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Yu D, Zeng S, Wu Y, Niu J, Tian H, Yao Z, Wang X. Removal of tetracycline in the water by a kind of S/N co-doped tea residue biochar. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 365:121601. [PMID: 38959771 DOI: 10.1016/j.jenvman.2024.121601] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Revised: 06/02/2024] [Accepted: 06/23/2024] [Indexed: 07/05/2024]
Abstract
Tetracycline (TC) is widely present in the environment, and adsorption technology is a potential remediation method. S/N co-doped tea residue biochar (SNBC) was successfully prepared by hydrothermal carbonization method using tea residue as raw material. S was doped by Na2S2O3·5H2O, and N was doped by N in tea residue. The adsorption efficiency of SNBC could reach 94.16% when the concentration of TC was 100 mg L-1. The adsorption effect of SNBC on TC was 9.38 times more than that of unmodified biochar. Tea biochar had good adsorption effect at pH 4-9. The maximum adsorption capacity of 271 mg g-1 was calculated by the Langmuir isotherm model. The adsorption mechanism involved many mechanisms such as pore filling, π-π interaction and hydrogen bonding. The adsorbent prepared in this study could be used as an effective adsorbent in the treatment of TC wastewater.
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Affiliation(s)
- Dayang Yu
- School of Ecology and Environment, Beijing Technology and Business University, Beijing, 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing, 100048, China
| | - Siqi Zeng
- School of Ecology and Environment, Beijing Technology and Business University, Beijing, 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing, 100048, China
| | - Yifan Wu
- Beijing Boqi Electric Power Science and Technology Co., Ltd, Beijing, 100123, China
| | - Jinjia Niu
- School of Ecology and Environment, Beijing Technology and Business University, Beijing, 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing, 100048, China
| | - Hailong Tian
- National and Local Joint Engineering Research Center for Ecological Treatment Technology of Urban Water Pollution, College of Life and Environmental Science, Wenzhou University, Wenzhou, 325035, China
| | - Zhiliang Yao
- School of Ecology and Environment, Beijing Technology and Business University, Beijing, 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing, 100048, China.
| | - Xiaowei Wang
- School of Ecology and Environment, Beijing Technology and Business University, Beijing, 100048, China; State Environmental Protection Key Laboratory of Food Chain Pollution Control, Beijing Technology and Business University, Beijing, 100048, China.
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Sun Q, Yang H, Zhao T. Multistage stabilization of Cd, Pb, Zn, Cu and As in contaminated soil by phosphorus-coated nZVI layered composite materials: characteristics, process and mechanism. JOURNAL OF HAZARDOUS MATERIALS 2024; 476:134991. [PMID: 38909473 DOI: 10.1016/j.jhazmat.2024.134991] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/11/2024] [Revised: 06/17/2024] [Accepted: 06/19/2024] [Indexed: 06/25/2024]
Abstract
This study developed a shell-like slow-release material, PF@ST/Fe-0.5, by encapsulating nanoscale zero-valent iron composites (NZC) with phosphate fertilizer (PF) and a starch binder (ST). The material dissolved in soil in stages, first releasing P and Ca to increase the soil pH from 4.95 to 7.14. This was followed by the formation of phosphates and hydroxides precipitates with Pb, Cu, Zn, and Cd in soil, reducing their bioavailable forms by 81.73 %, 79.58 %, 91.05 %, and 86.47 %, respectively. The process also involved the competitive adsorption between PO43-/HPO42- and arsenate/arsenite led to the release of specifically adsorbed arsenic, increasing the probability of reaction with the material. Afterwards, the exposure of the NZC core reacted with arsenate/arsenite to form ferric arsenates, thus reducing the content of bioavailable arsenic in the soil by 73.57 %. Excess PO43- and alkali metal cations were captured and mineralized by the iron (hydro) oxides and reactive silicates in NZC, enhancing the remediation effect. Furthermore, the wet-dry alternation test had demonstrated the adaptability of PF@ST/Fe-0.5 to the rainy dry-wet soil environment in Yunnan, which enabled the bioavailable content of As, Pb, Cu, Zn, and Cd decreased by 71.2 %, 94.8 %, 84.1 %, 79.8 %, and 83.9 %, respectively. The layered structure minimized internal reactive substance consumption and protected the internal nZVI from oxidation. The phased release of phosphate and Fe0 stabilized Pb, Cu, Zn, and Cd, enhancing As stabilization and providing a new perspective for the synchronous stabilization of soil contaminated.
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Affiliation(s)
- Qiwei Sun
- School of Civil and Resource Engineering, University of Science & Technology Beijing, Beijing 100083, China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, Beijing 100083, China; Key Laboratory of the Ministry of Education of China for High-efficient Mining and Safety of Metal Mines, University of Science and Technology Beijing, Beijing 100083, China
| | - Huifen Yang
- School of Civil and Resource Engineering, University of Science & Technology Beijing, Beijing 100083, China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, Beijing 100083, China.
| | - Tong Zhao
- School of Civil and Resource Engineering, University of Science & Technology Beijing, Beijing 100083, China; Beijing Key Laboratory of Resource-oriented Treatment of Industrial Pollutants, University of Science and Technology Beijing, Beijing 100083, China; Key Laboratory of the Ministry of Education of China for High-efficient Mining and Safety of Metal Mines, University of Science and Technology Beijing, Beijing 100083, China
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3
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Liang L, He J, Zhou Q, He L, Tian K, Yang J, He J, Luo Q. Enhanced adsorption of phosphate by rice straw-based biochar prepared via metal impregnation and bio-template technology. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:39177-39193. [PMID: 38814556 DOI: 10.1007/s11356-024-33795-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2024] [Accepted: 05/20/2024] [Indexed: 05/31/2024]
Abstract
Phosphate removal from water through green, highly efficient technologies has received much attention. Biochar is an effective adsorbent for phosphate removal. However, adsorption capacity of phosphate on pristine rice straw-based biochar was not optimistic due to low anion exchange capacity. In this study, Fe-modified, Mg-modified and MgFe-modified rice straw-based biochar (Fe-BC, Mg-BC and MgFe-BC) were prepared by combining metal impregnation and biological template methods to improve the adsorption capacity of phosphate. The surface characteristics of biochar and the adsorption behavior of phosphate on biochar were investigated. The modified biochar had the specific surface area of 17.910-39.336 m2/g, and their surfaces were rich in a large number of functional groups and metal oxides. Phosphate release was observed on pristine rice straw-based biochar without metal impregnation. The maximum adsorption capacities of phosphate on MgFe-BC, Mg-BC and Fe-BC at 298 K were 6.93, 5.75 and 0.23 mg/g, respectively. Adsorption was a spontaneous endothermic process, while chemical adsorption dominated and electrostatic attraction and pores filling existed simultaneously. Based on the site energy distribution theory study, the standard deviation of MgFe-BC decreased from 6.96 to 4.64 kJ/mol with temperature increasing, which proved that the higher the temperature would cause the lower heterogeneity. Moreover, the effects of pH, humic acid, co-existing ions and ionic strength on phosphate adsorption of MgFe-BC were also discussed. MgFe-BC with fine pores and efficient adsorption sites is an ideal adsorbent for phosphate removal from water.
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Affiliation(s)
- Li Liang
- Low-Cost Wastewater Treatment Technology International Sci-Tech Cooperation Base of Sichuan Province, School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, People's Republic of China
| | - Jing He
- Low-Cost Wastewater Treatment Technology International Sci-Tech Cooperation Base of Sichuan Province, School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, People's Republic of China.
| | - Qiuhong Zhou
- Changjiang Engineering Group, Wuhan, 430010, People's Republic of China
| | - Liangyan He
- Low-Cost Wastewater Treatment Technology International Sci-Tech Cooperation Base of Sichuan Province, School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, People's Republic of China
| | - Kening Tian
- Low-Cost Wastewater Treatment Technology International Sci-Tech Cooperation Base of Sichuan Province, School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, People's Republic of China
| | - Jing Yang
- Low-Cost Wastewater Treatment Technology International Sci-Tech Cooperation Base of Sichuan Province, School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, People's Republic of China
| | - Junwei He
- Low-Cost Wastewater Treatment Technology International Sci-Tech Cooperation Base of Sichuan Province, School of Environment and Resource, Southwest University of Science and Technology, Mianyang, 621010, People's Republic of China
| | - Qiao Luo
- Bureau of Ecology and Environment of Zizhong, Neijiang, 641215, People's Republic of China
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Hou D, Cui X, Liu M, Qie H, Tang Y, Xu R, Zhao P, Leng W, Luo N, Luo H, Lin A, Wei W, Yang W, Zheng T. The effects of iron-based nanomaterials (Fe NMs) on plants under stressful environments: Machine learning-assisted meta-analysis. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2024; 354:120406. [PMID: 38373376 DOI: 10.1016/j.jenvman.2024.120406] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 01/28/2024] [Accepted: 02/14/2024] [Indexed: 02/21/2024]
Abstract
Mitigating the adverse effects of stressful environments on crops and promoting plant recovery in contaminated sites are critical to agricultural development and environmental remediation. Iron-based nanomaterials (Fe NMs) can be used as environmentally friendly nano-fertilizer and as a means of ecological remediation. A meta-analysis was conducted on 58 independent studies from around the world to evaluate the effects of Fe NMs on plant development and antioxidant defense systems in stressful environments. The application of Fe NMs significantly enhanced plant biomass (mean = 25%, CI = 20%-30%), while promoting antioxidant enzyme activity (mean = 14%, CI = 10%-18%) and increasing antioxidant metabolite content (mean = 10%, CI = 6%-14%), reducing plant oxidative stress (mean = -15%, CI = -20%∼-10%), and alleviating the toxic effects of stressful environments. The observed response was dependent on a number of factors, which were ranked in terms of a Random Forest Importance Analysis. Plant species was the most significant factor, followed by Fe NM particle size, duration of application, dose level, and Fe NM type. The meta-analysis has demonstrated the potential of Fe NMs in achieving sustainable agriculture and the future development of phytoremediation.
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Affiliation(s)
- Daibing Hou
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Xuedan Cui
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Meng Liu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Hantong Qie
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Yiming Tang
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Ruiqing Xu
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Pengjie Zhao
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Wenpeng Leng
- Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100095, PR China
| | - Nan Luo
- Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100095, PR China
| | - Huilong Luo
- Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100095, PR China
| | - Aijun Lin
- College of Chemical Engineering, Beijing University of Chemical Technology, Beijing, 100029, PR China
| | - Wenxia Wei
- Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100095, PR China.
| | - Wenjie Yang
- Chinese Academy of Environmental Planning, Beijing, 100012, PR China.
| | - Tianwen Zheng
- Institute of Resources and Environment, Beijing Academy of Science and Technology, Beijing, 100095, PR China.
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5
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An W, Wang Q, Chen H, Di J, Hu X. Recovery of ammonia nitrogen and phosphate from livestock farm wastewater by iron-magnesium oxide coupled lignite and its potential for resource utilization. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2024; 31:8930-8951. [PMID: 38183541 DOI: 10.1007/s11356-023-31697-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2023] [Accepted: 12/20/2023] [Indexed: 01/08/2024]
Abstract
A new adsorbent called iron-magnesium oxide coupled lignite (CIMBC) was developed to address the challenges of recovering high concentrations of ammonia nitrogen and phosphate in livestock farm wastewater and improving the inefficient use of lignite (BC) with low calorific value. CIMBC was synthesized using the modified ferromagnesium salt double-coating method. The experiments demonstrated that Fe2O3 and MgO could be effectively loaded onto the surface of BC at a Fe/Mg molar ratio of 1:2 and pyrolysis temperature of 500 °C. The optimal conditions for adsorption were determined to be an N/P concentration ratio of 2:1, adsorbent dosage of 1 g/L, and pH of 7. The presence of coexisting cations (Ca2+ and Mg2+) inhibited the removal of ammonia nitrogen but enhanced the removal of phosphate. Likewise, the presence of coexisting anions (CO32- and SO42-) hindered the removal of both ammonia nitrogen and phosphate. The adsorption behavior followed the pseudo-second-order model and the Langmuir model, with a maximum adsorption capacity of 95.69 mg N/g for ammonia nitrogen and 101.32 mg P/g for phosphate. The adsorption process was a spontaneous endothermic process controlled by multiple levels. The main mechanisms of adsorption involved electrostatic attraction, intra-particle diffusion, ion exchange, chemical precipitation, and coordination exchange. After 5 times of adsorption-desorption, the recovery rate of CIMBC is less than 50%, and the removal rate of phosphate is less than 40%. Although the RCIMBC exhibited low reusability, but also it showed potential in removing heavy metals (Pb) from wastewater and for use as a slow-release fertilizer. CIMBC is a promising new adsorbent, which can realize resource utilization of lignite with low calorific value while removing nitrogen and phosphorus.
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Affiliation(s)
- Wenbo An
- School of Civil Engineering, Liaoning Technical University, 88 Yulong Road, Xihe District, Fuxin, 123000, Liaoning Province, China.
- School of Mining Engineering, China University of Mining and Technology, Xuzhou, 221000, China.
| | - Qiqi Wang
- School of Civil Engineering, Liaoning Technical University, 88 Yulong Road, Xihe District, Fuxin, 123000, Liaoning Province, China
| | - He Chen
- School of Mechanics and Engineering, Liaoning Technical University, Fuxin, 123000, China
| | - Junzhen Di
- School of Civil Engineering, Liaoning Technical University, 88 Yulong Road, Xihe District, Fuxin, 123000, Liaoning Province, China
| | - Xuechun Hu
- School of Civil Engineering, Liaoning Technical University, 88 Yulong Road, Xihe District, Fuxin, 123000, Liaoning Province, China
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6
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Feng J, Techapun C, Phimolsiripol Y, Phongthai S, Khemacheewakul J, Taesuwan S, Mahakuntha C, Porninta K, Htike SL, Kumar A, Nunta R, Sommanee S, Leksawasdi N. Utilization of agricultural wastes for co-production of xylitol, ethanol, and phenylacetylcarbinol: A review. BIORESOURCE TECHNOLOGY 2024; 392:129926. [PMID: 37925084 DOI: 10.1016/j.biortech.2023.129926] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 10/10/2023] [Accepted: 10/26/2023] [Indexed: 11/06/2023]
Abstract
Corn, rice, wheat, and sugar are major sources of food calories consumption thus the massive agricultural waste (AW) is generated through agricultural and agro-industrial processing of these raw materials. Biological conversion is one of the most sustainable AW management technologies. The abundant supply and special structural composition of cellulose, hemicellulose, and lignin could provide great potential for waste biological conversion. Conversion of hemicellulose to xylitol, cellulose to ethanol, and utilization of remnant whole cells biomass to synthesize phenylacetylcarbinol (PAC) are strategies that are both eco-friendly and economically feasible. This co-production strategy includes essential steps: saccharification, detoxification, cultivation, and biotransformation. In this review, the implemented technologies on each unit step are described, the effectiveness, economic feasibility, technical procedures, and environmental impact are summarized, compared, and evaluated from an industrial scale viewpoint.
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Affiliation(s)
- Juan Feng
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand.
| | - Charin Techapun
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand.
| | - Yuthana Phimolsiripol
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand.
| | - Suphat Phongthai
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand.
| | - Julaluk Khemacheewakul
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand.
| | - Siraphat Taesuwan
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand
| | - Chatchadaporn Mahakuntha
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand
| | - Krisadaporn Porninta
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand
| | - Su Lwin Htike
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand.
| | - Anbarasu Kumar
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Department of Biotechnology, Periyar Maniammai Institute of Science & Technology, Thanjavur 613403, India.
| | - Rojarej Nunta
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Division of Food Innovation and Business, Faculty of Agricultural Technology, Lampang Rajabhat University, Lampang 52100, Thailand
| | - Sumeth Sommanee
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand
| | - Noppol Leksawasdi
- Center of Excellence in Agro Bio-Circular-Green Industry (Agro BCG), Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand; Faculty of Agro-Industry, Chiang Mai University, Chiang Mai 50100, Thailand.
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Zhang L, Yang L, Chen J, Zhang Y, Zhou X. Enhancing efficient reclaim of phosphorus from simulated urine by magnesium-functionalized biochar: Adsorption behaviors, molecular-level mechanistic explanations and its potential application. THE SCIENCE OF THE TOTAL ENVIRONMENT 2024; 906:167293. [PMID: 37742963 DOI: 10.1016/j.scitotenv.2023.167293] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 09/04/2023] [Accepted: 09/21/2023] [Indexed: 09/26/2023]
Abstract
Magnesium-functionalized Magnolia grandiflora Linn leaf-derived biochar (MBC) capable of efficiently reclaiming phosphorus from urine was synthesized by slow co-pyrolysis. Four adsorption kinetic and seven adsorption isotherm models were fitted to the batch adsorption and desorption experimental data, and it was found that pseudo-first-order kinetic model and multilayer model with saturation best described the phosphate-phosphorus (PO43--P) adsorption process by MBC. MBC and phosphorus-saturated MBC (P-MBC) were found to offer outstanding phosphorus adsorption and slow release properties, respectively. Based on material characterization, statistical physics, adsorption energy distribution and statistical thermodynamics, a multi-ionic, inclined orientation, entropy-driven spontaneous endothermic process of MBC on PO43--P was proposed, involving physicochemical interactions (porous filling, electrostatic attraction, ligand exchange and surface precipitation). Further, seed germination and early seedling growth experiments proved that P-MBC can be used as a slow-release fertilizer. Overall, MBC offers prospective applications as an efficient phosphorus adsorbent and then as a slow-release fertilizer.
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Affiliation(s)
- Lei Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Key Laboratory of Yangtze Water Environment, Ministry of Education, Tongji University, Shanghai 200092, PR China
| | - Libin Yang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Key Laboratory of Yangtze Water Environment, Ministry of Education, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, Shanghai 200092, PR China.
| | - Jiabin Chen
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Key Laboratory of Yangtze Water Environment, Ministry of Education, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, Shanghai 200092, PR China
| | - Yalei Zhang
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Key Laboratory of Yangtze Water Environment, Ministry of Education, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, Shanghai 200092, PR China
| | - Xuefei Zhou
- State Key Laboratory of Pollution Control and Resource Reuse, College of Environmental Science and Engineering, Tongji University, Shanghai 200092, PR China; Key Laboratory of Yangtze Water Environment, Ministry of Education, Tongji University, Shanghai 200092, PR China; Shanghai Institute of Pollution Control and Ecological Security, Tongji University, Shanghai 200092, PR China; Key Laboratory of Rural Toilet and Sewage Treatment Technology, Ministry of Agriculture and Rural Affairs, Shanghai 200092, PR China.
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8
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Zhang J, Yang X, Wang S, Li T, Li W, Wang B, Yang R, Wang X, Rinklebe J. Immobilization of zinc and cadmium by biochar-based sulfidated nanoscale zero-valent iron in a co-contaminated soil: Performance, mechanism, and microbial response. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 902:165968. [PMID: 37543321 DOI: 10.1016/j.scitotenv.2023.165968] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2023] [Revised: 07/13/2023] [Accepted: 07/30/2023] [Indexed: 08/07/2023]
Abstract
Mining and smelting of mineral resources causes excessive accumulation of potentially toxic metals (PTMs) in surrounding soils. Here, biochar-based sulfidated nanoscale zero-valent iron (SNZVI/BC) was designed via a one-step liquid phase reduction method to immobilize cadmium (Cd) and zinc (Zn) in a copolluted arable soil. A 60 d soil incubation experiment revealed that Cd and Zn immobilization efficiency by 6 % SNZVI/BC (25.2-26.2 %) was higher than those by individual SNZVI (13.9-18.0 %) or biochar (14.0-19.3 %) based on the changes in diethylene triamine pentaacetic acid (DTPA)-extractable PTM concentrations in soils, exhibiting a synergistic effect. Cd2+ or Zn2+ replaced isomorphously Fe2+ in amorphous ferrous sulfide, as revealed by XRD, XPS, and high-resolution TEM-EDS, forming metal sulfide precipitates and thus immobilizing PTMs. PTM immobilization was further enhanced by adsorption by biochar and oxidation products (Fe2O3 and Fe3O4) of SNZVI via precipitation and surface complexation. SNZVI/BC also increased the concentration of dissolved organic carbon and soil pH, thus stimulating the abundances of beneficial bacteria, i.e., Bacilli, Clostridia, and Desulfuromonadia. These functional bacteria further facilitated microbial Fe(III) reduction, production of ammonium and available potassium, and immobilization of PTMs in soils. The predicted function of the soil microbial community was improved after supplementation with SNZVI/BC. Overall, SNZVI/BC could be a promising functional material that not only immobilized PTMs but also enhanced available nutrients in cocontaminated soils.
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Affiliation(s)
- Jian Zhang
- Key Laboratory of Karst Georesources and Environment, Ministry of Education, Guizhou University, Guiyang, 550025, China; College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Xianni Yang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Shengsen Wang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, China; Key Laboratory of Arable Land Quality Monitoring and Evaluation, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225127, China.
| | - Taige Li
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Wenjing Li
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China
| | - Bing Wang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang, Guizhou 550025, China
| | - Ruidong Yang
- College of Resources and Environmental Engineering, Guizhou University, Guiyang, Guizhou 550025, China
| | - Xiaozhi Wang
- College of Environmental Science and Engineering, Yangzhou University, Yangzhou 225127, China; Jiangsu Collaborative Innovation Center for Solid Organic Waste Resource Utilization, China; Key Laboratory of Arable Land Quality Monitoring and Evaluation, Ministry of Agriculture and Rural Affairs, Yangzhou University, Yangzhou 225127, China
| | - Jörg Rinklebe
- University of Wuppertal, School of Architecture and Civil Engineering, Institute of Foundation Engineering, Water and Waste Management, Laboratory of Soil and Groundwater Management, Pauluskirchstraße 7, 42285 Wuppertal, Germany.
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Ahmad M, Rafique MI, Akanji MA, Al-Swadi HA, Usama M, Mousa MA, Al-Wabel MI, Al-Farraj ASF. Microplastic-Assisted Removal of Phosphorus and Ammonium Using Date Palm Waste Derived Biochar. TOXICS 2023; 11:881. [PMID: 37999533 PMCID: PMC10675137 DOI: 10.3390/toxics11110881] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 10/25/2023] [Accepted: 10/25/2023] [Indexed: 11/25/2023]
Abstract
Microplastics (MPs) are emerging environmental pollutants worldwide, posing potential health risks. Moreover, MPs may act as vectors for other contaminants and affect their fate, transport, and deposition in the environment. Therefore, efficient and economical techniques are needed for the removal of contemporary MPs and contaminants from the environment. The present research study investigated the sorption of phosphorus (P) and ammonium (NH4+) onto date palm waste-derived biochar (BC) from an aqueous solution in the presence of polyamide (PA) and polyethylene (PE) MPs. The BC was prepared at 600 °C, characterized for physio-chemical properties, and applied for P and NH4+ removal via isotherm and kinetic sorption trials. The results of the sorption trials demonstrated the highest removal of NH4+ and P was obtained at neutral pH 7. The highest P sorption (93.23 mg g-1) by BC was recorded in the presence of PA, while the highest NH4+ sorption (103.76 mg g-1) was found with co-occurring PE in an aqueous solution. Sorption isotherm and kinetics models revealed that P and NH4+ removal by MP-amended BC followed chemisorption, electrostatic interaction, precipitation, diffusion, and ion exchange mechanisms. Overall, co-existing PA enhanced the removal of P and NH4+ by 66% and 7.7%, respectively, while co-existing PE increased the removal of P and NH4+ by 55% and 30%, respectively, through the tested BC. Our findings suggested that converting date palm waste into BC could be used as a competent and economical approach to removing P and NH4+ from contaminated water. Furthermore, microplastics such as PE and PA could assist in the removal of P and NH4+ from contaminated water using BC.
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Affiliation(s)
- Munir Ahmad
- Soil Sciences Department, College of Food & Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh 11451, Saudi Arabia; (M.I.R.); (M.A.A.); (H.A.A.-S.); (M.U.); (M.A.M.); (M.I.A.-W.); (A.S.F.A.-F.)
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10
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Wang H, Chen D, Wen Y, Zhang Y, Liu Y, Xu R. Iron-rich red mud and iron oxide-modified biochars: A comparative study on the removal of Cd(II) and influence of natural aging processes. CHEMOSPHERE 2023; 330:138626. [PMID: 37028717 DOI: 10.1016/j.chemosphere.2023.138626] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/18/2022] [Revised: 03/19/2023] [Accepted: 04/04/2023] [Indexed: 05/14/2023]
Abstract
Red mud (RM) is a byproduct of various processes in the aluminum industry and has recently been utilized for synthesizing RM-modified biochar (RM/BC), which has attracted significant attention in terms of waste reutilization and cleaner production. However, there is a lack of comprehensive and comparative studies on RM/BC and the conventional iron-salt-modified biochar (Fe/BC). In this study, RM/BC and Fe/BC were synthesized and characterized, and the influence on environmental behaviors of these functional materials with natural soil aging treatment was analyzed. After aging, the adsorption capacity of Fe/BC and RM/BC for Cd(II) decreased by 20.76% and 18.03%, respectively. The batch adsorption experiments revealed that the main removal mechanisms of Fe/BC and RM/BC are co-precipitation, chemical reduction, surface complexation, ion exchange, and electrostatic attraction, etc. Furthermore, practical viability of RM/BC and Fe/BC was evaluated through leaching and regenerative experiments. These results can not only be used to evaluate the practicality of the BC fabricated from industrial byproducts but can also reveal the environmental behavior of these functional materials in practical applications.
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Affiliation(s)
- Huabin Wang
- School of Energy and Environment Science, Yunnan Normal University, Kunming, 650500, PR China; Yunnan Key Laboratory of Rural Energy Engineering, Kunming, 650500, PR China; Yunnan Provincial Observation and Research Station of Soil Degradation and Restoration for Cultivating Plateau Traditional Chinese Medicinal Plants, Kunming, 650500, PR China.
| | - Dingxiang Chen
- School of Energy and Environment Science, Yunnan Normal University, Kunming, 650500, PR China; Yunnan Key Laboratory of Rural Energy Engineering, Kunming, 650500, PR China; Yunnan Provincial Observation and Research Station of Soil Degradation and Restoration for Cultivating Plateau Traditional Chinese Medicinal Plants, Kunming, 650500, PR China
| | - Yi Wen
- School of Energy and Environment Science, Yunnan Normal University, Kunming, 650500, PR China; Yunnan Key Laboratory of Rural Energy Engineering, Kunming, 650500, PR China; Yunnan Provincial Observation and Research Station of Soil Degradation and Restoration for Cultivating Plateau Traditional Chinese Medicinal Plants, Kunming, 650500, PR China
| | - Yong Zhang
- School of Energy and Environment Science, Yunnan Normal University, Kunming, 650500, PR China; Yunnan Key Laboratory of Rural Energy Engineering, Kunming, 650500, PR China; Yunnan Provincial Observation and Research Station of Soil Degradation and Restoration for Cultivating Plateau Traditional Chinese Medicinal Plants, Kunming, 650500, PR China
| | - Ying Liu
- School of Energy and Environment Science, Yunnan Normal University, Kunming, 650500, PR China; Yunnan Key Laboratory of Rural Energy Engineering, Kunming, 650500, PR China; Yunnan Provincial Observation and Research Station of Soil Degradation and Restoration for Cultivating Plateau Traditional Chinese Medicinal Plants, Kunming, 650500, PR China
| | - Rui Xu
- School of Energy and Environment Science, Yunnan Normal University, Kunming, 650500, PR China; Yunnan Key Laboratory of Rural Energy Engineering, Kunming, 650500, PR China; Yunnan Provincial Observation and Research Station of Soil Degradation and Restoration for Cultivating Plateau Traditional Chinese Medicinal Plants, Kunming, 650500, PR China.
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11
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Guo Z, Wang D, Yan Z, Qian L, Yang L, Yan J, Chen M. Efficient Remediation of p-chloroaniline Contaminated Soil by Activated Persulfate Using Ball Milling Nanosized Zero Valent Iron/Biochar Composite: Performance and Mechanisms. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13091517. [PMID: 37177062 PMCID: PMC10180579 DOI: 10.3390/nano13091517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 04/21/2023] [Accepted: 04/24/2023] [Indexed: 05/15/2023]
Abstract
In this study, efficient remediation of p-chloroaniline (PCA)-contaminated soil by activated persulfate (PS) using nanosized zero-valent iron/biochar (B-nZVI/BC) through the ball milling method was conducted. Under the conditions of 4.8 g kg-1 B-nZVI/BC and 42.0 mmol L-1 PS with pH 7.49, the concentration of PCA in soil was dramatically decreased from 3.64 mg kg-1 to 1.33 mg kg-1, which was much lower than the remediation target value of 1.96 mg kg-1. Further increasing B-nZVI/BC dosage and PS concentration to 14.4 g kg-1 and 126.0 mmol L-1, the concentration of PCA was as low as 0.15 mg kg-1, corresponding to a degradation efficiency of 95.9%. Electron paramagnetic resonance (EPR) signals indicated SO4•-, •OH, and O2•- radicals were generated and accounted for PCA degradation with the effect of low-valence iron and through the electron transfer process of the sp2 hybridized carbon structure of biochar. 1-chlorobutane and glycine were formed and subsequently decomposed into butanol, butyric acid, ethylene glycol, and glycolic acid, and the degradation pathway of PCA in the B-nZVI/BC-PS system was proposed accordingly. The findings provide a significant implication for cost-effective and environmentally friendly remediation of PCA-contaminated soil using a facile ball milling preparation of B-nZVI/BC and PS.
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Affiliation(s)
- Zihan Guo
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Dong Wang
- Jiangsu Environmental Engineering Technology Co., Ltd., Nanjing 210019, China
| | - Zichen Yan
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Linbo Qian
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Lei Yang
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jingchun Yan
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Mengfang Chen
- Key Laboratory of Soil Environment and Pollution Remediation, Institute of Soil Science, Chinese Academy of Sciences, Nanjing 210008, China
- University of Chinese Academy of Sciences, Beijing 100049, China
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12
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Ai D, Tang Y, Yang R, Meng Y, Wei T, Wang B. Hexavalent chromium (Cr(VI)) removal by ball-milled iron-sulfur @biochar based on P-recovery: Enhancement effect and synergy mechanism. BIORESOURCE TECHNOLOGY 2023; 371:128598. [PMID: 36634877 DOI: 10.1016/j.biortech.2023.128598] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Revised: 01/04/2023] [Accepted: 01/07/2023] [Indexed: 06/17/2023]
Abstract
After the biochar recovery of phosphorus (P), its role in eliminating Cr(VI) is uncertain. In this study, the iron-sulfur biochar (Fe/S@BC) was made by grinding Fe0, S0, and biochar with a ball mill. P-loaded iron-sulfur biochar (P-Fe/S@BC) was produced after recovering P from simulated wastewater and then used to remove Cr(VI) contamination in waterbodies. P-Fe/S@BC got a rich pore structure and more reactive sites through P-recovery. The experiments revealed that P-Fe/S@BC had an enhancement effect on Cr(VI) pollution with removal efficiencies of 76.9 % ∼ 99.4 %, all greater than Fe/S@BC (58.2 %). In particular, 25P-Fe/S@BC (with 6.55 mg P/g) had the most significant advantage. The combination of physical adsorption, electrostatic attraction, and precipitation contributed to Cr(VI) removal. This is an efficient strategy for reusing Fe/S@BC followed by P-recovery, intending to improve the Cr(VI) removal effect and achieve the sustainable use of P resources and wastes.
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Affiliation(s)
- Dan Ai
- School of Environmental & Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China
| | - Yani Tang
- School of Environmental & Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China
| | - Ruiming Yang
- School of Environmental & Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China
| | - Yang Meng
- School of Environmental & Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China
| | - Taiqing Wei
- School of Environmental & Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China
| | - Bo Wang
- School of Environmental & Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China.
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13
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Ai D, Ma H, Meng Y, Wei T, Wang B. Phosphorus recovery and reuse in water bodies with simple ball-milled Ca-loaded biochar. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 860:160502. [PMID: 36436628 DOI: 10.1016/j.scitotenv.2022.160502] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 11/12/2022] [Accepted: 11/21/2022] [Indexed: 06/16/2023]
Abstract
The demand to control eutrophication in water bodies and the risk of phosphorus scarcity have prompted the search for treatment technologies for phosphorus recovery. In this study, ball-milled Ca-loaded biochar (BMCa@BC) composites were prepared with CaO and corn stover biochar as raw materials by a new ball-milling method to recover phosphorus from water bodies. Experimental results demonstrated that BMCa@BC could efficiently adsorb phosphorus in water bodies with an excellent sorption capacity of 329 mg P/g. Hydrogen bonding, electrostatic attraction, complexation, and surface precipitation were involved in adsorption process. In addition, phosphorus recovered by BMCa@BC had high bioavailability (86.7 % of TP) and low loss (3.3 % of TP) and was a potential slow-release fertilizer. P-laden BMCa@BC significantly enhanced seed germination and growth in planting experiments, proving that it could be used as a substitute for P-based fertilizer. After five cycles of regeneration, BMCa@BC still showed good adsorption recovery and the P-enriched desorption solution could be recovered as Ca-P products with the fertilizer value. Overall, BMCa@BC has good cost-effectiveness and practical applicability in phosphorus recovery. This provides a new way to recover and reuse phosphorus effectively.
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Affiliation(s)
- Dan Ai
- School of Environmental and Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China
| | - Huiqiang Ma
- School of Environmental and Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China
| | - Yang Meng
- School of Environmental and Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China
| | - Taiqing Wei
- School of Environmental and Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China
| | - Bo Wang
- School of Environmental and Safety Engineering, Liaoning Petrochemical University, Fushun 113001, China.
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14
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Tian H, Huang C, Wang P, Wei J, Li X, Zhang R, Ling D, Feng C, Liu H, Wang M, Liu Z. Enhanced elimination of Cr(VI) from aqueous media by polyethyleneimine modified corn straw biochar supported sulfide nanoscale zero valent iron: Performance and mechanism. BIORESOURCE TECHNOLOGY 2023; 369:128452. [PMID: 36503100 DOI: 10.1016/j.biortech.2022.128452] [Citation(s) in RCA: 16] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/23/2022] [Revised: 12/01/2022] [Accepted: 12/03/2022] [Indexed: 06/17/2023]
Abstract
A novel polyethyleneimine modified corn straw biochar supported sulfide nanoscale zero-valent iron (S-nZVI@PBC) was developed to enhance Cr(VI) removal from aqueous media. The characteristics of morphology, chemical composition, and functional groups of S-nZVI@PBC, as well as its kinetics and mechanism for Cr(VI) removal were explored. Characterization verified S-nZVI was successfully loaded onto PEI modified biochar. The adsorption process was well represented pseudo-second-order model (R2 = 0.990) and Langmuir isotherm model (R2 = 0.962), indicating it was a monolayer chemical adsorption process. The Cr(VI) removal was affected by pH and achieved the maximum when pH = 3.0, which may be ascribed to the better corrosion of nZVI and release of Fe(II) from the S-nZVI@PBC in acidic condition. The primary mechanisms were adsorption, reduction, and co-precipitation. S-nZVI@PBC exhibited higher stability and reusability than nZVI, which makes it more promising in environmental application. Overall, S-nZVI@PBC is of great potential for treating Cr(VI)-containing wastewater.
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Affiliation(s)
- Haoran Tian
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Chao Huang
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China.
| | - Ping Wang
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Jie Wei
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Xinyan Li
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Ruimei Zhang
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Dingxun Ling
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Chongling Feng
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Hao Liu
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Mengxin Wang
- College of Environmental Science and Engineering, Central South University of Forestry and Technology, Changsha 410004, China
| | - Zhiming Liu
- Department of Biology, Eastern New Mexico University, Portales, NM 88130, USA
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Suazo-Hernández J, Sepúlveda P, Cáceres-Jensen L, Castro-Rojas J, Poblete-Grant P, Bolan N, Mora MDLL. nZVI-Based Nanomaterials Used for Phosphate Removal from Aquatic Systems. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:399. [PMID: 36770360 PMCID: PMC9919806 DOI: 10.3390/nano13030399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 12/30/2022] [Accepted: 01/06/2023] [Indexed: 06/18/2023]
Abstract
In the last decade, the application of nanoscale zero-valent iron (nZVI) has garnered great attention as an adsorbent due to its low cost, non-toxicity, high porosity, and BET-specific surface area. In particular, the immobilization of nZVI particles onto inorganic and organic substrates (nanocomposites) decreased its agglomeration, allowing them to be effective and achieve greater adsorption of pollutants than pristine nanoparticles (NPs). Although nZVI began to be used around 2004 to remove pollutants, there are no comprehensive review studies about phosphate removal from aquatic systems to date. For this reason, this study will show different types of nZVI, pristine nZVI, and its nanocomposites, that exist on the market, how factors such as pH solution, oxygen, temperature, doses of adsorbent, initial phosphate concentration, and interferents affect phosphate adsorption capacity, and mechanisms involved in phosphate removal. We determined that nanocomposites did not always have higher phosphate adsorption than pristine nZVI particles. Moreover, phosphate can be removed by nZVI-based nanoadsorbents through electrostatic attraction, ion exchange, chemisorption, reduction, complexation, hydrogen bonding, and precipitation mechanisms. Using the partition coefficient (PC) values, we found that sepiolite-nZVI is the most effective nanoadsorbent that exists to remove phosphate from aqueous systems. We suggest future studies need to quantify the PC values for nZVI-based nanoadsorbents as well as ought to investigate their phosphate removal efficiency under natural environmental conditions.
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Affiliation(s)
- Jonathan Suazo-Hernández
- Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Biotechnological Bioresource Nucleus (BIOREN-UFRO), Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4780000, Chile
- Department of Chemical Sciences and Natural Resources, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4811230, Chile
| | - Pamela Sepúlveda
- University of Santiago of Chile (USACH), Physics Department, Faculty of Science and Faculty of Chemistry and Biology, Santiago 8320000, Chile
- Center for the Development of Nanoscience and Nanotechnology, CEDENNA, Santiago 9170022, Chile
| | - Lizethly Cáceres-Jensen
- Physical & Analytical Chemistry Laboratory (PachemLab), Nucleus of Computational Thinking and Education for Sustainable Development (NuCES), Center for Research in Education (CIE-UMCE), Department of Chemistry, Metropolitan University of Educational Sciences, Santiago 776019, Chile
| | - Jorge Castro-Rojas
- Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Biotechnological Bioresource Nucleus (BIOREN-UFRO), Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4780000, Chile
- Doctoral Program in Science of Natural Resources, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4811230, Chile
| | - Patricia Poblete-Grant
- Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Biotechnological Bioresource Nucleus (BIOREN-UFRO), Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4780000, Chile
| | - Nanthi Bolan
- School of Agriculture and Environment, The University of Western Australia, Perth, WA 6009, Australia
- The UWA Institute of Agriculture, The University of Western Australia, Perth, WA 6009, Australia
| | - María de la Luz Mora
- Center of Plant, Soil Interaction and Natural Resources Biotechnology, Scientific and Biotechnological Bioresource Nucleus (BIOREN-UFRO), Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4780000, Chile
- Department of Chemical Sciences and Natural Resources, Universidad de La Frontera, Avenida Francisco Salazar 01145, Temuco 4811230, Chile
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Zhang Q, Li J, Chen D, Xiao W, Zhao S, Ye X, Li H. In situ formation of Ca(OH) 2 coating shell to extend the longevity of zero-valent iron biochar composite derived from Fe-rich sludge for aqueous phosphorus removal. THE SCIENCE OF THE TOTAL ENVIRONMENT 2023; 854:158794. [PMID: 36116640 DOI: 10.1016/j.scitotenv.2022.158794] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/30/2022] [Accepted: 09/11/2022] [Indexed: 06/15/2023]
Abstract
Despite being an effective and attractive functional strategy for aqueous phosphorus (P) removal, the use of zero valent iron (ZVI) biochar composites has been severely impeded by rapid self-erosion. We describe a new approach for extending the lifespan of Fe-rich sludge-derived ZVI biochar composites via CaCl2 modification. Preliminary results showed that composites obtained at 900 °C without modification (MBC900) and at 900 °C with 100 g Cl/kg addition (MBC900100) had the highest P removal efficiency. In subsequent batch experiments, MBC900100 exhibited more stable P adsorption capacities than MBC900 over a wide pH range (4-10) and at various dosages, which was enhanced by the presence of HCO3-. The theoretical maximum P adsorption capacities of MBC900 and MBC900100 were 227.14 and 224.15 mg g-1, respectively. Kinetic analysis indicated that chemisorption dominated the removal process. Continuous experimental data using the Yoon-Nelson model indicated that MBC900100 had a considerably longer half-penetration time. The primary mechanism of P removal by MBC900 was Fe/C micro-electrolysis. As the embedded CaO formed a dissolvable Ca(OH)2 shell in situ on the surface of MBC900100, the phosphate formed a precipitate with free Ca2+ before being removed via micro-electrolysis. Overall, CaCl2 modification successfully enhanced the longevity of the ZVI biochar composites.
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Affiliation(s)
- Qi Zhang
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, PR China; State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products; Key Laboratory of Information Traceability for Agricultural Products; Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, 298 Desheng Middle Road, Hangzhou 310021, PR China
| | - Jun Li
- College of Environment, Zhejiang University of Technology, Hangzhou 310014, PR China.
| | - De Chen
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products; Key Laboratory of Information Traceability for Agricultural Products; Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, 298 Desheng Middle Road, Hangzhou 310021, PR China
| | - Wendan Xiao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products; Key Laboratory of Information Traceability for Agricultural Products; Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, 298 Desheng Middle Road, Hangzhou 310021, PR China
| | - Shouping Zhao
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products; Key Laboratory of Information Traceability for Agricultural Products; Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, 298 Desheng Middle Road, Hangzhou 310021, PR China
| | - Xuezhu Ye
- State Key Laboratory for Managing Biotic and Chemical Threats to the Quality and Safety of Agro-products; Key Laboratory of Information Traceability for Agricultural Products; Institute of Agro-product Safety and Nutrition, Zhejiang Academy of Agricultural Sciences, 298 Desheng Middle Road, Hangzhou 310021, PR China
| | - Hui Li
- Hunan Academy of Forestry and State Key Laboratory of Utilization of Woody Oil Resource, Changsha 410004, PR China
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Qin Y, Wu X, Huang Q, Beiyuan J, Wang J, Liu J, Yuan W, Nie C, Wang H. Phosphate Removal Mechanisms in Aqueous Solutions by Three Different Fe-Modified Biochars. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2022; 20:ijerph20010326. [PMID: 36612648 PMCID: PMC9820018 DOI: 10.3390/ijerph20010326] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/03/2022] [Revised: 12/20/2022] [Accepted: 12/22/2022] [Indexed: 06/05/2023]
Abstract
Iron-modified biochar can be used as an environmentally friendly adsorbent to remove the phosphate in wastewater because of its low cost. In this study, Fe-containing materials, such as zero-valent iron (ZVI), goethite, and magnetite, were successfully loaded on biochar. The phosphate adsorption mechanisms of the three Fe-modified biochars were studied and compared. Different characterization methods, including scanning electron microscopy/energy-dispersive spectrometry (SEM-EDS), Fourier transform infrared spectroscopy (FTIR), and X-ray photoelectron spectroscopy (XPS), were used to study the physicochemical properties of the biochars. The dosage, adsorption time, pH, ionic strength, solution concentration of phosphate, and regeneration evaluations were carried out. Among the three Fe-modified biochars, biochar modified by goethite (GBC) is more suitable for phosphate removal in acidic conditions, especially when the pH = 2, while biochar modified by ZVI (ZBC) exhibits the fastest adsorption rate. The maximum phosphate adsorption capacities, calculated by the Langmuir-Freundlich isothermal model, are 19.66 mg g-1, 12.33 mg g-1, and 2.88 mg g-1 for ZBC, GBC, and CSBC (biochar modified by magnetite), respectively. However, ZBC has a poor capacity for reuse. The dominant mechanism for ZBC is surface precipitation, while for GBC and CSBC, the major mechanisms are ligand exchange and electrostatic attraction. The results of our study can enhance the understanding of phosphate removal mechanisms by Fe-modified biochar and can contribute to the application of Fe-modified biochar for phosphate removal in water.
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Affiliation(s)
- Yiyin Qin
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
- School of Food Science and Technology, Foshan University, Foshan 528000, China
| | - Xinyi Wu
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
- School of Food Science and Technology, Foshan University, Foshan 528000, China
| | - Qiqi Huang
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
- School of Food Science and Technology, Foshan University, Foshan 528000, China
| | - Jingzi Beiyuan
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
- Foshan Engineering and Technology Research Center for Contaminated Soil Remediation, School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
| | - Jin Wang
- School of Environmental Science and Engineering, Key Laboratory of Water Quality and Conservation in the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Juan Liu
- School of Environmental Science and Engineering, Key Laboratory of Water Quality and Conservation in the Pearl River Delta, Ministry of Education, Guangzhou University, Guangzhou 510006, China
| | - Wenbing Yuan
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
| | - Chengrong Nie
- School of Food Science and Technology, Foshan University, Foshan 528000, China
| | - Hailong Wang
- School of Environmental and Chemical Engineering, Foshan University, Foshan 528000, China
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Abukhadra MR, Saad I, Othman SI, Katowah DF, Ajarem JS, Alqarni SA, Allam AA, Al Zoubi Investigatio W, Gun Ko Supervisor Y. Characterization of Fe0@Chitosan/Cellulose Structure as Effective Green Adsorbent for Methyl Parathion, Malachite Green, and Levofloxacin Removal: Experimental and Theoretical Studies. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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