Bioelectrochemical technologies for soil and sediment remediation: Recent advances and future perspectives

文献类型： 外文期刊

第一作者： Zheng, Linlan

作者： Zheng, Linlan;Zheng, Linlan;Li, Jibing;Cai, Xixi;Qin, Hongjie;Cai, Xixi;Qin, Hongjie;Tang, Jiahuan

作者机构：

关键词： Bioelectrochemical systems; soil remediation; electrochemical active biofilm; long-distance electron transfer

期刊名称：JOURNAL OF ENVIRONMENTAL MANAGEMENT （ 影响因子：8.4； 五年影响因子：8.6 ）

ISSN： 0301-4797

年卷期： 2024 年 370 卷

页码：

收录情况： SCI

摘要： Soil and sediment serve as the ultimate repositories of pollutants, presenting a significant environmental concern on a global scale. However, there is no effective measure due to the low mobility, high resistance and high cost of contaminated soil or sediment. The bioelectrochemical systems (BESs) combine microbial and electrochemical technology to achieve efficient and rapid degradation of pollutants by enriching electroactive microbial membranes with electrodes. Specifically, BESs offer an ideal solution for in-situ remediation, eliminating the secondary pollution and high energy consumption issues associated with traditional technologies. However, in soil or sediment bioelectrochemical systems (SBESs), further summarization and improvement are required to address the influencing factors during the process of pollutant remediation, given the fragility of complex geographical and natural environments. This paper provides a comprehensive overview and analysis of the removal mechanisms of organic pollutants, heavy metals and emerging contaminants within contaminated soil or sediment, elucidating the influential factors and strategies aimed at enhancing pollutant removal processes within SBESs. The current emerging problems and limitations of microbial electrochemical remediation technology are summarized, and it is suggested that future development should focus on microorganisms, reactors and practical applications.

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