Indexed: 06/15/2023]
Abstract
Alkaline pretreatment is one promising strategy for promoting anaerobic digestion of waste activated sludge (WAS). This study selected three types of alkalis with monovalent (NaOH and KOH), divalent (Ca(OH)2 and Mg(OH)2), and trivalent (Fe(OH)3 and Al(OH)3) cations to reveal the roles of metal ions on short chain fatty acids (SCFAs) production. The enhanced production potentials of SCFAs were reduced by order of alkalis with monovalent, divalent, and trivalent cations. Na+, K+, Ca2+, and Mg2+ did no contributions on SCFAs production, while Fe3+ and Al3+ performed better than control, especially the latter. The mechanism analysis proved that Na+, K+, Ca2+, and Mg2+ did no significant effects on solubilization, hydrolysis, acidification and methanogenesis stages, while the first three stages were improved by Fe3+ and Al3+ and the methanogenesis stage was inhibited. The findings may provide some new insights when using alkalis or residual metal ions to improve anaerobic digestion of WAS.
Collapse
Affiliation(s)
- Cong-Cong Tang
- Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Xing-Ye Yao
- Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Zheng-Shuo Zou
- Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Ai-Juan Zhou
- College of Environmental Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Wenzong Liu
- State Key Laboratory of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
| | - Yong-Xiang Ren
- Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Zhi-Hua Li
- Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China
| | - Aijie Wang
- State Key Laboratory of Urban Water Resource and Environment, School of Civil and Environmental Engineering, Harbin Institute of Technology Shenzhen, Shenzhen 518055, China
| | - Zhang-Wei He
- Key Laboratory of Northwest Water Resource, Environment and Ecology, Ministry of Education, Xi'an University of Architecture and Technology, Xi'an 710055, China; Shaanxi Key Laboratory of Environmental Engineering, School of Environmental and Municipal Engineering, Xi'an University of Architecture and Technology, Xi'an 710055, China.
| |
Collapse
|
213
|
Wu X, Amanze C, Wang J, Yu Z, Shen L, Wu X, Li J, Yu R, Liu Y, Zeng W. Isolation and characterization of a novel thermotolerant alkali lignin-degrading bacterium Aneurinibacillus sp. LD3 and its application in food waste composting. Chemosphere 2022; 307:135859. [PMID: 35987270 DOI: 10.1016/j.chemosphere.2022.135859] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/08/2022] [Revised: 06/16/2022] [Accepted: 07/24/2022] [Indexed: 06/15/2023]
Abstract
The aim of this study was to isolate thermotolerant alkali lignin-degrading bacteria and to investigate their degradation characteristics and application in food waste composting. Two thermotolerant alkali lignin-degrading bacteria isolates were identified as Bacillus sp. LD2 (LD2) and a novel species Aneurinibacillus sp. LD3 (LD3). Compared with strain LD2, LD3 had a higher alkali lignin degradation rate (61.28%) and ligninolytic enzyme activities, and the maximum lignin peroxidase, laccase, and manganese peroxidase activities were 3117.25, 1484.5, and 1770.75 U L-1, respectively. GC-MS analysis revealed that low-molecular-weight compounds such as 4'-hydroxy-3'-methoxy acetophenone, vanillic acid, 1-(4-hydroxy-3,5-dimethoxyphenyl), benzoic acid, and octadecanoic acid were formed in the degradation of alkali lignin by LD3, indicating the cleavage of β-aryl ether, Cα-Cβ bonds, and aromatic rings in lignin. Composting results showed that inoculating LD3 improved the degradation of organic matter by 20.11% and reduced the carbon-to-nitrogen (C/N) ratio (15.66). Additionally, a higher decrease in the content of lignocellulose was observed in the LD treatment. FTIR and 3D-EEM spectra analysis indicated that inoculating LD3 promoted the decomposition of easily available organic substances and lignocellulose and the formation of aromatic structures and humic acid-like substances. In brief, the thermotolerant lignin-degrading bacterium Aneurinibacillus sp. LD3 is effective in degrading lignin and improving the quality of composting.
Collapse
Affiliation(s)
- Xiaoyan Wu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Charles Amanze
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China; Key Laboratory of Biometallurgy, Ministry of Education, Changsha, 410083, China
| | - Jingshu Wang
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Zhaojing Yu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China
| | - Li Shen
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China; Key Laboratory of Biometallurgy, Ministry of Education, Changsha, 410083, China
| | - Xueling Wu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China; Key Laboratory of Biometallurgy, Ministry of Education, Changsha, 410083, China
| | - Jiaokun Li
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China; Key Laboratory of Biometallurgy, Ministry of Education, Changsha, 410083, China
| | - Runlan Yu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China; Key Laboratory of Biometallurgy, Ministry of Education, Changsha, 410083, China
| | - Yuandong Liu
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China; Key Laboratory of Biometallurgy, Ministry of Education, Changsha, 410083, China
| | - Weimin Zeng
- School of Minerals Processing and Bioengineering, Central South University, Changsha, 410083, China; Key Laboratory of Biometallurgy, Ministry of Education, Changsha, 410083, China.
| |
Collapse
|
214
|
Tang Y, Liu M, He D, Pan R, Dong W, Feng S, Ma L. Efficient electrochemical degradation of X-GN dye wastewater using porous boron-doped diamond electrode. Chemosphere 2022; 307:135912. [PMID: 35940411 DOI: 10.1016/j.chemosphere.2022.135912] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Revised: 07/29/2022] [Accepted: 07/30/2022] [Indexed: 06/15/2023]
Abstract
Surface porous Ti substrates were obtained by electrodeposition-hot melt-alkali etching. Porous-Ti/BDD and flat-Ti/BDD electrodes were prepared for comparative study. The results of SEM, Raman, and XRD analyses show that the BDD films of these two electrodes had good uniformity and stable quality. The electrochemical window (EW) and electrochemical-active surface area (EASA) of the porous-Ti/BDD electrode is as high as 4.21 V and 22.78 cm2 (11.39 cm2/cm2), respectively. Furthermore, the electrochemical catalytic performance and degradation mechanism of porous-Ti/BDD electrode as the anode were studied by the electrolysis of Active Orange dye X-GN (X-GN), and the optimal electrochemical degradation operating parameters were obtained. The results show that when the degradation time was 50 min, the X-GN was completely decolorized. The TOC removal rate reached 69.24%, and the energy consumption was 5.62 kWh m-3. The contribution rate of •OH and SO4•- was calculated to be 91.40% and 1.26% by radical quenching experiments, respectively, indicating that the active substances in the degradation system were mainly •OH and SO4•-. The high specific surface characteristics of porous-Ti/BDD electrode enhanced its electrochemical oxidation advantages, and it showed a high degradation efficiency and low energy consumption for the treatment of X-GN simulated wastewater.
Collapse
Affiliation(s)
- Yining Tang
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, PR China
| | - Mengli Liu
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, PR China
| | - Deliang He
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, PR China.
| | - Rong Pan
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, PR China
| | - Wei Dong
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, PR China
| | - Shangce Feng
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, PR China
| | - Li Ma
- College of Chemistry and Chemical Engineering, Hunan University, Changsha, Hunan, 410082, PR China
| |
Collapse
|
215
|
Angeli JLF, Sartoretto JR, Kim BSM, de Lima Ferreira PA, Benedetti B, de Mahiques MM, Figueira RCL. Historical mercury contamination in a major Latin American industrial and port complex: The case of the Santos estuary, Southeastern Brazil. Mar Pollut Bull 2022; 184:114100. [PMID: 36155413 DOI: 10.1016/j.marpolbul.2022.114100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 08/29/2022] [Accepted: 08/30/2022] [Indexed: 06/16/2023]
Abstract
The present study determined total mercury (Hg) in four 210Pb dated sediment cores to assess the historical anthropogenic Hg accumulation in the Santos estuary, Southeastern Brazil. Background levels were identified using the deepest sections of the cores, corresponding to pre-industrial ages. Mercury distribution in the sediment cores (0.02-2.64 mg kg-1) presented a large spatial and temporal variation. Contamination is highest in the upper estuary and indicates that the industrial hub, especially a chlor-alkali plant is the primary source of Hg. A contaminant trap effect is observed in this area associated with high fine sediment accumulation and Hg fluxes. The contamination pattern indicates that the regions not affected by direct inputs are influenced by reworking, resuspension, and transport of contaminated sediments by tidal flows. The Hg enrichment in the upper layers of the sediment cores demonstrates that the environmental actions fulfilled in the 1980s were insufficient to control Hg pollution in the Santos estuary.
Collapse
Affiliation(s)
- José Lourenço Friedmann Angeli
- Instituto Oceanográfico - Universidade de São Paulo (IOUSP), Pça. do Oceanográfico. 191, Butantã, São Paulo 05508-120, Brazil.
| | - Juliê Rosemberg Sartoretto
- Instituto Oceanográfico - Universidade de São Paulo (IOUSP), Pça. do Oceanográfico. 191, Butantã, São Paulo 05508-120, Brazil
| | - Bianca Sung Mi Kim
- Instituto Oceanográfico - Universidade de São Paulo (IOUSP), Pça. do Oceanográfico. 191, Butantã, São Paulo 05508-120, Brazil
| | - Paulo Alves de Lima Ferreira
- Instituto Oceanográfico - Universidade de São Paulo (IOUSP), Pça. do Oceanográfico. 191, Butantã, São Paulo 05508-120, Brazil
| | - Beatriz Benedetti
- Instituto Oceanográfico - Universidade de São Paulo (IOUSP), Pça. do Oceanográfico. 191, Butantã, São Paulo 05508-120, Brazil
| | | | - Rubens Cesar Lopes Figueira
- Instituto Oceanográfico - Universidade de São Paulo (IOUSP), Pça. do Oceanográfico. 191, Butantã, São Paulo 05508-120, Brazil
| |
Collapse
|
216
|
Dadsetan S, Siad H, Lachemi M, Mahmoodi O, Sahmaran M. Development of ambient cured geopolymer binders based on brick waste and processed glass waste. Environ Sci Pollut Res Int 2022; 29:80755-80774. [PMID: 35727515 DOI: 10.1007/s11356-022-21469-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Accepted: 06/10/2022] [Indexed: 06/15/2023]
Abstract
The current study focuses on the development of high sustainability geopolymer binders prepared from brick waste (BW), devitrified glass waste (DGW), and metakaolin (MK) as precursors, as well as sodium glass liquid (SGL) derived from DGW as alkali hardener. An algorithmic mixture design was used to target the chemical molar ratios of SiO2/Al2O3 and Na2O/SiO2, and the physical ratio of liquid/solid (L/S), involving curing under ambient temperature. Rheological characteristics, mechanical strengths, and microstructural properties of optimized geopolymers were investigated using rotational viscometry, compressive strength measurements, scanning electron microscopy (SEM), energy-dispersive X-ray spectroscopy (EDS), and Fourier-transform infrared spectroscopy (FTIR). The results indicated that a greater content of DGW compared to BW caused lower yield stress and plastic viscosity. Moreover, geopolymer binders made with SGL and reduced amount of commercial sodium silicate (SS) showed a stable polymer network with compact microstructure, achieving results comparable to the control mixture with NaOH solution. Also, it was possible to improve the strengths of BW binders by including a combined 50% DGW + 50% MK precursor with different contents. FTIR analyses identified the formation of a corrosive component in the form of dehydrated Si-O(Na) when SGL replaced NaOH with a similar SS amount and chemical factors, whereas more Q1 and Q0 silica species was formed in hardener containing SGL with reduced commercial SS, confirming the sustainable nature of the new BW + DGW + MK binders with SGL.
Collapse
Affiliation(s)
- Sina Dadsetan
- Department of Civil Engineering, Ryerson University, Toronto, ON, Canada.
| | - Hocine Siad
- Department of Civil Engineering, Ryerson University, Toronto, ON, Canada
| | - Mohamed Lachemi
- Department of Civil Engineering, Ryerson University, Toronto, ON, Canada
| | - Obaid Mahmoodi
- Department of Civil Engineering, Ryerson University, Toronto, ON, Canada
| | - Mustafa Sahmaran
- Department of Civil Engineering, Hacettepe University, Ankara, Turkey
| |
Collapse
|
217
|
Hao S, Yuling L, Penghe Z, Yang J. Optimization of dissolution and fermentation acid production of rhamnolipid-alkali-heat synergistic pretreatment of sludge. Chemosphere 2022; 306:135607. [PMID: 35810874 DOI: 10.1016/j.chemosphere.2022.135607] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Revised: 06/03/2022] [Accepted: 07/02/2022] [Indexed: 06/15/2023]
Abstract
With the development of the urban sewage treatment industry, the sludge output has increased year by year, and it has the characteristics of large output and high organic content, and has great potential for resource recovery. However, the biodegradability of sludge is poor, resulting in low added value of resource products. Therefore, it is necessary to treat sludge efficiently and improve the utilization. Based on this, the effects on sludge characteristics and acid-producing fermentation were investigated, and optimal conditions were determined by response surface method. The results showed that: The optimal conditions for experimental optimization are rhamnolipid (RL: 40 mg/gVS) alkali (Alk: 35 mg/gVS), heat: 80 °C. Response surface design optimization results are RL (28.44 mg/gVS), NaOH (35 mg/gVS), heat: 80 °C. In the process of RL-Alk-Heat pretreatment, the organic matter dissolution is Heat > Alk. Also, RL, Alk and Heat all promoted the content of fluorescent substances. From the results of the optimal combination verification test, it showed that SC (Soluble carbohydrate) and SP (Soluble protein) increase. Among them, three-factor treatment is higher than two-factor treatment than single-factor treatment.
Collapse
Affiliation(s)
- Shu Hao
- Institute of Water Resources and Hydro-electric Engineering, Xi'an University of Technology, Xi'an, 710048, China.
| | - Liu Yuling
- Institute of Water Resources and Hydro-electric Engineering, Xi'an University of Technology, Xi'an, 710048, China.
| | - Zhao Penghe
- Shaanxi Academy of Social Sciences, Xi'an, China.
| | - Jia Yang
- Institute of Water Resources and Hydro-electric Engineering, Xi'an University of Technology, Xi'an, 710048, China.
| |
Collapse
|
218
|
González-Tolivia E, Collado S, Oulego P, Díaz M. BOF slag as a new alkalizing agent for the stabilization of sewage sludge. Waste Manag 2022; 153:335-346. [PMID: 36191494 DOI: 10.1016/j.wasman.2022.09.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Revised: 08/05/2022] [Accepted: 09/08/2022] [Indexed: 06/16/2023]
Abstract
This study assessed, for the first time ever, the use of basic oxygen furnace (BOF) slag as alkalinizing material during the sludge conditioning, as an environmentally-friendly alternative to CaO and other conventional alkalis. Its effects on the dewatering, solubilisation and stabilization of sewage sludge were studied, testing increasing dosages of BOF from 0 to 6 gBOF/gTSS0 at room temperature and under constant mechanical agitation was evaluated. Results revealed that the addition of BOF slag to sewage sludge produced similar degrees of solubilisation to those obtained using lime, reaching a maximum of 34% of total COD for 3.00 gBOF/gTSS0. The use of BOF slag also involved a low solubilisation of either nitrogen, carbon or phosphorous, a negligible mobilization of heavy metals and a positive effect on its biological hygienisation. A Class A biosolid for doses of 4.50gBOF/gTSS0 or higher was achieved, which can be applied directly to the soil for agricultural purposes in accordance with current legislation.
Collapse
Affiliation(s)
- Esther González-Tolivia
- Department of Chemical and Environmental Engineering, University of Oviedo, 33071, Oviedo, Spain
| | - Sergio Collado
- Department of Chemical and Environmental Engineering, University of Oviedo, 33071, Oviedo, Spain
| | - Paula Oulego
- Department of Chemical and Environmental Engineering, University of Oviedo, 33071, Oviedo, Spain
| | - Mario Díaz
- Department of Chemical and Environmental Engineering, University of Oviedo, 33071, Oviedo, Spain.
| |
Collapse
|
219
|
Hosney A, Ullah S, Barčauskaitė K. A Review of the Chemical Extraction of Chitosan from Shrimp Wastes and Prediction of Factors Affecting Chitosan Yield by Using an Artificial Neural Network. Mar Drugs 2022; 20:675. [PMID: 36354998 PMCID: PMC9693855 DOI: 10.3390/md20110675] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 10/13/2023] Open
Abstract
There are two viable options to produce shrimp shells as by-product waste, either within the shrimp production phases or when the shrimp are peeled before cooking by the end user. This waste is considered a double-edged sword, as it is possible to be either a source of environmental pollution, through dumping and burning, or a promising source from which to produce chitosan as a biodegradable, biocompatible biopolymer which has a variety of agricultural, industrial, and biomedical applications. Chitosan is a deacetylated form of chitin that can be chemically recovered from shrimp shells through the three sequential stages of demineralization, deproteinization, and deacetylation. The main aim of this review paper is to summarize the recent literature on the chemical extraction of chitosan from shrimp shells and to represent the physicochemical properties of chitosan extracted from shrimp shells in different articles, such as chitosan yield, moisture content, solubility, ash content, and degree of deacetylation. Another aim is to analyze the influence of the main predictors of the chemical extraction stages (demineralization, deproteinization, and deacetylation) on the chitosan yield percentage by using a multilayer perceptron artificial neural network. This study showed that the deacetylation alkali concentration is the most crucial parameter, followed by the concentrations of acid and alkali of demineralization and deproteinization, respectively. The current review was conducted to be used in prospective studies for optimizing the chemical extraction of chitosan from shrimp wastes.
Collapse
Affiliation(s)
| | | | - Karolina Barčauskaitė
- Lithuanian Research Centre for Agriculture and Forestry, Instituto Av. 1, Akademija, 58344 Kedainiai, Lithuania
| |
Collapse
|
220
|
Wu T, Xu W, Li X, Du Y, Sheng M, Zhong H, Xie H, Qu J. Bioinspired Micro/Nanostructured Polyethylene/Poly(Ethylene Oxide)/Graphene Films with Robust Superhydrophobicity and Excellent Antireflectivity for Solar-Thermal Power Generation, Thermal Management, and Afterheat Utilization. ACS Nano 2022; 16:16624-16635. [PMID: 36240110 DOI: 10.1021/acsnano.2c06065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
The rational utilization and circulation of multiple energy sources is an effective way to address the crises of energy shortages and environmental pollution. Herein, microextrusion compression molding, an industrialized polymer molding technology that combines melt blending and compression molding, is proposed for the mass production of a bioinspired micro/nanostructured polyethylene/poly(ethylene oxide)/graphene (MN-PPG) film. The MN-PPG film exhibits robust shape stability, high storage energy density, and excellent thermal management capability owing to the cocontinuous network formed by poly(ethylene oxide) and the polyethylene matrix. The MN-PPG film has sufficient photothermal property due to the uniformly dispersed graphene nanosheets and the bioinspired surface micro/nanostructures. Interestingly, the MN-PPG film surface exhibits durable superhydrophobicity, acid/alkali resistance, and active deicing performance. Further, a multifunctional energy harvesting and circulation system was established by integrating the MN-PPG film, an LED chip, and a thermoelectric module. The hybrid system produced an open-circuit voltage of 315.4 mV and power output of 2.5 W m-2 under 3 sun irradiation. Furthermore, the afterheat generated by the LED chips at night can be converted into electricity through thermoelectric conversion. The proposed method enables the large-scale fabrication of multifunctional phase change composites for energy harvesting in harsh environments.
Collapse
Affiliation(s)
- Ting Wu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, Hubei430074, China
| | - Wenhua Xu
- Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Guangzhou, Guangdong510640, China
| | - Xiaolong Li
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, Hubei430074, China
| | - Yu Du
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, Hubei430074, China
| | - Mengjie Sheng
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, Hubei430074, China
| | - Haifei Zhong
- Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Guangzhou, Guangdong510640, China
| | - Heng Xie
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, Hubei430074, China
| | - Jinping Qu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Key Laboratory of Material Chemistry and Service Failure and Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan, Hubei430074, China
- Guangdong Provincial Key Laboratory of Technique and Equipment for Macromolecular Advanced Manufacturing, South China University of Technology, Guangzhou, Guangdong510640, China
| |
Collapse
|
221
|
Tang C, Chai Y, Wang C, Wang Z, Min J, Wang Y, Qi W, Su R, He Z. Pickering Emulsions Stabilized by Lignin/Chitosan Nanoparticles for Biphasic Enzyme Catalysis. Langmuir 2022; 38:12849-12858. [PMID: 36215031 DOI: 10.1021/acs.langmuir.2c01819] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
In this study, we construct a green and high-performance platform using Pickering emulsions for biphasic catalysis. The oil-in-water Pickering emulsions stabilized by the lignin/chitosan nanoparticles (Lig/Chi NPs) have great stability and alkali resistance, showing pH-responsive reversible emulsification and demulsification which can be recycled at least three times. The Pickering emulsion also has fluorescence and wide availability to different oil-to-water volume ratios, types of oil, storage times, temperatures, and ion concentrations. When this system is applied to the lipase-catalyzed reaction for the hydrolysis of p-nitrophenol palmitate, it will provide stable and large oil-water reaction interface areas, and the negatively charged lipase will enrich at the emulsion interface by electrostatic adsorption of the positively charged Lig/Chi NPs to achieve immobilization (lipase-Lig/Chi NPs). The reaction conversion rate can reach nearly 100% in 30 min, which is nearly three times higher than that of the conventional two-phase system. Moreover, the lipases in Pickering emulsion stabilized by Lig/Chi NPs exhibit great recyclability because of the protection of Lig/Chi NPs.
Collapse
Affiliation(s)
- Chuanmei Tang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Yingying Chai
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Chaoxuan Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Zixuan Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Jiwei Min
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| | - Yuefei Wang
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin 300072, P. R. China
| | - Wei Qi
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin 300072, P. R. China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin), Tianjin 300072, P. R. China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin 300072, P. R. China
| | - Zhimin He
- State Key Laboratory of Chemical Engineering, School of Chemical Engineering and Technology, Tianjin University, Tianjin 300072, P. R. China
| |
Collapse
|
222
|
Chen H, Zhao R, Zuo W, Dong G, He D, Zheng T, Liu C, Xie H, Wang X. Preparation of Alkali Activated Cementitious Material by Upgraded Fly Ash from MSW Incineration. Int J Environ Res Public Health 2022; 19:13666. [PMID: 36294245 PMCID: PMC9602897 DOI: 10.3390/ijerph192013666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 10/16/2022] [Accepted: 10/18/2022] [Indexed: 06/16/2023]
Abstract
Utilization of municipal solid waste incineration fly ash (MSWI-FA) can avoid land occupation and environmental risks of landfill. In this paper, MSWI-FA was used to prepare alkali activated cementitious materials (AACMs) after two-step pretreatment. The ash calcination at 450 °C removed 93% of dioxins. The alkali washing with 0.2 g NaOH/g ash removed 89% of chlorine and retained almost 100% of calcium. The initial setting time of AACMs was too short to detect for 20% of MSWI-FA addition, and the prepared block had extensive cracks and expansion for CaClOH and CaSO4 inside. Alkaline washing pretreatment increased the initial setting time by longer than 3 min with 30% ash addition and eliminated the cracks and expansion. The significance of the factors for compressive strength followed the modulus of alkali activator > silica fume amount > alkaline washing MSWI fly ash (AW-MSWI-FA) amount. When the activator modulus was 1.2, 1.4 and 1.6, the blocks with 30% of AW-MSWI-FA had a compressive strength of up to 36.73, 32.61 and 16.06 MPa, meeting MU15 grade. The leaching test shows that these AACM blocks were not hazardous waste and almost no Zn, Cu, Cd, Pb, Ba, Ni, Be and Ag were released in the leaching solution.
Collapse
Affiliation(s)
- Hongwei Chen
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210042, China
- Jiangsu Environmental Engineering Technology Co., Ltd., Nanjing 210019, China
| | - Runbo Zhao
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210042, China
- Jiangsu Environmental Engineering Technology Co., Ltd., Nanjing 210019, China
| | - Wu Zuo
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210042, China
- Jiangsu Environmental Engineering Technology Co., Ltd., Nanjing 210019, China
| | - Guanghui Dong
- Jiangsu Environmental Engineering Technology Co., Ltd., Nanjing 210019, China
| | - Dongyang He
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210042, China
| | - Tengfei Zheng
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210042, China
| | - Changqi Liu
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210042, China
| | - Hao Xie
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210042, China
- Zhenjiang Institute for Innovation and Development, Nanjing Normal University, Zhenjiang 212016, China
| | - Xinye Wang
- Jiangsu Provincial Key Laboratory of Materials Cycling and Pollution Control, School of Energy and Mechanical Engineering, Nanjing Normal University, Nanjing 210042, China
- Zhenjiang Institute for Innovation and Development, Nanjing Normal University, Zhenjiang 212016, China
| |
Collapse
|
223
|
Ren Y, Yang Y, Zhang J, Ge S, Ye H, Shi Y, Xia C, Sheng Y, Zhang Z. Innovative Conversion of Pretreated Buxus sinica into High-Performance Biocomposites for Potential Use as Furniture Material. ACS Appl Mater Interfaces 2022; 14:47176-47187. [PMID: 36214472 DOI: 10.1021/acsami.2c15649] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
Traditional wood-based panels are usually made from large-diameter trees and rely on adhesives for compactness, which negatively impacts the environment and human health. However, the widely distributed small-diameter shrubs are good raw materials for wood-based panels with abundant fibers, but are often under-exploited. This research reports the preparation of self-bonding biocomposites from Buxus sinica by an innovative combined approach of extraction, alkali treatment, and hot molding. The resulted biocomposites show better mechanical properties in which the flexural modulus (7.79 GPa) and the tensile modulus (4.33 GPa) were 5 times and 1.7 times higher than the conventional fiberboard, respectively, and also demonstrated better hydrophobicity than fiberboard, which could be due to the layer of lignin that formed on its surface preventing the infiltration of water. To sum up, the biocomposites prepared from small-diameter shrubs meet the requirement of the furniture and architectural decoration materials, suggesting that the proposed approach can be used to produce high-performance biocomposites.
Collapse
Affiliation(s)
- Yi Ren
- College of Furniture and Art Design, Central South University of Forestry and Technology, Green Furniture Engineering Technology Research Center in Hunan, National Forestry & Grassland Administration, Green Home Engineering Technology Research Center, Changsha, Hunan410004, China
| | - Yang Yang
- College of Furniture and Art Design, Central South University of Forestry and Technology, Green Furniture Engineering Technology Research Center in Hunan, National Forestry & Grassland Administration, Green Home Engineering Technology Research Center, Changsha, Hunan410004, China
| | - Jijuan Zhang
- College of Furniture and Art Design, Central South University of Forestry and Technology, Green Furniture Engineering Technology Research Center in Hunan, National Forestry & Grassland Administration, Green Home Engineering Technology Research Center, Changsha, Hunan410004, China
| | - Shengbo Ge
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu210037, China
| | - Haoran Ye
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu210037, China
| | - Yang Shi
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu210037, China
| | - Changlei Xia
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu210037, China
| | - Yequan Sheng
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, International Innovation Center for Forest Chemicals and Materials, College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu210037, China
| | - Zhongfeng Zhang
- College of Furniture and Art Design, Central South University of Forestry and Technology, Green Furniture Engineering Technology Research Center in Hunan, National Forestry & Grassland Administration, Green Home Engineering Technology Research Center, Changsha, Hunan410004, China
| |
Collapse
|
224
|
da Costa RMF, Bosch M, Simister R, Gomez LD, Canhoto JM, Batista de Carvalho LAE. Valorisation Potential of Invasive Acacia dealbata, A. longifolia and A. melanoxylon from Land Clearings. Molecules 2022; 27:7006. [PMID: 36296599 PMCID: PMC9610895 DOI: 10.3390/molecules27207006] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/04/2022] [Accepted: 10/14/2022] [Indexed: 08/02/2023] Open
Abstract
Acacia spp. are invasive in Southern Europe, and their high propagation rates produce excessive biomass, exacerbating wildfire risk. However, lignocellulosic biomass from Acacia spp. may be utilised for diverse biorefinery applications. In this study, attenuated total reflectance Fourier transform infrared spectroscopy (FTIR-ATR), high-performance anion-exchange chromatography pulsed amperometric detection (HPAEC-PAD) and lignin content determinations were used for a comparative compositional characterisation of A. dealbata, A. longifolia and A. melanoxylon. Additionally, biomass was treated with three white-rot fungi species (Ganoderma lucidum, Pleurotus ostreatus and Trametes versicolor), which preferentially degrade lignin. Our results showed that the pre-treatments do not significantly alter neutral sugar composition while reducing lignin content. Sugar release from enzymatic saccharification was enhanced, in some cases possibly due to a synergy between white-rot fungi and mild alkali pretreatments. For example, in A. dealbata stems treated with alkali and P. ostreatus, saccharification yield was 702.3 nmol mg-1, which is higher than the samples treated only with alkali (608.1 nmol mg-1), and 2.9-fold higher than the non-pretreated controls (243.9 nmol mg-1). By characterising biomass and pretreatments, generated data creates value for unused biomass resources, contributing to the implementation of sustainable biorefining systems. In due course, the generated value will lead to economic incentives for landowners to cut back invasive Acacia spp. more frequently, thus reducing excess biomass, which exacerbates wildfire risk.
Collapse
Affiliation(s)
- Ricardo M. F. da Costa
- Molecular Physical-Chemistry R&D Unit, Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
- Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Maurice Bosch
- Institute of Biological, Environmental and Rural Sciences, Aberystwyth University, Plas Gogerddan, Aberystwyth, Ceredigion SY23 3EE, UK
| | - Rachael Simister
- Centre for Novel Agricultural Products, Department of Biology, University of York, Heslington, York YO10 5DD, UK
| | - Leonardo D. Gomez
- Centre for Novel Agricultural Products, Department of Biology, University of York, Heslington, York YO10 5DD, UK
| | - Jorge M. Canhoto
- Centre for Functional Ecology, Department of Life Sciences, University of Coimbra, Calçada Martim de Freitas, 3000-456 Coimbra, Portugal
| | - Luís A. E. Batista de Carvalho
- Molecular Physical-Chemistry R&D Unit, Department of Chemistry, University of Coimbra, Rua Larga, 3004-535 Coimbra, Portugal
| |
Collapse
|
225
|
Liu D, Yu H, Gao H, Liu X, Xu W, Yang F. Insight into structural composition of dissolved organic matter in saline-alkali soil by fluorescence spectroscopy coupled with self-organizing map and structural equation modeling. Spectrochim Acta A Mol Biomol Spectrosc 2022; 279:121311. [PMID: 35617840 DOI: 10.1016/j.saa.2022.121311] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Revised: 04/20/2022] [Accepted: 04/23/2022] [Indexed: 06/15/2023]
Abstract
Soil salinization has been occurring all over the world, which severely affected crop production and threatened the life of mankind. It is necessary to take serious steps to improve soil fertility for the sustainability and productive capacity of agriculture. Soil samples of different depths were collected from native vegetation communities (Comm. Phragmites communis (CPC) and Comm. Populus alba (CPA)) and irrigated crops (corn fields (CFD) and seed melon fields (SMF)) in Hetao irrigation area of China. Three dimensional excitation-emission matrix (EEM) fluorescence technology combined with self-organizing map were used to analyze the dissolved organic matter (DOM) composition and structural characteristics in saline-alkali soils and its spatial distribution under different vegetation covers. Critical factors were recognized by classification and regression tree (CART) for distinguishing soil samples, and latent factors were revealed with structural equation modeling (SEM) for improving the humification degree of DOM from saline soils in Hetao irrigation area. Five components were obtained in the DOM substances, i.e., tyrosine-like (C1), tryptophan-like (C2), UV fulvic-like (C3), visible fulvic-like (C4) and humic-like (C5). The protein-like peaks were all obvious, and the fulvic-like peaks (600-735 a.u.) were conspicuous in the CPC soil than in others, except CFD1 and SMF1. C1 was the critical factor to distinguish native vegetation from irrigated crops, and C1 and C2 were the critical factors to distinguish CFD from SMF. Contrary to the HA/FA (0.20) and A/C (0.25), the path coefficient (-0.15) of sources with T/H was negative, indicating that the incremental contents of fluorenscense substances were in the sequences of protein-like > visible fulvic-like > UV fulvic-like > humic-like, affecting by the allochthonous. C1 (1.00) and C4 (1.00) were the primary components for improving the humification degree of DOM, which were principally originated from plant debris. EEM combined with self-organizing map, CART and SEM is an efficient way to distinguish different salinized soils and reveal the latent factors for improving the soil fertility.
Collapse
Affiliation(s)
- Dongping Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, PR China
| | - Huibin Yu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, PR China.
| | - Hongjie Gao
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, PR China
| | - Xueyu Liu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, PR China.
| | - Weining Xu
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, PR China; College of Water Sciences, Beijing Normal University, Beijing 100875, PR China
| | - Fang Yang
- State Key Laboratory of Environmental Criteria and Risk Assessment, Chinese Research Academy of Environmental Science, Beijing 100012, PR China
| |
Collapse
|
226
|
Alj I, Quiertant M, Khadour A, Grando Q, Benzarti K. Application of Distributed Optical Fiber Sensing Technology to the Detection and Monitoring of Internal Swelling Pathologies in Massive Concrete Blocks. Sensors (Basel) 2022; 22:7797. [PMID: 36298148 PMCID: PMC9611836 DOI: 10.3390/s22207797] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 10/09/2022] [Accepted: 10/11/2022] [Indexed: 06/16/2023]
Abstract
This paper presents an experimental application of Distributed Optical Fiber Sensors (DOFS) for the Structural Health Monitoring (SHM) of concrete structures affected by internal swelling pathologies. In the framework of a large research project aiming to assess the possible extension of the operating lifetime of nuclear power plants from 40 to 60 years, massive blocks were cast from reactive concrete mixtures intended to develop delayed ettringite formation and alkali-silica reaction. These blocks were subjected to specific ageing conditions to initiate and accelerate the concrete pathologies. Some of the blocks were instrumented with DOFS bonded to the surface and embedded in the concrete. Using an interrogator device based on Rayleigh backscattering and a suitable procedure to eliminate temperature effects, distributed strain measurements were then performed at different time intervals. The first results of this ongoing study made it possible to demonstrate the feasibility and effectiveness of this sensing technology for detecting and monitoring expansion induced by swelling pathologies in representative-scale concrete structures.
Collapse
Affiliation(s)
- Ismail Alj
- Matériaux et Structures (MAST) Department, Expérimentation et Modélisation pour le Génie Civil et Urbain (EMGCU), Univ Gustave Eiffel, F-77447 Marne-la-Vallée, France
| | - Marc Quiertant
- Matériaux et Structures (MAST) Department, Expérimentation et Modélisation pour le Génie Civil et Urbain (EMGCU), Univ Gustave Eiffel, F-77447 Marne-la-Vallée, France
| | - Aghiad Khadour
- Composants et Systèmes (COSYS) Department, Laboratoire Instrumentation, Simulation et Informatique Scientifique (LISIS), Univ Gustave Eiffel, F-77447 Marne-la-Vallée, France
| | - Quentin Grando
- Institut de Radioprotection et de Sûreté Nucléaire (IRSN), CEDEX, 13115 Saint-Paul-Lez-Durance, France
| | - Karim Benzarti
- Lab Navier, Univ Gustave Eiffel, Ecole Nationale des Ponts et Chaussées (ENPC), Centre National de la Recherche Scientifique (CNRS), F-77447 Marne la Vallée, France
| |
Collapse
|
227
|
Vilarinho IS, Capela MN, Pinho AS, Labrincha JA, Seabra MP. Valorization of Fly Ashes and Sands Wastes from Biomass Boilers in One-Part Geopolymers. Molecules 2022; 27:molecules27206881. [PMID: 36296476 PMCID: PMC9612157 DOI: 10.3390/molecules27206881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/09/2022] [Accepted: 10/11/2022] [Indexed: 11/16/2022] Open
Abstract
Fly ash (FA) and exhausted bed sands (sands wastes) that are generated in biomass burners for energy production are two of the wastes generated in the pulp and paper industry. The worldwide production of FA biomass is estimated at 10 million tons/year and is expected to increase. In this context, the present work aims to develop one-part alkali-activated materials with biomass FA (0–100 wt.% of the binder) and sands wastes (100 wt.% of the aggregate). FA from two different boilers, CA and CT, was characterized and the mortar’s properties, in the fresh and hardened conditions, were evaluated. Overall, the incorporation of FA decreases the compressive strength of the specimens. However, values higher than 30 MPa are reached with 50 wt.% of FA incorporation. For CA and CT, the compressive strength of mortars with 28 days of curing was 59.2 MPa (0 wt.%), 56.9 and 57.0 MPa (25 wt.%), 34.9 and 46.8 MPa (50 wt.%), 20.5 and 13.5 MPa (75 wt.%), and 9.2 and 0.2 MPa (100 wt.%), respectively. The other evaluated characteristics (density, water absorption, leached components and freeze–thaw resistance) showed no significant differences, except for the specimen with 100 wt.% of CA. Therefore, this work proved that one-part geopolymeric materials with up to 90 wt.% of pulp and paper industrial residues (FA and sand) can be produced, thus reducing the carbon footprint associated with the construction sector.
Collapse
Affiliation(s)
- Inês Silveirinha Vilarinho
- Department of Materials and Ceramic Engineering, CICECO-Aveiro Institute of Materials, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Marinélia Neto Capela
- Department of Materials and Ceramic Engineering, CICECO-Aveiro Institute of Materials, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Ana Sofia Pinho
- Department of Materials and Ceramic Engineering, CICECO-Aveiro Institute of Materials, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal
| | - João António Labrincha
- Department of Materials and Ceramic Engineering, CICECO-Aveiro Institute of Materials, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Maria Paula Seabra
- Department of Materials and Ceramic Engineering, CICECO-Aveiro Institute of Materials, Campus Universitário de Santiago, University of Aveiro, 3810-193 Aveiro, Portugal
| |
Collapse
|
228
|
Rozentsveig IB, Nikonova VS, Manuilov VV, Ushakov IA, Borodina TN, Smirnov VI, Korchevin NA. Heterocyclization of Bis(2-chloroprop-2-en-1-yl)sulfide in Hydrazine Hydrate–KOH: Synthesis of Thiophene and Pyrrole Derivatives. Molecules 2022; 27:molecules27206785. [PMID: 36296380 PMCID: PMC9609936 DOI: 10.3390/molecules27206785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 10/03/2022] [Accepted: 10/05/2022] [Indexed: 11/30/2022] Open
Abstract
The article is devoted to heterocyclization of bis(2-chloroprop-2-en-1-yl)sulfide which proceeds in hydrazine hydrate–alkali medium and leads to formation of thiophene and pyrrole derivatives: previously described 4,5,9,10-tetrahydrocycloocta[1,2-c;5,8-c’]dithiophene, as well as unknown hydrazone of 5-methylidene-3-methyldihydrothiophen-2-one and 1-amino-2-(propynylsulfanylpropenylsulfanyl)-3,5-dimethylpyrrole. Tentative mechanisms for the formation of the heterocyclic products are discussed. Obtained hydrazone of 5-methylidene-3-methyldihydrothiophen-2-one was used for the synthesis of a range of azine derivatives and in oxidation process with SeO2. The found reactions open up expedient approaches to the formation of various hardly accessible thiophene and pyrrole compounds from 2,3-dichloropropene and elemental sulfur as starting reagents.
Collapse
Affiliation(s)
- Igor B. Rozentsveig
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
- Chemistry Department, Irkutsk State University, Karl Marx Str., 1, 664003 Irkutsk, Russia
- Correspondence:
| | - Valentina S. Nikonova
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
| | - Victor V. Manuilov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
| | - Igor A. Ushakov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
| | - Tatyana N. Borodina
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
| | - Vladimir I. Smirnov
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
| | - Nikolay A. Korchevin
- A. E. Favorsky Irkutsk Institute of Chemistry, Siberian Branch of the Russian Academy of Sciences, 1 Favorsky St., 664033 Irkutsk, Russia
| |
Collapse
|
229
|
Ma L, Li Y, Wei JL, Li ZS, Zhou XL, Zheng FL, Wu XB, Wang L, Liu ZH, Tan DS. [Effects of Long-term Straw Returning on Fungal Community, Enzyme Activity and Wheat Yield in Fluvo-aquic Soil]. Huan Jing Ke Xue 2022; 43:4755-4764. [PMID: 36224161 DOI: 10.13227/j.hjkx.202201210] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/16/2023]
Abstract
To illustrate the effects of long-term straw returning on the fungal community, soil enzyme activity, and crop yield in a fluvo-aquic soil area typical of the Huang-Huai-Hai Plain, a 10-year field experiment (established in 2010) located in Dezhou City, Shandong province, was performed, including three fertilization regimes (NF, no fertilization control; NPK, fertilization with chemical N, P, and K fertilizers; NPKS, straw returning combined with chemical N, P, and K fertilizers). This study aimed to explore the regulation mechanisms of fungal communities on soil fertility, enzyme activities, and crop yield by employing co-occurrence network and structural equation model analyses. Our results showed that long-term straw returning significantly improved soil nutrients, enzyme activity, and wheat yield. Compared with the NPK and NF treatments, soil organic matter (SOM) increased by 9.20% and 34.75%, alkali-hydrolyzed nitrogen (AN) increased by 12.03% and 39.17%, dehydrogenase (DHA) increased by 37.21% and 50.91%, β-glucosidase (β-GC) increased by 17.29% and 73.48%, and wheat production increased by 16.22% and 125.53%, respectively. Different long-term fertilization regimes did not significantly change soil fungal α-diversity but resulted in significant differences in β-diversity. Available phosphorus (AP), SOM, and AN were the main driving factors of fungal community differentiation based on redundancy analysis and hierarchical partitioning analysis. Different abundance analyses revealed significantly different fungal community compositions among fertilization regimes. The long-term NF treatment resulted in a significant enrichment of phosphate/potassium-solubilizing species (i.e., Mortierella, Aspergillus, Ceriporia, and Acremonium) and symbiotic species (i.e., Leohumicola and Hyalodendriella). The relative abundance of pathogenic fungi, namely Sarocladium, Fusarium, and Fusicolla, increased significantly in the NPK treatment. Long-term straw returning in the NPKS treatment significantly stimulated the growth of plant growth-promoting species (i.e., Pseudogymnoascus and Schizothecium) and straw-degrading species (i.e., Trichocladium and Lobulomyces). Co-occurrence network analysis showed that the fungal network was composed of four main modules; the cumulative relative abundance of module 2 was significantly increased under the NPKS treatment and showed a positive linear correlation with DHA and β-GC. The structural equation model further indicated that the wheat yield was mainly regulated by SOM, whereas species of module 2 could indirectly affect SOM and wheat yield by positively regulating DHA and β-GC. Taken together, long-term straw returning to the fluvo-aquic soil area of the Huang-Huai-Hai Plain could regulate fungal interspecific interactions, stimulate the growth of specific species groups, inhibit the activity of pathogens, increase the activity of soil enzymes, promote the accumulation of SOM, and achieve high crop yield.
Collapse
Affiliation(s)
- Lei Ma
- Key Laboratory of Wastes Matrix Utilization, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Shandong Academy of Agricultural Sciences, Ji'nan 250100, China
| | - Yan Li
- Key Laboratory of Wastes Matrix Utilization, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Shandong Academy of Agricultural Sciences, Ji'nan 250100, China
| | - Jian-Lin Wei
- Key Laboratory of Wastes Matrix Utilization, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Shandong Academy of Agricultural Sciences, Ji'nan 250100, China
| | - Zi-Shuang Li
- Dezhou Academy of Agricultural Sciences, Dezhou 253015, China
| | - Xiao-Lin Zhou
- Dezhou Academy of Agricultural Sciences, Dezhou 253015, China
| | - Fu-Li Zheng
- Key Laboratory of Wastes Matrix Utilization, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Shandong Academy of Agricultural Sciences, Ji'nan 250100, China
| | - Xiao-Bin Wu
- Key Laboratory of Wastes Matrix Utilization, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Shandong Academy of Agricultural Sciences, Ji'nan 250100, China
| | - Li Wang
- Key Laboratory of Wastes Matrix Utilization, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Shandong Academy of Agricultural Sciences, Ji'nan 250100, China
| | - Zhao-Hui Liu
- Key Laboratory of Wastes Matrix Utilization, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Shandong Academy of Agricultural Sciences, Ji'nan 250100, China
| | - De-Shui Tan
- Key Laboratory of Wastes Matrix Utilization, Ministry of Agriculture and Rural Affairs, Institute of Agricultural Resources and Environment, Shandong Academy of Agricultural Sciences, Ji'nan 250100, China
| |
Collapse
|
230
|
Gupta S, Fink MK, Kempuraj D, Sinha NR, Martin LM, Keele LM, Sinha PR, Giuliano EA, Hesemann NP, Raikwar SP, Chaurasia SS, Mohan RR. Corneal fibrosis abrogation by a localized AAV-mediated inhibitor of differentiation 3 (Id3) gene therapy in rabbit eyes in vivo. Mol Ther 2022; 30:3257-3269. [PMID: 35780298 PMCID: PMC9552811 DOI: 10.1016/j.ymthe.2022.06.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 05/18/2022] [Accepted: 06/29/2022] [Indexed: 11/28/2022] Open
Abstract
Previously we found that inhibitor of differentiation 3 (Id3) gene, a transcriptional repressor, efficiently inhibits corneal keratocyte differentiation to myofibroblasts in vitro. This study evaluated the potential of adeno-associated virus 5 (AAV5)-mediated Id3 gene therapy to treat corneal scarring using an established rabbit in vivo disease model. Corneal scarring/fibrosis in rabbit eyes was induced by alkali trauma, and 24 h thereafter corneas were administered with either balanced salt solution AAV5-naked vector, or AAV5-Id3 vector (n = 6/group) via an optimized reported method. Therapeutic effects of AAV5-Id3 gene therapy on corneal pathology and ocular health were evaluated with clinical, histological, and molecular techniques. Localized AAV5-Id3 gene therapy significantly inhibited corneal fibrosis/haze clinically from 2.7 to 0.7 on the Fantes scale in live animals (AAV5-naked versus AAV5-Id3; p < 0.001). Furthermore, AAV5-Id3 treatment significantly reduced profibrotic gene mRNA levels: α-smooth muscle actin (α-SMA) (2.8-fold; p < 0.001), fibronectin (3.2-fold; p < 0.001), collagen I (0.8-fold; p < 0.001), and collagen III (1.4-fold; p < 0.001), as well as protein levels of α-SMA (23.8%; p < 0.001) and collagens (1.8-fold; p < 0.001). The anti-fibrotic activity of AAV5-Id3 is attributed to reduced myofibroblast formation by disrupting the binding of E-box proteins to the promoter of α-SMA, a transforming growth factor-β signaling downstream target gene. In conclusion, these results indicate that localized AAV5-Id3 delivery in stroma caused no clinically relevant ocular symptoms or corneal cellular toxicity in the rabbit eyes.
Collapse
Affiliation(s)
- Suneel Gupta
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65211, USA
| | - Michael K Fink
- Department of Pathology, School of Medicine, University of Colorado Denver Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Duraisamy Kempuraj
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65211, USA
| | - Nishant R Sinha
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65211, USA
| | - Lynn M Martin
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65211, USA
| | - Landon M Keele
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65211, USA
| | - Prashant R Sinha
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65211, USA
| | - Elizabeth A Giuliano
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65211, USA
| | - Nathan P Hesemann
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Department of Pathology, School of Medicine, University of Colorado Denver Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Sudhanshu P Raikwar
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65211, USA
| | - Shyam S Chaurasia
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65211, USA; Department of Ophthalmology & Visual Sciences, Medical College of Wisconsin, Milwaukee, WI 53226, USA
| | - Rajiv R Mohan
- Harry S. Truman Memorial Veterans' Hospital, Columbia, MO 65201, USA; Departments of Veterinary Medicine & Surgery and Biomedical Sciences, College of Veterinary Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65211, USA; Mason Eye Institute, School of Medicine, University of Missouri, 1600 East Rollins Street, Columbia, MO 65212, USA.
| |
Collapse
|
231
|
Singh L, Coronejo S, Pruthi R, Chapagain S, Subudhi PK. Integration of QTL Mapping and Whole Genome Sequencing Identifies Candidate Genes for Alkalinity Tolerance in Rice (Oryza sativa). Int J Mol Sci 2022; 23:ijms231911791. [PMID: 36233092 PMCID: PMC9569586 DOI: 10.3390/ijms231911791] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 09/27/2022] [Accepted: 09/30/2022] [Indexed: 11/16/2022] Open
Abstract
Soil alkalinity is an important stressor that impairs crop growth and development, resulting in reduced crop productivity. Unlike salinity stress, research efforts to understand the mechanism of plant adaptation to alkaline stress is limited in rice, a major staple food for the world population. We evaluated a population of 193 recombinant inbred lines (RIL) developed from a cross between Cocodrie and N22 under alkaline stress at the seedling stage. Using a linkage map consisting of 4849 SNP markers, 42 additive QTLs were identified. There were seven genomic regions where two or more QTLs for multiple traits colocalized. Three important QTL clusters were targeted, and several candidate genes were identified based on high impact variants using whole genome sequences (WGS) of both parents and differential expression in response to alkalinity stress. These genes included two expressed protein genes, the glucan endo-1,3-beta-glucosidase precursor, F-box domain-containing proteins, double-stranded RNA-binding motif-containing protein, aquaporin protein, receptor kinase-like protein, semialdehyde hydrogenase, and NAD-binding domain-containing protein genes. Tolerance to alkaline stress in Cocodrie was most likely due to the low Na+/K+ ratio resulting from reduced accumulation of Na+ ions and higher accumulation of K+ in roots and shoots. Our study demonstrated the utility of integrating QTL mapping with WGS to identify the candidate genes in the QTL regions. The QTLs and candidate genes originating from the tolerant parent Cocodrie should be targeted for introgression to improve alkalinity tolerance in rice and to elucidate the molecular basis of alkali tolerance.
Collapse
|
232
|
Owiti NA, Corrigan JJ, Pribyl LJ, Kay JE, Engelward BP. Novel In Vivo CometChip Reveals NDMA-Induced DNA Damage and Repair in Multiple Mouse Tissues. Int J Mol Sci 2022; 23:ijms231911776. [PMID: 36233095 PMCID: PMC9569458 DOI: 10.3390/ijms231911776] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 09/25/2022] [Accepted: 09/28/2022] [Indexed: 11/30/2022] Open
Abstract
The comet assay is a versatile assay for detecting DNA damage in eukaryotic cells. The assay can measure the levels of various types of damage, including DNA strand breaks, abasic sites and alkali-sensitive sites. Furthermore, the assay can also be modified to include purified DNA glycosylases so that alkylated and oxidized bases can be detected. The CometChip is a higher throughput version of the traditional comet assay and has been used to study cultured cells. Here, we have tested its utility for studies of DNA damage present in vivo. We show that the CometChip is effective in detecting DNA damage in multiple tissues of mice exposed to the direct-acting methylating agent methylmethane sulfonate (MMS) and to the metabolically activated methylating agent N-nitrosodimethylamine (NDMA), which has been found to contaminate food, water, and drugs. Specifically, results from MMS-exposed mice demonstrate that DNA damage can be detected in cells from liver, lung, kidney, pancreas, brain and spleen. Results with NDMA show that DNA damage is detectable in metabolically competent tissues (liver, lung, and kidney), and that DNA repair in vivo can be monitored over time. Additionally, it was found that DNA damage persists for many days after exposure. Furthermore, glycosylases were successfully incorporated into the assay to reveal the presence of damaged bases. Overall, this work demonstrates the efficacy of the in vivo CometChip and reveals new insights into the formation and repair of DNA damage caused by MMS and NDMA.
Collapse
Affiliation(s)
- Norah A. Owiti
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Joshua J. Corrigan
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Lee J. Pribyl
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | | | - Bevin P. Engelward
- Department of Biological Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
- Correspondence:
| |
Collapse
|
233
|
Figueroa-Bossi N, Balbontín R, Bossi L. Preparing Plasmid DNA from Bacteria. Cold Spring Harb Protoc 2022; 2022:Pdb.prot107852. [PMID: 35960622 DOI: 10.1101/pdb.prot107852] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The most common method for isolating plasmid DNA is derived from an alkaline lysis procedure. The procedure exploits the differential partitioning of plasmid and chromosomal DNA when denatured by alkali and subsequently renatured by neutralization of the medium. The circular covalently closed nature of plasmid DNA allows the denatured DNA strands to quickly find each other and reanneal during the renaturation step. This is not the case for chromosomal DNA, which, upon neutralization, aggregates with denatured proteins through hydrophobic interactions. As a result, plasmid DNA remains in solution and can be easily separated from most of the other macromolecules that coprecipitate. For the subsequent purification step, one can use the silica membrane technology integrated in many commercial kits. This technology exploits the ability of DNA to bind to silica in the presence of chaotropic salts. DNA is retained by a silica-based column, whereas most of the polysaccharides and proteins flow through. After wash steps to eliminate residual contaminants and salts, DNA is selectively eluted under low-salt conditions. A kit-free but relatively more cumbersome alternative to this procedure is the traditional phenol-chloroform extraction method followed by ethanol precipitation. Both methods are detailed here.
Collapse
Affiliation(s)
- Nara Figueroa-Bossi
- Université Paris-Saclay, CEA, CNRS, Institut de Biologie Intégrative de la Cellule (I2BC), 91190 Gif-sur-Yvette, France
| | - Roberto Balbontín
- Departamento de Genética, Facultad de Biología, Universidad de Sevilla, 41080 Sevilla, Spain
| | - Lionello Bossi
- Université Paris-Saclay, CEA, CNRS, Institut de Biologie Intégrative de la Cellule (I2BC), 91190 Gif-sur-Yvette, France
| |
Collapse
|
234
|
Seredin P, Goloshchapov D, Kashkarov V, Khydyakov Y, Nesterov D, Ippolitov I, Ippolitov Y, Vongsvivut J. Development of a Hybrid Biomimetic Enamel-Biocomposite Interface and a Study of Its Molecular Features Using Synchrotron Submicron ATR-FTIR Microspectroscopy and Multivariate Analysis Techniques. Int J Mol Sci 2022; 23:ijms231911699. [PMID: 36233001 PMCID: PMC9569639 DOI: 10.3390/ijms231911699] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 09/26/2022] [Accepted: 09/29/2022] [Indexed: 11/17/2022] Open
Abstract
Using a biomimetic strategy and bioinspired materials, our work proposed a new technological approach to create a hybrid transitional layer between enamel and dental biocomposite. For this purpose, an amino acid booster conditioner based on a set of polar amino acids (lysine, arginine, hyaluronic acid), calcium alkali, and a modified adhesive based on BisGMA and nanocrystalline carbonate-substituted hydroxyapatite are used during dental enamel restoration. The molecular properties of the hybrid interface formed using the proposed strategy were understood using methods of multivariate statistical analysis of spectral information collected using the technique of synchrotron infrared microspectroscopy. The results obtained indicate the possibility of forming a bonding that mimics the properties of natural tissue with controlled molecular properties in the hybrid layer. The diffusion of the amino acid booster conditioner component, the calcium alkali, and the modified adhesive with nanocrystalline carbonate-substituted hydroxyapatite in the hybrid interface region creates a structure that should stabilize the reconstituted crystalline enamel layer. The developed technology can form the basis for an individualized, personalized approach to dental enamel restorations.
Collapse
Affiliation(s)
- Pavel Seredin
- Solid State Physics and Nanostructures Department, Voronezh State University, University sq.1, 394018 Voronezh, Russia
- Correspondence:
| | - Dmitry Goloshchapov
- Solid State Physics and Nanostructures Department, Voronezh State University, University sq.1, 394018 Voronezh, Russia
| | - Vladimir Kashkarov
- Solid State Physics and Nanostructures Department, Voronezh State University, University sq.1, 394018 Voronezh, Russia
| | - Yury Khydyakov
- Solid State Physics and Nanostructures Department, Voronezh State University, University sq.1, 394018 Voronezh, Russia
| | - Dmitry Nesterov
- Solid State Physics and Nanostructures Department, Voronezh State University, University sq.1, 394018 Voronezh, Russia
| | - Ivan Ippolitov
- Department of Pediatric Dentistry with Orthodontia, Voronezh State Medical University, Studentcheskaya st. 11, 394006 Voronezh, Russia
| | - Yuri Ippolitov
- Department of Pediatric Dentistry with Orthodontia, Voronezh State Medical University, Studentcheskaya st. 11, 394006 Voronezh, Russia
| | - Jitraporn Vongsvivut
- Australian Synchrotron (Synchrotron Light Source Australia Pty Ltd.), 800 Blackburn Rd, Clayton, VIC 3168, Australia
| |
Collapse
|
235
|
Bianco J, Chu F, Bergsland K, Coe F, Worcester E, Prochaska M. What treatments reduce kidney stone risk in patients with bowel disease? Urolithiasis 2022; 50:557-565. [PMID: 35976425 PMCID: PMC9972896 DOI: 10.1007/s00240-022-01352-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2021] [Accepted: 08/05/2022] [Indexed: 12/30/2022]
Abstract
We examined how physicians made therapeutic choices to decrease stone risk in patients with bowel disease without colon resection, many of whom have enteric hyperoxaluria (EH), at a single clinic. We analyzed clinic records and 24-h urine collections before and after the first clinic visit, among 100 stone formers with bowel disease. We used multivariate linear regression and t tests to compare effects of fluid intake, alkali supplementation, and oxalate-focused interventions on urine characteristics. Patients advised to increase fluid intake had lower initial urine volumes (L/day; 1.3 ± 0.5 vs. 1.7 ± 0.7) and increased volume more than those not so advised (0.7 ± 0.6 vs. 0.3 ± 0.6 p = 0.03; intervention vs. non-intervention). Calcium oxalate supersaturation (CaOx SS) fell (95% CI -4.3 to -0.8). Alkali supplementation increased urine pH (0.34 ± 0.53 vs. 0.22 ± 0.55, p = 0.26) and urine citrate (mg/d; 83 ± 256 vs. 98 ± 166, p = 0.74). Patients advised to reduce oxalate (mg/day) absorption had higher urine oxalate at baseline (88 ± 44 vs. 50 ± 26) which was unchanged on follow-up (88 (baseline) vs. 91 (follow-up), p = 0.90). Neither alkali (95% CI -1.4 to 2.1) nor oxalate-focused advice (95% CI -1.2 to 2.3) lowered CaOx SS. Physicians chose treatments based on baseline urine characteristics. Advice to increase fluid intake increased urine volume and decreased CaOx SS. Alkali and oxalate interventions were ineffective.
Collapse
Affiliation(s)
- Julianna Bianco
- Department of Medicine, Nephrology Section/MC 5100, University of Chicago Medicine, 5841 S. Maryland Avenue, Chicago, IL, 60637, USA
| | - Francesca Chu
- Department of Medicine, Nephrology Section/MC 5100, University of Chicago Medicine, 5841 S. Maryland Avenue, Chicago, IL, 60637, USA
| | - Kristin Bergsland
- Department of Medicine, Nephrology Section/MC 5100, University of Chicago Medicine, 5841 S. Maryland Avenue, Chicago, IL, 60637, USA
| | - Fredric Coe
- Department of Medicine, Nephrology Section/MC 5100, University of Chicago Medicine, 5841 S. Maryland Avenue, Chicago, IL, 60637, USA
| | - Elaine Worcester
- Department of Medicine, Nephrology Section/MC 5100, University of Chicago Medicine, 5841 S. Maryland Avenue, Chicago, IL, 60637, USA
| | - Megan Prochaska
- Department of Medicine, Nephrology Section/MC 5100, University of Chicago Medicine, 5841 S. Maryland Avenue, Chicago, IL, 60637, USA.
| |
Collapse
|
236
|
Do C, Vasquez PC, Soleimani M. Metabolic Alkalosis Pathogenesis, Diagnosis, and Treatment: Core Curriculum 2022. Am J Kidney Dis 2022; 80:536-551. [PMID: 35525634 PMCID: PMC10947768 DOI: 10.1053/j.ajkd.2021.12.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Accepted: 12/03/2021] [Indexed: 02/02/2023]
Abstract
Metabolic alkalosis is a widespread acid-base disturbance, especially in hospitalized patients. It is characterized by the primary elevation of serum bicarbonate and arterial pH, along with a compensatory increase in Pco2 consequent to adaptive hypoventilation. The pathogenesis of metabolic alkalosis involves either a loss of fixed acid or a net accumulation of bicarbonate within the extracellular fluid. The loss of acid may be via the gastrointestinal tract or the kidney, whereas the sources of excess alkali may be via oral or parenteral alkali intake. Severe metabolic alkalosis in critically ill patients-arterial blood pH of 7.55 or higher-is associated with significantly increased mortality rate. The kidney is equipped with sophisticated mechanisms to avert the generation or the persistence (maintenance) of metabolic alkalosis by enhancing bicarbonate excretion. These mechanisms include increased filtration as well as decreased absorption and enhanced secretion of bicarbonate by specialized transporters in specific nephron segments. Factors that interfere with these mechanisms will impair the ability of the kidney to eliminate excess bicarbonate, therefore promoting the generation or impairing the correction of metabolic alkalosis. These factors include volume contraction, low glomerular filtration rate, potassium deficiency, hypochloremia, aldosterone excess, and elevated arterial carbon dioxide. Major clinical states are associated with metabolic alkalosis, including vomiting, aldosterone or cortisol excess, licorice ingestion, chloruretic diuretics, excess calcium alkali ingestion, and genetic diseases such as Bartter syndrome, Gitelman syndrome, and cystic fibrosis. In this installment in the AJKD Core Curriculum in Nephrology, we will review the pathogenesis of metabolic alkalosis; appraise the precipitating events; and discuss clinical presentations, diagnoses, and treatments of metabolic alkalosis.
Collapse
Affiliation(s)
- Catherine Do
- Division of Nephrology, University of New Mexico, and Veterans Administration Medical Center, Albuquerque, New Mexico
| | - Pamela C Vasquez
- Division of Nephrology, University of New Mexico, and Veterans Administration Medical Center, Albuquerque, New Mexico
| | - Manoocher Soleimani
- Division of Nephrology, Department of Medicine, University of New Mexico Health Sciences Center, Albuquerque, New Mexico.
| |
Collapse
|
237
|
Hu D, Zhu N, Li Y, Yan Y, Zhang C. Acid/alkali pretreatment enhances the formation of vivianite during anaerobic fermentation of waste activated sludge. J Environ Manage 2022; 319:115760. [PMID: 35863301 DOI: 10.1016/j.jenvman.2022.115760] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 06/13/2022] [Accepted: 07/12/2022] [Indexed: 06/15/2023]
Abstract
Phosphorus (P) recovery from waste activated sludge (WAS) of wastewater treatment plants is significant in the world suffering from P shortage. Recently, vivianite crystallization has been regarded as an essential method of recovering P from anaerobic fermentation (AF) of WAS. This study performed acid/alkali pretreatment (pH 3/pH 10) on AF of WAS to improve iron reduction and vivianite formation. The results showed that the maximum iron reduction rate (Rmax) in the pH 3 and pH 10 groups was increased by 1.9 and 1.7 times compared with that in the Control-Fe group, and the iron reduction efficiency (EFe) was increased by 17.5% and 12.0% respectively. The Fe bound P (Fe-P) proportion in the sludge in the pH 3 and pH 10 groups increased by 50.0% and 33.7%, respectively. Furthermore, the relative abundance of the iron-reducing bacteria Clostridium_sensusensu in the pH 3 group was higher; and the Fe-P proportion in the sludge and the size of vivianite crystal after AF were larger. With these results, pH 3 pretreatment was preferred for promoting Fe2+ release and vivianite formation during AF.
Collapse
Affiliation(s)
- Dexiu Hu
- State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an, 710048, China.
| | - Nian Zhu
- State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an, 710048, China
| | - Yao Li
- State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an, 710048, China
| | - Yixin Yan
- State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an, 710048, China
| | - Cong Zhang
- State Key Laboratory of Eco-hydraulics in Northwest Arid Region, Xi'an University of Technology, Xi'an, 710048, China
| |
Collapse
|
238
|
Sun Y, Zhao Y, Qiu J, Zhang S, Sun X, Gu X. Preparation and characterization of a new alkali-activated binder for superfine-tailings mine backfill. Environ Sci Pollut Res Int 2022; 29:73115-73130. [PMID: 35622277 DOI: 10.1007/s11356-022-20746-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Accepted: 05/06/2022] [Indexed: 06/15/2023]
Abstract
Recently, the increasing of ultrafine-tailings increases the amount of ordinary Portland cement (OPC) in cemented paste backfill (CPB), which leads to the rise of CPB cost and carbon emission. As a result, it is necessary to develop alternative binders. The present work focuses on the preparation of a new binder, which is activated by a mixture of calcined quarry dust (CQD) and NaOH at a mass ratio of 1:1. The results indicated that CQD/NaOH was more effective than using NaOH or CQD alone in activating blast furnace slag (BFS) and also showed better performance than OPC. The compressive strength of the CPB samples using 10% CQD/NaOH was around 3.78 MPa after curing for 90 days, around 42% higher than the OPC-based CPB samples. The reaction products of CQD/NaOH-activated BFS consisted mainly of C-(A)-S-H, hydrotalcite like phases (Ht), and M-S-H. The generation of Ht phases lowered the Al incorporation into the structure of C-S-H, resulting in lower average Al/Si ratio and mean chain length.
Collapse
Affiliation(s)
- Yong Sun
- College of Resources and Civil Engineering, Northeastern University, Shenyang, China
- Science and Technology Innovation Center of Smart Water and Resource Environment, Northeastern University, Shenyang, China
| | - Yingliang Zhao
- College of Resources and Civil Engineering, Northeastern University, Shenyang, China.
- Science and Technology Innovation Center of Smart Water and Resource Environment, Northeastern University, Shenyang, China.
| | - Jingping Qiu
- College of Resources and Civil Engineering, Northeastern University, Shenyang, China
- Science and Technology Innovation Center of Smart Water and Resource Environment, Northeastern University, Shenyang, China
| | - Shiyu Zhang
- College of Resources and Civil Engineering, Northeastern University, Shenyang, China
- College of Mining Engineering, Taiyuan University of Technology, Taiyuan, China
| | - Xiaogang Sun
- College of Resources and Civil Engineering, Northeastern University, Shenyang, China
- Science and Technology Innovation Center of Smart Water and Resource Environment, Northeastern University, Shenyang, China
| | - Xiaowei Gu
- College of Resources and Civil Engineering, Northeastern University, Shenyang, China
- Science and Technology Innovation Center of Smart Water and Resource Environment, Northeastern University, Shenyang, China
| |
Collapse
|
239
|
Kabir MM, Alam F, Akter MM, Gilroyed BH, Didar-Ul-Alam M, Tijing L, Shon HK. Highly effective water hyacinth (Eichhornia crassipes) waste-based functionalized sustainable green adsorbents for antibiotic remediation from wastewater. Chemosphere 2022; 304:135293. [PMID: 35718030 DOI: 10.1016/j.chemosphere.2022.135293] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 05/28/2022] [Accepted: 06/07/2022] [Indexed: 06/15/2023]
Abstract
Azithromycin (AZIM) is considered as one of the most frequently prescribed antibiotics (ABs) in the world by medical professionals. This study explored, two novel, cheap and environmentally beneficial adsorbents i.e., alkali treated water hyacinth powder (AT-WHP) and graphene oxide-water hyacinth-polyvinyl alcohol (GO-WH-PVA) composite, fabricated from water hyacinth (Eichhornia crassipes) waste to remediate AZIM from wastewater. Biosorption experiments were performed by batch and packed-bed column studies and the adsorbents were characterized using various instrumental methods. The morpho-chemical profile of the adsorbents suggested noteworthy AZIM adsorption. AZIM adsorption data can be reasonably explained by pseudo second order (PSO) kinetic model with maximum regression coefficient (R2 > 0.99) and lowest Marquardt's present standard deviation (MPSD) and root mean squared error (RMSE) values. The isotherm models recommended Langmuir and Temkin to be the best-fitted, providing highest regression coefficient and lowest error values. Conferring to Langmuir model, the theoretical highest adsorption potentials (qmax) were accounted to be 244.498 and 338.115 mg/g for AT-WHP and GO-WH-PVA, correspondingly, very close to experimental values (qe, exp). AZIM adsorption processes were governed by the chemisorption mechanisms. The adsorbents had excellent regeneration potential and could be reused several times. In order to scale-up application of the adsorbents, performance of a 100 L packed-bed reactor was assessed and a breakthrough time of adsorption for GO-WH-PVA was 15 min in 5000 mg/L AZIM concentration. Thus, the absorbents synthesized in this study can be considered highly effective at removal of AZIM from wastewater.
Collapse
Affiliation(s)
- Mohammad Mahbub Kabir
- Department of Environmental Science & Disaster Management, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh; Research Cell, Noakhali Science & Technology University, Noakhali, 3814, Bangladesh.
| | - Faisal Alam
- Department of Environmental Science & Disaster Management, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh
| | - Mst Mahmoda Akter
- Department of Environmental Science & Disaster Management, Noakhali Science and Technology University, Noakhali, 3814, Bangladesh
| | - Brandon H Gilroyed
- School of Environmental Sciences, University of Guelph Ridgetown Campus, Ridgetown, N0P 2C0, Canada
| | - Md Didar-Ul-Alam
- Research Cell, Noakhali Science & Technology University, Noakhali, 3814, Bangladesh
| | - Leonard Tijing
- Centre for Technology in Water and Wastewater (CTWW), School of Civil and Environmental Engineering, University of Technology Sydney (UTS), 15 Broadway, Ultimo, 2007, New South Wales, Australia; ARC Research Hub for Nutrients in a Circular Economy, University of Technology Sydney, PO Box 123, 15 Broadway, Ultimo, New South Wales, 2007, Australia
| | - Ho Kyong Shon
- Centre for Technology in Water and Wastewater (CTWW), School of Civil and Environmental Engineering, University of Technology Sydney (UTS), 15 Broadway, Ultimo, 2007, New South Wales, Australia; ARC Research Hub for Nutrients in a Circular Economy, University of Technology Sydney, PO Box 123, 15 Broadway, Ultimo, New South Wales, 2007, Australia.
| |
Collapse
|
240
|
Zeng F, Wang S, Liang J, Cao L, Liu X, Qin C, Liang C, Si C, Yu Z, Yao S. High-efficiency separation of hemicellulose from bamboo by one-step freeze-thaw-assisted alkali treatment. Bioresour Technol 2022; 361:127735. [PMID: 35934248 DOI: 10.1016/j.biortech.2022.127735] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 07/29/2022] [Accepted: 07/30/2022] [Indexed: 06/15/2023]
Abstract
The selectivity of alkali treatment (AT) for hemicellulose separation is reduced due to the alkali solubility of lignin. It was improved using freeze-thaw-assisted alkaline treatment (FT/AT). In this study, bamboo hemicellulose was separated via a one-step freeze-thaw-assisted alkali treatment (OFT/AT). The effects of freezing temperature, freezing time, alkali concentration, and treatment time on bamboo components were studied. The separation yield of hemicellulose was 73.26%, compared to 64.00% using conventional FT/AT. The separation of lignin and cellulose was inhibited as alkali concentration decreased from 7.0% to 5.0%. The extraction yield of hemicellulose increased from 46.35% to 56.12%. Structural analysis of extracted hemicellulose revealed the effective inhibition of the breakage of the xylose backbone and arabinose side chain of hemicellulose. This indicated that the molecular structure of extracted hemicellulose was relatively complete. It provides theoretical support for the efficient separation of hemicellulose by AT.
Collapse
Affiliation(s)
- Fanyan Zeng
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, PR China
| | - Shanshan Wang
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, PR China
| | - Jiarui Liang
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, PR China
| | - Liming Cao
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, PR China
| | - Xiaoxu Liu
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, PR China
| | - Chengrong Qin
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, PR China
| | - Chen Liang
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, PR China
| | - Chuanling Si
- Tianjin Key Laboratory of Pulp and Paper, Tianjin University of Science and Technology, Tianjin 300457, PR China
| | - Zebin Yu
- School of Resources, Environment and Materials, Guangxi University, Nanning 530004, PR China
| | - Shuangquan Yao
- Guangxi Key Laboratory of Clean Pulp & Papermaking and Pollution Control, School of Light Industrial and Food Engineering, Guangxi University, Nanning 530004, PR China.
| |
Collapse
|
241
|
Helser J, Perumal P, Cappuyns V. Valorizing (cleaned) sulfidic mine waste as a resource for construction materials. J Environ Manage 2022; 319:115742. [PMID: 35849929 DOI: 10.1016/j.jenvman.2022.115742] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/29/2022] [Accepted: 07/10/2022] [Indexed: 06/15/2023]
Abstract
Proper management and storage of mine waste, e.g., tailings and waste rock, is one of the main issues that mining industries face. Additionally, there is already an uncountable amount of existent historical mine waste, which may, even centuries after the closure of the mine, still be leaching contaminants into the environment. One solution to minimize the risks associated with the mine waste, with also potential economic benefits, is through the valorization of the waste. This can be done by first recovering valuable metals and removing hazardous contaminants. Then, the remaining residue can be valorized into green construction materials, such as geopolymers, ceramics or cement. For some mine waste materials, such as those with only trace levels of metals that are not economically viable to extract, the "waste" can be reused directly without this additional cleaning step. In the present study, mine waste originating from three different sites was characterized and compared with the cleaned mine waste (i.e., cleaned by bioleaching or flotation methods) and with different types of green construction materials containing 13-80 wt% (cleaned and uncleaned) mine waste. Particular emphasis was given to the mobilization of metal(loid)s from the mine waste and construction materials (i.e., ceramics, alkali-activated materials and cement) under different conditions, through a series of leaching tests (i.e., EN 12457-2, US EPA's Toxicity Characteristic Leaching Procedure, and a pH-dependent leaching test). The leaching tests were applied to either mimic current 'natural' conditions at the mining site, conditions in a landfill (end of life) or extreme conditions (i.e., extremely acidic or alkaline pH). Most of the original mine waste samples contain high levels of Pb (18-3160 mg/kg), Zn (66-10500 mg/kg), and As (10-4620 mg/kg). . The cleaning methods were not always efficient in removing the metal(loid)s and sulfur. In some cases, the cleaned mine waste samples even contained higher total metal(loid) and sulfur concentrations than the original mine waste samples. Based on the leaching studies, some alkali-activated materials, ceramics, and cement effectively immobilized certain metals (e.g., <0.5 mg/kg of Pb and <4 mg/kg of Zn). Also, longer curing times of the alkali-activated materials, in most cases, improved the immobilization of metal(loid)s. Additionally, for ceramics, the temperature at which the test pieces were fired (up to 1060 °C), also played a major role in decreasing the mobility of some metal(loid)s, while increasing others (e.g., As, potentially via the structural rearrangement of As and Fe). Overall, through this detailed characterization, the environmental impact from the mine waste to the downstream products was evaluated, determining which valorization methods are the most viable to close the circular economy loop.
Collapse
Affiliation(s)
- Jillian Helser
- KU Leuven, Centre for Economics and Corporate Sustainability (CEDON), 1000, Brussels, Belgium; KU Leuven, Department of Earth and Environmental Sciences, 3001, Leuven, Belgium
| | - Priyadharshini Perumal
- University of Oulu, Faculty of Technology, Fibre and Particle Engineering Research Unit, PO Box, 4300, Finland
| | - Valérie Cappuyns
- KU Leuven, Centre for Economics and Corporate Sustainability (CEDON), 1000, Brussels, Belgium; KU Leuven, Department of Earth and Environmental Sciences, 3001, Leuven, Belgium.
| |
Collapse
|
242
|
Ban J, Sun K, Yao J, Sunahara G, Hudson-Edwards K, Jordan G, Alakangas L, Ni W, Poon CS. Advances in the use of recycled non-ferrous slag as a resource for non-ferrous metal mine site remediation. Environ Res 2022; 213:113533. [PMID: 35690086 DOI: 10.1016/j.envres.2022.113533] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 05/17/2022] [Accepted: 05/19/2022] [Indexed: 06/15/2023]
Abstract
The growing global demand for non-ferrous metals has led to serious environmental issues involving uncovered mine site slag dumps that threaten the surrounding soils, surface waters, groundwater, and the atmosphere. Remediation of these slags using substitute cement materials for ordinary Portland cement (OPC) and precursors for alkali-activated materials (AAMs) can convert hazardous solid wastes into valuable construction materials, as well as to attain the desired solidification and stabilization (S/S) of heavy metal(loid)s (HM). This review discusses the current research on the effect of non-ferrous slags on the reaction mechanisms of the OPC and AAM. The S/S of HM from the non-ferrous slags in AAM and OPC is also reviewed. HM can be stabilized in these materials based on the complex salt effect and isomorphic effects. The major challenges faced in AAMs and OPC for HM stabilization include the long-term durability of the matrix (e.g., sulfate attack, stability of volume). The existing knowledge gaps and future trends for the sustainable application of non-ferrous slags are also discussed.
Collapse
Affiliation(s)
- Jiaxing Ban
- School of Water Resource and Environmental, Research Center of Environmental Science and Engineering, China University of Geosciences (Beijing), Beijing, 100083, China; Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, 999077, Hong Kong, China
| | - Keke Sun
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, 999077, Hong Kong, China
| | - Jun Yao
- School of Water Resource and Environmental, Research Center of Environmental Science and Engineering, China University of Geosciences (Beijing), Beijing, 100083, China.
| | - Geoffrey Sunahara
- School of Water Resource and Environmental, Research Center of Environmental Science and Engineering, China University of Geosciences (Beijing), Beijing, 100083, China; Department of Natural Resource Sciences, McGill University, Montreal, Quebec, H9X3V9, Canada
| | - Karen Hudson-Edwards
- Environment and Sustainability Institute and Camborne School of Mines, University of Exeter, Penryn, Cornwall, TR10 9FE, UK
| | - Gyozo Jordan
- Department of Applied Chemistry, Szent István University, Budapest, 1118, Hungary; State Key Laboratory for Environmental Geochemistry, China Academy of Sciences, Guizhou, 550081, China
| | - Lena Alakangas
- Division of Geosciences and Environmental Engineering, Department of Civil, Environmental and Natural Resources Engineering. Luleå University of Technology, 97187, Luleå, Sweden
| | - Wen Ni
- State Key Laboratory of High-Efficient Mining and Safe of Metal Mines, University of Science and Technology Beijing, Ministry of Education, Beijing, 100083, China
| | - Chi-Sun Poon
- Department of Civil and Environmental Engineering, The Hong Kong Polytechnic University, Hung Hom, Kowloon, 999077, Hong Kong, China
| |
Collapse
|
243
|
Liu B, Hu Y, Wang Y, Xue H, Li Z, Li M. Effects of saline-alkali stress on bacterial and fungal community diversity in Leymus chinensis rhizosphere soil. Environ Sci Pollut Res Int 2022; 29:70000-70013. [PMID: 35579830 DOI: 10.1007/s11356-022-20270-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/17/2021] [Accepted: 04/11/2022] [Indexed: 06/15/2023]
Abstract
The salinization of grassland in arid and semi-arid areas is a serious environmental issue in China. Halophytes show extreme salt tolerance and are grown in saline-alkaline environments. Their rhizosphere microorganisms contribute significantly to plant stress tolerance. To study bacterial and fungal community structure changes in Chinese ryegrass (Leymus chinensis) rhizosphere soil under salt and alkali stress, pot experiments were conducted with different salt and alkali stress intensities. High-throughput sequencing was conducted, and the microbial diversity, community structure, and driving factors were analyzed in rhizosphere soil. The salinization of grassland in arid and semi-arid areas is a serious environmental issue in China. Halophytes show extreme salt tolerance and grow in saline-alkaline environments. A total of 549 species of bacteria from 28 phyla and 250 species from 11 phyla of fungi were detected in the rhizosphere soil of Leymus chinensis with different saline-alkali gradients. Alpha diversity analysis along saline-alkali gradients showed that bacterial community richness and diversity were the highest in the moderate saline-alkali group (pH = 8.28, EC = 160.4 μS·cm-1), while fungi had high richness and diversity in the control group (pH = 7.35, EC = 134.5 μS·cm-1). The bacteriophyta Proteobacteria, Acidobacteria, Plantomycetes, and the eumycota Ascomycota, Basidiomycota, and Glomeromycota were found with relative abundances of more than 10%. Saline-alkali gradients had significant effects on the abundance of the bacterial and fungal groups in the rhizosphere. The distribution of bacterial colony structure was not significant at the species level (P > 0.05). However, there were significant differences in the distribution of fungal structure and considerable differences in the composition of fungal species among the moderate saline-alkali group, severe saline-alkali group, and control group (P < 0.05). Correlation analysis showed that the bacterial phylum Gemmatimonadetes had a highly significant positive correlation with pH and EC (P < 0. 01). Saline-alkali stress significantly inhibited the abundance of the bacteria Latescibacteria, Cyanobacteria, and Bacteroides, and the fungi Zoopagomycota, Mortierllomycota, and Cryptomycota (P < 0. 05). Compared with fungi, bacterial community composition was most closely correlated with soil salinization. This report provided new insights into the responses of relationships between rhizosphere soil microorganisms and salt and alkali tolerance of plants.
Collapse
Affiliation(s)
- Binshuo Liu
- Disciplines Construction Office, Jilin Jianzhu University, Changchun, 130118, People's Republic of China
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, College of Municipal and Environmental Engineering, Jilin Jianzhu University, Changchun, 130118, People's Republic of China
| | - Yunhang Hu
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, College of Municipal and Environmental Engineering, Jilin Jianzhu University, Changchun, 130118, People's Republic of China
| | - Ying Wang
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, College of Municipal and Environmental Engineering, Jilin Jianzhu University, Changchun, 130118, People's Republic of China
| | - Honghai Xue
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, College of Municipal and Environmental Engineering, Jilin Jianzhu University, Changchun, 130118, People's Republic of China
| | - Zhonghe Li
- Institute of Grassland and Ecology Sciences, Jilin Academy of Agricultural Sciences, Changchun, 130033, People's Republic of China
| | - Ming Li
- Key Laboratory of Songliao Aquatic Environment, Ministry of Education, College of Municipal and Environmental Engineering, Jilin Jianzhu University, Changchun, 130118, People's Republic of China.
- College of New Energy and Environmental Engineering, Nanchang Institute of Technology, Nanchang, 330044, People's Republic of China.
| |
Collapse
|
244
|
Su Z, Sun P, Chen Y, Liu J, Li J, Zheng T, Yang S. The influence of alkali-modified biochar on the removal and release of Zn in bioretention systems: Adsorption and immobilization mechanism. Environ Pollut 2022; 310:119874. [PMID: 35931385 DOI: 10.1016/j.envpol.2022.119874] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/29/2022] [Revised: 07/09/2022] [Accepted: 07/27/2022] [Indexed: 06/15/2023]
Abstract
Generally, Zn in stormwater runoff is considered as low toxicity, but in the senarios of roads and zinc-based materials roof runoff, the concentration of Zn becomes extremely high and cannot be ignored. Bioretention systems are used to remove heavy metals from stormwater runoff, while Zn adsorption is insufficient by conventional filler and is prone to secondary release when exposed to acid rain or high salinity runoff. This study integrated batch experiments and density functional theory calculation to investigate the mechanisms of how KOH-modified biochar (KBC) influences the removal and release of Zn in bioretention systems. The results revealed that KBC adsorbed 89.0-97.5% Zn in the influent, the main adsorption mechanism were complexation and precipitation, and precipitation is more important. In addition, 67% of Zn was immoblized as the residual form by KBC. In acidic and saline runoff, KBC reduced Zn secondary release by 43.6% and 37.08% compared to the results in the absence of KBC, which was attributed to the convertion of most dissolved Zn in acidic and saline runoff into residual Zn. Therefore, KBC has a considerable application potential not only to decontaminate the runoff of roads and Zn-containing roofs, but also to deal with secondary Zn release in acid rain or under the treatment of snow-melting agents.
Collapse
Affiliation(s)
- Zenghui Su
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Ping Sun
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Youyuan Chen
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China; Key Laboratory of Marine Environment and Ecology, Ministry of Education of China, Ocean University of China, Qingdao, 266100, China; Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean University of China, Qingdao, 266100, China.
| | - Jiaxin Liu
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Jie Li
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China
| | - Tianyuan Zheng
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China; Key Laboratory of Marine Environment and Ecology, Ministry of Education of China, Ocean University of China, Qingdao, 266100, China; Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean University of China, Qingdao, 266100, China
| | - Shiying Yang
- College of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China; Key Laboratory of Marine Environment and Ecology, Ministry of Education of China, Ocean University of China, Qingdao, 266100, China; Shandong Provincial Key Laboratory of Marine Environment and Geological Engineering, Ocean University of China, Qingdao, 266100, China
| |
Collapse
|
245
|
Jing C, Shu K, Sun Q, Zheng J, Zhang S, Liu X, Yao K, Zhou X, Liu X. Atomic Scale Optimization Strategy of Al-Based Layered Double Hydroxide for Alkali Stability and Supercapacitors. Int J Mol Sci 2022; 23:ijms231911645. [PMID: 36232942 PMCID: PMC9569664 DOI: 10.3390/ijms231911645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 09/26/2022] [Accepted: 09/27/2022] [Indexed: 11/05/2022] Open
Abstract
The pseudocapacitor material is easily decomposed when immersed in alkaline solution for a long time. Hence, it is necessary to find a strategy to improve the alkali stability of pseudocapacitor materials. In addition, the relationship between alkali stability and electrochemical performance is still unclear. In this work, a series of Al-based LDH (Layered double hydroxide) and derived Ni/Co-based sulfides are prepared, and corresponding alkali stability and electrochemical performance are analyzed. The alkali stability of CoAl LDH is so poor and can be improved effectively by doping of Ni. Ni1Co2S4 and Ni2Co1Al LDH exhibit an outstanding alkali stability, and Ni2Co1S4 exhibits an extremely poor alkali stability. The variable valence state of Co element and the solubility of Al in alkali solution are the fundamental reasons for the poor alkali stability of CoAl LDH and Ni2Co1S4. Ni2Co1S4 showed an outstanding electrochemical performance in a three-electrode system, which is better than that of Ni1Co2S4, indicating that there is no direct correlation between alkali stability and electrochemical properties. Sulfidation improved the electrical conductivity and electrochemical activity of electrode materials, whereas alkali etching suppressed the occurrence of the electrochemical reaction. Overall, this work provides a clear perspective to understand the relationship between alkali stability and electrochemical properties.
Collapse
Affiliation(s)
- Chuan Jing
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
- Correspondence:
| | - Kai Shu
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
| | - Qing Sun
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China
| | - Jiayu Zheng
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
| | - Shuijie Zhang
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
| | - Xin Liu
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
| | - Kexin Yao
- School of Chemistry and Chemical Engineering, Chongqing University, Chongqing 400044, China
| | - Xianju Zhou
- College of Science, Chongqing University of Posts and Telecommunications, Chongqing 400065, China
| | - Xiaoying Liu
- Engineering Research Center for Waste Oil Recovery Technology and Equipment of Ministry of Education, College of Environment and Resources, Chongqing Technology and Business University, Chongqing 400067, China
| |
Collapse
|
246
|
Saha R, Mukhopadhyay M. Time-dependent electrochemical characteristics of a phenolic and non-phenolic compound in the presence of laccase/ABTS system. PLoS One 2022; 17:e0275338. [PMID: 36170267 PMCID: PMC9518846 DOI: 10.1371/journal.pone.0275338] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 09/14/2022] [Indexed: 11/18/2022] Open
Abstract
The laccase/ABTS system has found several industrial applications ranging from biodeterioration to biodegradation and bioremediation. However, the capability of the laccase/ABTS system varies depending upon the type of substrate used. Voltammetric studies involving two widely used substrates, i.e., veratryl alcohol (VA) and alkali lignin (AL), were performed to gain new insight into the electrochemical behavior of the reactions. The individual electrochemical reactions established the differential nature of the two compounds over a concentration range, along with the mediator ABTS producing a distinguishing effect on their oxidative reactions, which was further studied over a 12hour period. It was followed by the reaction of both the compounds against the laccase/ABTS system that helped verify the role of the enzyme and the mediator in the electron transfer process and elucidate the mediated oxidations carried out by laccase against the phenolic and non-phenolic substrate through the process of cyclic voltammetry.
Collapse
Affiliation(s)
- Rituparna Saha
- Department of Biotechnology, JIS University, Kolkata, West Bengal, India
- Department of Biochemistry, University of Calcutta, Kolkata, West Bengal, India
| | - Mainak Mukhopadhyay
- Department of Biotechnology, JIS University, Kolkata, West Bengal, India
- * E-mail:
| |
Collapse
|
247
|
Han J, Jiang J, Wang Q, Li P, Zhu B, Gu Q. Current Research on the Extraction, Functional Properties, Interaction with Polyphenols, and Application Evaluation in Delivery Systems of Aquatic-Based Proteins. J Agric Food Chem 2022; 70:11844-11859. [PMID: 36112349 DOI: 10.1021/acs.jafc.2c04325] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Globally, aquatic processing industries pay great attention to the production of aquatic proteins for the fulfillment of the nutritive requirements of human beings. Aquatic protein can replace terrestrial animal protein due to its high protein content, complete amino acids, unique flavor, high quality and nutritional value, and requirements of religious preferences. Due to the superior functional properties, an aquatic protein based delivery system has been proposed as a novel candidate for improving the absorption and bioavailability of bioactive substances, which might have potential applications in the food industry. This review outlines the extraction techniques for and functional properties of aquatic proteins, summarizes the potential modification technologies for interaction with polyphenols, and focuses on the application of aquatic-derived protein in delivery systems as well as their interaction with the gastrointestinal tract (GIT). The extraction techniques for aquatic proteins include water, salt, alkali/acid, enzyme, organic solvent, and ultrasound-assisted extraction. The quality and functionality of the aquatic proteins could be improved after modification with polyphenols via covalent or noncovalent interactions. Furthermore, some aquatic protein based delivery systems, such as emulsions, gels, films, and microcapsules, have been reported to enhance the absorption and bioavailability of bioactive substances by in vitro GIT, cell, and in vivo animal models. By promoting comprehensive understanding, this review is expected to provide a real-time reference for developing functional foods and potential food delivery systems based on aquatic-derived proteins.
Collapse
Affiliation(s)
- Jiarun Han
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, China
| | - Jialan Jiang
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, China
| | - Qi Wang
- Department of Food Science, University of Massachusetts, Amherst, Massachusetts 01003, United States
| | - Ping Li
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, China
| | - Beiwei Zhu
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, China
- School of Food Science and Technology, Dalian Polytechnic University, Dalian, Liaoning 116034, China
| | - Qing Gu
- College of Food Science and Biotechnology, Zhejiang Gongshang University, Hangzhou, Zhejiang 310018, China
| |
Collapse
|
248
|
Bai CL, Xu TT, Guo Y, Li HT. A rapid method for extracting microplastics from oily food samples. Anal Methods 2022; 14:3529-3538. [PMID: 36018227 DOI: 10.1039/d2ay00792d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
The increasing evidence of microplastic (MP) contamination influence on aquatic organisms has been extensively reported globally. However, the discussions of extracting MPs from oily food samples are limited, highlighting the pressing need for effective and standardized analytical methods to extract MPs from oily food. Previous methods, such as using acid, alkali or oxidizing solutions as digestion reagents, usually take a long time to digest oily food, increasing the possibility of procedural contamination of MPs in food over time. The objective of this study was to develop a rapid, efficient, economical and simple analytical method to extract MPs from oily food samples. This innovative protocol combines the use of 4 : 1 HNO3 : H2O2 as a digestion reagent to accelerate the digestion within 1 h at 50 °C and hexane as a washing solution to remove the oil adsorbed on the surface of MPs and membranes. Four common types of MPs, namely, polyethylene terephthalate, polyethylene, polystyrene and polypropylene of different sizes were added to oily flours to demonstrate this method. The mean recovery of MPs was 95% ± 2% (range: 93-98%), and no significant changes in color, particle size, surface area and spectrum features were found for all recovered polymers except for PS with minor changes in color and surface. The method was confirmed to be effective on rice, noodles, bean products and various meat samples. All in all, the present method can facilitate the observation and identification of characteristics of MPs, providing an innovative combination method for quantitative and qualitative analyses of MPs in oily food samples.
Collapse
Affiliation(s)
- Cui-Lan Bai
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China.
| | - Ting-Ting Xu
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China.
| | - Ying Guo
- Guangdong Key Laboratory of Environmental Pollution and Health, School of Environment, Jinan University, Guangzhou, 510632, China.
| | - Huan-Ting Li
- Department of Neurology, The Affiliated Hospital of Qingdao University, Qingdao, 266000, China.
| |
Collapse
|
249
|
Monte CN, Rodrigues APC, Galvão PMA, Pontes GC, Malm O, Wasserman JC, Machado W. Mercury methylation upon coastal sediment resuspension: a worst-case approach under dark conditions. Environ Monit Assess 2022; 194:805. [PMID: 36123414 DOI: 10.1007/s10661-022-10485-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2022] [Accepted: 09/10/2022] [Indexed: 06/15/2023]
Abstract
Mercury behavior upon resuspension of sediments from two impacted areas of Guanabara Bay was evaluated to assess worst-case methylmercury (MeHg) responses, under dark experimental conditions to prevent demethylation by photolysis. Study areas include the Rio de Janeiro Harbor (RJH) and the chlor-alkali plant-affected Meriti River (MR) estuary. Total mercury (THg) and MeHg concentrations were determined along 24-h experiments of sediment resuspension in the bay water in dark conditions. Fine-grained Meriti River (MR) estuary sediments had 8 times higher MeHg initial concentrations than sandy Rio de Janeiro Harbor (RJH) sediments (3.4 ± 0.29 vs. 0.41 ± 0.1 ng g-1, respectively). Though THg contents were uncorrelated with resuspension time, statistically significant correlations of MeHg (rs = 0.78) and %MeHg in relation to THg (rs = 0.86) with resuspension time were observed for RJH sediments, indicating net methylation only for this study site. These positive correlation trends correspond to a 2.8 times MeHg concentration increase (ΔMeHg = 0.75 ng g-1) and 4.4 times increase in %MeHg (Δ%MeHg = 1.0%), after 24 h of resuspension. This suggests that assessments of factors affecting the MeHg spatial-temporal variability and associated toxicity risks can be limited in some sites if concentration changes due to sediment resuspension-redeposition processes are not considered. Therefore, the inclusion of MeHg evaluation before and after sediment resuspension events is recommendable for the improvement of dredging licensing and monitoring activities.
Collapse
Affiliation(s)
- Christiane N Monte
- Geochemistry Program, Universidade Federal Fluminense, Niterói, RJ, Brazil.
- Geology Department, Universidade Federal Do Oeste Do Pará, Santarém, PA, Brazil.
| | - Ana Paula C Rodrigues
- Geochemistry Program, Universidade Federal Fluminense, Niterói, RJ, Brazil
- Marine Biology Department, Universidade Federal Do Rio de Janeiro, Ilha Do Fundão, RJ, Brazil
| | - Petrus M A Galvão
- Biophysics Institute, Universidade Federal Do Rio de Janeiro, Ilha Do Fundão, RJ, Brazil
| | - Gabriela C Pontes
- Geochemistry Program, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | - Olaf Malm
- Biophysics Institute, Universidade Federal Do Rio de Janeiro, Ilha Do Fundão, RJ, Brazil
| | - Júlio C Wasserman
- Geochemistry Program, Universidade Federal Fluminense, Niterói, RJ, Brazil
- Geosciences Institute, Universidade Federal Fluminense, Niterói, RJ, Brazil
| | - Wilson Machado
- Geochemistry Program, Universidade Federal Fluminense, Niterói, RJ, Brazil
| |
Collapse
|
250
|
Huang M, Wang X, Zhu C, Zhu F, Liu P, Wang D, Fang G, Chen N, Gao S, Zhou D. Efficient chlorinated alkanes degradation in soil by combining alkali hydrolysis with thermally activated persulfate. J Hazard Mater 2022; 438:129571. [PMID: 35999732 DOI: 10.1016/j.jhazmat.2022.129571] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 06/07/2022] [Accepted: 07/08/2022] [Indexed: 06/15/2023]
Abstract
Alkali activation is the most commonly used activation method for persulfate (PS) in in-situ remediation. However, the role of alkali in pollutant degradation is still elusive, limiting the optimization of relevant remediation strategies. In this study, we found that chlorinated alkanes (e.g., tetrachloroethane (TeCA)) could be efficiently degraded by thermal-alkali activation of PS. The main role of alkali was not activating PS but hydrolyzing the chlorinated alkanes, which was evidenced by the immediate conversion of TeCA into trichloroethylene (TCE) with NaOH and PS or with sole NaOH solution. Electron paramagnetic resonance analysis also showed that with a high NaOH/PS molar ratio (4:1) the intensity of oxidative radicals decreased, implying that high levels of alkali did not favor the formation of free radicals. Interestingly, better degradation of TeCA and its product TCE was observed by the combination of alkaline hydrolysis and thermal activation of PS (where alkali was added 6 h before PS rather than simultaneously) in comparison to thermal-alkali activation of PS. This study provides new insights into the remediation of chlorinated alkane-contaminated soils by in-situ chemical oxidation.
Collapse
Affiliation(s)
- Mingquan Huang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Xiaolei Wang
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Changyin Zhu
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China.
| | - Fengxiao Zhu
- School of Environment, Nanjing Normal University, Nanjing 210023, PR China
| | - Peng Liu
- Beijing Construction Engineering Group Environmental Remediation Co. Ltd., Beijing 100015, PR China
| | - Dixiang Wang
- Beijing Construction Engineering Group Environmental Remediation Co. Ltd., Beijing 100015, PR China
| | - Guodong Fang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, PR China
| | - Ning Chen
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Shixiang Gao
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China
| | - Dongmei Zhou
- State Key Laboratory of Pollution Control and Resource Reuse, School of the Environment, Nanjing University, Nanjing 210023, PR China.
| |
Collapse
|