Effect of membrane biofouling on the performance of microbial electrochemical cells and mitigation strategies

被引:21
作者
Jadhav D.A. [1 ]
Pandit S. [2 ]
Sonawane J.M. [3 ]
Gupta P.K. [2 ]
Prasad R. [4 ]
Chendake A.D. [1 ]
机构
[1] Department of Agricultural Engineering, Maharashtra Institute of Technology, Aurangabad
[2] Department of Life Sciences, School of Basic Sciences and Research, Sharda University, Greater Noida
[3] Department of Chemical Engineering and Applied Chemistry, University of Toronto
[4] Department of Botany, Mahatma Gandhi Central University, Motihari, 845401, Bihar
关键词
Biofouling; Exopolysaccharide; Membrane characteristics; Microbial fuel cell; Proton exchange membrane; Scaling-up;
D O I
10.1016/j.biteb.2021.100822
中图分类号
学科分类号
摘要
Membrane is one of the important components of microbial electrochemical technologies (METs), which facilitates the proton transfer from anodic to cathodic chamber. Membrane/separator performance is governed by membrane properties, surface area, mineral composition, porosity and other characteristics. Long-term operation of microbial fuel cell (MFC) is restricted majorly due to bacterial mediated-biofouling of membrane over period results in proton-transfer limitation and poor efficiency. Several strategies have been proposed to develop the antimicrobial membrane, including silver nano-particles and antifouling chemicals that could control biofouling. Present review article summarizes the biofouling mechanism, biofouling development and provides an update on different strategies employed to reduce biofouling and overcome limitations of MFC for scaling-up applications. The cost of membrane replacement due to biofouling can be reduced with proper biofouling mitigation strategies and help improve the rate of electrokinetic reactions. For scalable applications, membrane pretreatment with intermittent dosing of antifouling chemicals can enhance the performance of a long-term operation. © 2021 Elsevier Ltd
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