Recent advances in soil microbial fuel cells for soil contaminants remediation
CHEMOSPHERE(2021)
摘要
The cost-effective and eco-friendly approaches are needed for decontamination of polluted soils. The bioelectrochemical system, especially microbial fuel cells (MFCs) offer great promise as a technology for remediation of soil, sediment, sludge and wastewater. Recently, soil MFCs (SMFCs) have been attracting increasing amounts of interest in environmental remediation, since they are capable of providing a clean and inexhaustible source of electron donors or acceptors and can be easily controlled by adjusting the electrochemical parameters. In this review, we comprehensively covered the principle of SMFCs including the mechanisms of electron releasing and electron transportation, summarized the applications for soil contaminants remediation by SMFCs with highlights on organic contaminants degradation and heavy metal ions removal. In addition, the main factors that affected the performance of SMFCs were discussed in details which would be helpful for performance optimization of SMFCs as well as the efficiency improvement for soil remediation. Moreover, the key issues need to be addressed and future perspectives are presented. (C) 2021 Elsevier Ltd. All rights reserved.
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关键词
Soil microbial fuel cells,Electrogens,Pollutants,Heavy metals,Bioremediation
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