51
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Deng Y, Huang S, Dong C, Meng Z, Wang X. Competitive adsorption behaviour and mechanisms of cadmium, nickel and ammonium from aqueous solution by fresh and ageing rice straw biochars. BIORESOURCE TECHNOLOGY 2020; 303:122853. [PMID: 32044646 DOI: 10.1016/j.biortech.2020.122853] [Citation(s) in RCA: 54] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2019] [Revised: 01/15/2020] [Accepted: 01/17/2020] [Indexed: 06/10/2023]
Abstract
In this study, competitive adsorption behaviour and mechanisms of Cd2+, Ni2+ and NH4+ by fresh and artificially ageing biochars produced from rice straw at 400 and 700 °C (RB400, RB700, HRB400 and HRB700) were investigated. Cd2+ competed with Ni2+ and NH4+ for the overlapped adsorption sites on the biochars. For Cd2+ and Ni2+ adsorption, cation exchange (Qci) and mineral co-precipitation (Qcp) were the primary mechanisms for the low-temperature and high-temperature biochars, respectively. However, the other potential mechanisms (Qco) made the greatest contributions to NH4+ adsorption (>60%). Cd2+ and Ni2+ competition increased the proportions of mineral co-precipitation (Qcp) and other potential mechanisms (Qco) but decreased that of cation exchange (Qci) mechanism. Biochar ageing increased the contribution of surface complexation (Qcf) mechanism, especially for the low-temperature biochars. This study indicated that biochar aging and types and states of adsorbates should be considered when biochars were applied to remove contaminants.
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Affiliation(s)
- Yiyi Deng
- State Key Laboratory of Water Resources and Hydropower Engineering Sciences, Wuhan University, Wuhan 430072, China
| | - Shuang Huang
- State Key Laboratory of Water Resources and Hydropower Engineering Sciences, Wuhan University, Wuhan 430072, China.
| | - Caiqin Dong
- State Key Laboratory of Water Resources and Hydropower Engineering Sciences, Wuhan University, Wuhan 430072, China
| | - Zhuowen Meng
- State Key Laboratory of Water Resources and Hydropower Engineering Sciences, Wuhan University, Wuhan 430072, China
| | - Xiugui Wang
- State Key Laboratory of Water Resources and Hydropower Engineering Sciences, Wuhan University, Wuhan 430072, China
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Yao X, Ji L, Guo J, Ge S, Lu W, Cai L, Wang Y, Song W, Zhang H. Magnetic activated biochar nanocomposites derived from wakame and its application in methylene blue adsorption. BIORESOURCE TECHNOLOGY 2020; 302:122842. [PMID: 32006925 DOI: 10.1016/j.biortech.2020.122842] [Citation(s) in RCA: 94] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/16/2019] [Revised: 01/14/2020] [Accepted: 01/16/2020] [Indexed: 06/10/2023]
Abstract
In this work, magnetic wakame biochar nanocomposites for the first time had been synthesized to investigate their adsorption to methylene blue dye. As-prepared magnetic biochar samples were obtained by the impregnation method to load nickel on wakame biochar via one-step carbonization with activation agent KOH at 800 °C. The prepared samples were characterized by BET, XRD, FTIR, Raman, SEM, TEM and so on. The results exhibited that the maximum adsorption capacity of BW(Ni)0.5 to methylene blue could reach 479.49 mg/g at 20 °C. The adsorption behavior was more suitable for Langmuir isotherm equation and the kinetic data were most consistent with the pseudo second-order model. And also, the adsorption reaction was a spontaneous and endothermic process. After five cycles, it was found that BW(Ni)0.5 had a high adsorption capacity for methylene blue (117.58 mg/g). This study demonstrated that wakame biochar could have great potential in dye wastewater treatment.
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Affiliation(s)
- Xinxin Yao
- College of Naval Architecture and Mechanical-Electrical Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Lili Ji
- Institute of Innovation & Application, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Jian Guo
- College of Food and Medical, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Shaoliang Ge
- College of Port and Transportation Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Wencheng Lu
- College of Naval Architecture and Mechanical-Electrical Engineering, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Lu Cai
- Donghai Science and Technology College, Zhejiang Ocean University, Zhoushan 316000, China
| | - Yaning Wang
- Institute of Innovation & Application, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Wendong Song
- College of Petrochemical and Energy Engineering College, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China
| | - Hailong Zhang
- Institute of Innovation & Application, Zhejiang Ocean University, Zhoushan, Zhejiang 316022, China.
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Khalid S, Shahid M, Murtaza B, Bibi I, Asif Naeem M, Niazi NK. A critical review of different factors governing the fate of pesticides in soil under biochar application. THE SCIENCE OF THE TOTAL ENVIRONMENT 2020; 711:134645. [PMID: 31822404 DOI: 10.1016/j.scitotenv.2019.134645] [Citation(s) in RCA: 68] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Revised: 09/23/2019] [Accepted: 09/23/2019] [Indexed: 05/13/2023]
Abstract
Pesticides are extensively used in the modern agricultural system. The inefficient and extensive use of pesticides during the last 5 to 6 decades inadvertently led to serious deterioration of environmental quality with health risk to living organisms, including humans. It is important to use some environmentally-friendly and sustainable approaches to remediate, restore and maintain soil quality. Biochar has gained considerable attention globally as a promising soil amendment because it has the ability to adsorb and as such minimize the bioavailability of pesticides in soils. This review emphasizes the recent trends and implications of biochar in pesticide-contaminated soils, as well as highlights need of the pesticides use and associated environmental issues in context of the biochar application. The overarching aim of this review is to signify the role of biochar on primary processes such as effect of biochar on the persistence, mineralization, leaching and efficacy of pesticides in soil. Notably, the effects of biochar on pesticide adsorption-desorption, degradation and bioavailability under various operating/production conditions are critically discussed. This review delineates the indirect impact of biochar on pesticides persistence in soils and proposes key recommendations for future research which are essential for the remediation and restoration of pesticides-impacted soils.
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Affiliation(s)
- Sana Khalid
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari 61100, Pakistan
| | - Muhammad Shahid
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari 61100, Pakistan.
| | - Behzad Murtaza
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari 61100, Pakistan
| | - Irshad Bibi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan
| | - Muhammad Asif Naeem
- Department of Environmental Sciences, COMSATS University Islamabad, Vehari Campus, Vehari 61100, Pakistan
| | - Nabeel Khan Niazi
- Institute of Soil and Environmental Sciences, University of Agriculture Faisalabad, Faisalabad 38040, Pakistan; School of Civil Engineering and Surveying, University of Southern Queensland, Toowoomba 4350, Queensland, Australia.
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Baltrėnaitė-Gedienė E, Leonavičienė T, Baltrėnas P. Comparison of CU(II), MN(II) and ZN(II) adsorption on biochar using diagnostic and simulation models. CHEMOSPHERE 2020; 245:125562. [PMID: 31846789 DOI: 10.1016/j.chemosphere.2019.125562] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 11/25/2019] [Accepted: 12/05/2019] [Indexed: 05/22/2023]
Abstract
With the increase of urbanization and human consumption, the extraction of potentially toxic elements (PTEs) causes higher risk of them to enter sources of human food and potable water. Adsorption has been studied extensively as phenomena to reduce element mobility in both natural and engineered systems. The need to adapt the adsorption models to simulate the adsorption increases as the variety of adsorbents of natural origin is getting bigger and bigger due to their sustainability, availability and low costs. Adsorption of PTEs was analysed in the case of biochar which is a widely studied adsorbent, however, the studies are often limited to standard adsorption equilibrium and kinetic procedures without further analyses into the adsorbate and adsorbent contact zone. Zn(II), Cu(II) and Mn(II) were chosen study due to their nutritional and toxicological features. Diagnostic methods were used to differentiate the metal behaviour during adsorption and dynamic intraparticle model was further employed to simulate the kinetic conditions. Harkins-Jura isotherm model and pseudo-second kinetic model were determined to fit the adsorption of PTEs on biochar. According to the adsorption efficiency and capacity, PTEs fell into the following sequence: Cu(II) > Mn(II)>Zn(II). It was observed that the kinetics of Cu(II) decreased in the solution by about 1.7 times more than of Zn(II) and about 2.3 times more than of Mn(II). Cu(II) decreased faster and more suddenly than Mn(II) and Zn(II) in the solution on the particle surface and in the solution inside the particle.
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Affiliation(s)
- Edita Baltrėnaitė-Gedienė
- Institute of Environmental Protection, Vilnius Gediminas Technical University, Saulėtekio al. 11, Vilnius, Lithuania.
| | - Teresė Leonavičienė
- Department of Mathematical Modelling, Vilnius Gediminas Technical University, Saulėtekio al. 11, Vilnius, Lithuania
| | - Pranas Baltrėnas
- Institute of Environmental Protection, Vilnius Gediminas Technical University, Saulėtekio al. 11, Vilnius, Lithuania
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Utilization of pine tree biochar produced by flame-curtain pyrolysis in two non-agricultural applications. ACTA ACUST UNITED AC 2020. [DOI: 10.1016/j.biteb.2020.100384] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Preparation of bean dreg derived N-doped activated carbon with high adsorption for Cr(VI). Colloids Surf A Physicochem Eng Asp 2020. [DOI: 10.1016/j.colsurfa.2019.124262] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Abdin Y, Usman A, Ok YS, Tsang YF, Al-Wabel M. Competitive sorption and availability of coexisting heavy metals in mining-contaminated soil: Contrasting effects of mesquite and fishbone biochars. ENVIRONMENTAL RESEARCH 2020; 181:108846. [PMID: 31740040 DOI: 10.1016/j.envres.2019.108846] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Revised: 10/19/2019] [Accepted: 10/19/2019] [Indexed: 06/10/2023]
Abstract
Mesquite and fishbone were pyrolyzed to produce biochar (MBC and FBC, respectively) at different temperatures. The effects of the MBC and FBC on the removal of single and competitive metals (Cd, Pb, Zn, and Cu) from aqueous solutions were evaluated. A greenhouse pot experiment was also conducted using wheat plants with the mining-contaminated soils. In the presence of MBC or FBC (dosages of 15 and 30 g kg-1), the bioavailability of co-existing Cd, Pb, Zn, Cu, Mn, and Fe were assessed. The results clearly indicated competitive adsorption among metals with the highest adsorption preference toward Pb. The removal efficiency and partition coefficient (PC) values of heavy metals for FBCs were higher than those for MBCs. These two values increased with MBC pyrolysis temperature under both single- and multi-metals adsorption conditions. Applying FBC to mining soil resulted in the highest reduction in most NH4NO3-extractable heavy metals, reducing their availability to wheat plants. At the highest application dosage of 30 g kg-1, the highest metal immobilization, which accounted for 40.0% and 43.0% for Pb, 61.7% and 66.2% for Cu, 48.3% and 55.6% for Zn, and 32.7% and 33.8% for Cd, was achieved following the application of FBC400 and FBC600, respectively. However, applying MBC lead to a significant reduction in the availability of Cu and Pb but not that of Zn and Cd. FBC is thus more effective in removing heavy metal from aqueous solutions, as well as in immobilizing co-existing heavy metals in contaminated mining soil. It could, therefore, be an effective sorbent and immobilizing agent.
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Affiliation(s)
- Yassir Abdin
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia
| | - Adel Usman
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia; Department of Soils and Water, Faculty of Agriculture, Assiut University, Assiut 71526, Egypt
| | - Yong Sik Ok
- Korea Biochar Research Center, O-Jeong Eco-Resilience Institute (OJERI), Division of Environmental Science and Ecological Engineering, Korea University, Seoul, 02841, South Korea
| | - Yiu Fai Tsang
- Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, New Territories, Hong Kong, China
| | - Mohammad Al-Wabel
- Soil Sciences Department, College of Food and Agricultural Sciences, King Saud University, P.O. Box 2460, Riyadh, 11451, Saudi Arabia; Department of Science and Environmental Studies, The Education University of Hong Kong, Tai Po, New Territories, Hong Kong, China.
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Chang J, Zhang H, Cheng H, Yan Y, Chang M, Cao Y, Huang F, Zhang G, Yan M. Spent Ganoderma lucidum substrate derived biochar as a new bio-adsorbent for Pb 2+/Cd 2+ removal in water. CHEMOSPHERE 2020; 241:125121. [PMID: 31683424 DOI: 10.1016/j.chemosphere.2019.125121] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Revised: 10/11/2019] [Accepted: 10/13/2019] [Indexed: 06/10/2023]
Abstract
The present study firstly reports spent Ganoderma lucidum substrate derived biochars (SLBCS) for the effective removal of Pb2+/Cd2+ from water. The effects of pyrolysis temperature on the SLBCS characteristics and Pb2+/Cd2+ adsorption mechanism was studied systematically. The surface physicochemical properties of SLBCS were significantly affected by the pyrolysis temperature. The increase in pyrolysis temperature from 250 to 650 °C resulted in a drastic increase in the biochar surface area and the well development of mesoporous structure, which could provide more effective adsorption sites for Pb2+ and Cd2+ onto SLBCS. According to the Langmuir model, the obtained maximum adsorption capacity of Pb2+ onto SL650 reached 262.76 mg g-1, while that of Cd2+ reached 75.82 mg g-1. The adsorption capacities of SL650 for Pb2+ and Cd2+ were even higher than that of other modified biochars. The high adsorption capacity of SL650 for Pb2+, attributed to the precipitation supported by high temperature, benefitted the formation of carbonate minerals. Two possible mechanisms involved in Cd2+ sorption: carbonate precipitation and coordination with π electrons. Desorption of SL650 showed high efficiency for Pb2+, but slightly low efficiency for Cd2+. These results indicate that SL650 can be applied for removing heavy metals, especially Pb2+, from polluted water.
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Affiliation(s)
- Jianning Chang
- College of Resources and Environment, Shanxi Agricultural University, Taigu, 030801, China
| | - Haibo Zhang
- College of Urban and Rural Construction, Shanxi Agricultural University, Taigu, 030801, China
| | - Hongyan Cheng
- College of Resources and Environment, Shanxi Agricultural University, Taigu, 030801, China.
| | - Yangyang Yan
- College of Resources and Environment, Shanxi Agricultural University, Taigu, 030801, China
| | - Mingchang Chang
- College of Food Science and Engineering, Shanxi Agricultural University, Taigu, 030801, China; Collaborative Innovation Center of Advancing Quality and Efficiency of Loess Plateau Edible Fungi, Taigu, 030801, China
| | - Yanzhuan Cao
- College of Resources and Environment, Shanxi Agricultural University, Taigu, 030801, China
| | - Fei Huang
- College of Resources and Environment, Shanxi Agricultural University, Taigu, 030801, China
| | - Guosheng Zhang
- College of Resources and Environment, Shanxi Agricultural University, Taigu, 030801, China
| | - Meng Yan
- College of Resources and Environment, Shanxi Agricultural University, Taigu, 030801, China
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Abstract
The in-situ catalytic fast pyrolysis of pinecone over HY catalysts, HY(30; SiO2/Al2O3), HY(60), and 1% Ni/HY(30), was studied by TGA and Py-GC/MS. Thermal and catalytic TGA indicated that the main decomposition temperature region of pinecone, from 200 to 400 °C, was not changed using HY catalysts. On the other hand, the DTG peak heights were differentiated by the additional use of HY catalysts. Py-GC/MS analysis showed that the efficient conversion of phenols and other oxygenates formed from the pyrolysis of pinecone to aromatic hydrocarbons could be achieved using HY catalysts. Of the HY catalysts assessed, HY(30), showed higher efficiency in the production of aromatic hydrocarbons than HY(60) because of its higher acidity. The aromatic hydrocarbon production was increased further by increasing the pyrolysis temperature from 500 to 600 °C and increasing the amount of catalyst due to the enhanced cracking ability and overall acidity. The use of 1% Ni/HY(30) also increased the amount of monoaromatic hydrocarbons compared to the use of HY(30) due to the additional role of Ni in enhancing the deoxygenation and aromatization of reaction intermediates.
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Eom J, Park J, Kim S, Kim Y, Ryu S, Seo D. Evaluation of Cd Adsorption Characteristic by Microplastic Polypropylene in Aqueous Solution. ACTA ACUST UNITED AC 2019. [DOI: 10.5338/kjea.2019.38.2.16] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/01/2022]
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