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Improving the start-up performance of Microbial Fuel Cell with electroconductivity aerated membrane as biocathode

Authors： WU Yun1,2, LIANG Jingjing1,2, WANG Zhenqiong1,2, HAN Lujie1, ZHANG Hongwei1,2, SUN Zhongfang

Units： 1State Key Laboratory of Separation Membranes and Membrane Processes, Tianjin Polytechnic University, Tianjin 300387,China; 2School of environmental and chemical engineering, Tianjin Polytechnic University, Tianjin 300387, China

KeyWords： Microbial Fuel Cell; conductive-aeration cathode; denitrification; rapid start-up; FISH

ClassificationCode：X52

year,volume(issue):pagination： 2018,38(6):76-83

Abstract：

Microbial fuel cell (MFC) generally has a slow start-up, and the starting mode has great influence on the performance of anode and cathode. In this paper, the effect of constant potential on the starting process of the system and the performance of the biological cathode was analyzed by applying constant potential to the anode. The results showed that the application of constant potentials accelerated the startup process of the system and improved the bio-cathode performance of EAM-MFC. Cathode potential and EAM-MFC output voltage increased by 84 ± 1.51 mV and 127 ± 2.09 mV respectively; the cathode COD, ammonia nitrogen and total nitrogen removal efficiency were increased by 32.77 %, 10.09 % and 21.42 % respectively; and it can stimulate the growth of denitrifying microorganism on the cathode membrane module.

Funds：

国家自然基金面上项目（51678410）；中国博士后科学基金（2015M571267）；天津市科技计划项目（16PTGCCX00070）

AuthorIntro：

第一作者简介：梁晶晶（1992-），女，河北省大名县人，硕士研究生，废水脱氮和微生物燃料电池， E-mail：619202660@qq.com

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