Journal
CHEMOSPHERE
Volume 211, Issue -, Pages 156-163Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.chemosphere.2018.07.089
Keywords
Microbial electrochemical system; Soil; Bioremediation
Categories
Funding
- Fundamental Research Funds for the Central Universities [529020900201674]
- National Key Research Program of China [2016YFD0800206]
- National Natural Science Foundation of China [41522106]
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Soil contamination poses a serious threat to ecosystem and human well-being. Compared to conventional physical and chemical treatment, the microbial electrochemical system (MES) offers a sustainable and environment-friendly solution for soil bioremediation. In principle, soil microbe degrades organic substrate and releases electron in anode region. The electron flows through electric circuit to the cathode and finally is accepted by oxygen or oxidized metals. With various inherent advantages, MES has been applied in petroleum hydrocarbon, chlorinated organics and heavy metals bioremediation in soils. This paper aims to review the recent advances of MES in soil bioremediation, including main mechanisms of contaminant removal with MES, configurations of soil MES and current development in bioremediation of soil contaminated by organic and inorganic pollutants. Moreover, challenges and future prospects of soil MES are discussed. (C) 2018 Elsevier Ltd. All rights reserved.
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