Electrochemical analysis of Clostridium propionicum and its acrylic acid production in microbial fuel cells

被引：18
|
作者：
Zhu, Linqi [1 ]
Chen, Hao [1 ]
Huang, Lei [1 ]
Cai, Jin [1 ]
Xu, Zhinan [1 ]
机构：
[1] Zhejiang Univ, Inst Biol Engn, Dept Chem & Biol Engn, Hangzhou 310027, Peoples R China
来源：
ENGINEERING IN LIFE SCIENCES | 2011年 / 11卷 / 03期
关键词：
Acrylic acid; Clostridium propionicum; Electricity; MFCs; ELECTRICITY-GENERATION; ELECTRON-TRANSFER; GEOBACTER-SULFURREDUCENS; BUTYRIC-ACID; FERMENTATION; TYROBUTYRICUM; BIOMASS; DEHYDRATION; METHODOLOGY; (R)-LACTATE;
D O I：
10.1002/elsc.201000220
中图分类号：
Q81 [生物工程学（生物技术）]; Q93 [微生物学];
学科分类号：
071005 ; 0836 ; 090102 ; 100705 ;
摘要：
Currently, acrylic acid is produced at a low yield by the resting cells of Clostridium propionicum with the supplement of extra electron acceptors. As an alternative way, acrylic acid production coupled with electricity generation was achieved by C. propionicum-based microbial fuel cells (MFCs). Electricity was generated in the salt-bridge MFCs with cysteine and resazurin in the anode chamber as mediators, and K(3)Fe(CN)(6) as the cathode electron acceptor. Power generation was 21.78 mW/m(2) with an internal resistance of 9809 Omega. Cyclic voltammograms indicated the main mechanism of power production was the electron transfer facilitated by mediators in the system. In the salt-bridge MFC system, 0.694 mM acrylic acid was produced together with electricity generation.
引用
收藏
页码：238 / 244
页数：7
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