Study of wastewater containing sodium citrate degraded by microbial fuel cell - 文章详情页

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EI PKU CSCD

摘要：

Sodium　citrate　(Na3C6H5O7)　is　widely　used　for　food,　medicine,　chemical　industry　and　many　other　fields　due　to　its　excellent　performance.　The　extensive　application　has　resulted　in　an　increase　of　sodium　citrate　in　industrial　and　municipal　sewage　and　it　aggravates　the　eutrophication　of　the　water　body.　In　this　study,　sodium　citrate　is　applied　as　substrate　for　the　anode　electricigens　and　with　which　microbial　fuel　cell　(MFC)　represents　good　electricity　generation　performance.　The　results　show　that　Na3C6H5O7-MFC　achieves　a　maximum　power　density　of　742.96　mW•m-2,　which　is　1.77　and　1.12　times　of　that　of　sodium　acetate　(NaAc-MFC)　and　glucose　(Glu-MFC),　respectively.　The　start-up　time　of　NaAc-MFC　and　Glu-MFC　are　about　1.8　and　2.9　times　of　that　of　Na3C6H5O7-MFC　(57　h).　The　Coulombic　efficiency　of　Na3C6H5O7-MFC　is　61.31%,　which　is　obviously　superior　to　NaAc-MFC　and　Glu-MFC.　This　indicates　that　MFC　can　degrade　sodium　citrate　in　wastewater　effectively,　which　provides　a　possibility　of　sodium　citrate　alone　as　substrate　for　MFC　research.　©　All　Right　Reserved.

关键词：

Chemical industry Sewage Wastewater Microbial fuel cells Degradation Sodium compounds Fuel cells Eutrophication

作者机构：

[ 1 ] [Chen, Wenwen]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
[ 2 ] [Liu, Zhongliang]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
[ 3 ] [Jiang, Kejun]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
[ 4 ] [Jiang, Kejun]Energy Research Institute, National Development and Reform Commission, Beijing; 100038, China
[ 5 ] [Hou, Junxian]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
[ 6 ] [Lou, Xiaoge]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
[ 7 ] [Li, Yanxia]Key Laboratory of Enhanced Heat Transfer and Energy Conservation, Ministry of Education, Beijing University of Technology, Beijing; 100124, China
[ 8 ] [Liao, Qiang]Institute of Engineering Thermophysics, Chongqing University, Chongqing; 400030, China
[ 9 ] [Zhu, Xun]Institute of Engineering Thermophysics, Chongqing University, Chongqing; 400030, China

通讯作者信息：

刘中良
[liu, zhongliang]key laboratory of enhanced heat transfer and energy conservation, ministry of education, beijing university of technology, beijing; 100124, china

电子邮件地址：

liuzhl@bjut.edu.cn

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