Study of operational performance and electrical response on mediator-less microbial fuel cells fed with carbon- and protein-rich substrates

被引：102
作者：
Liu, Zhidan [1 ,2 ,3 ]
Liu, Jing [1 ]
Zhang, Songping [2 ]
Su, Zhiguo [2 ]
机构：
[1] Lund Univ, Dept Biotechnol, SE-22100 Lund, Sweden
[2] Chinese Acad Sci, Natl Key Lab Biochem Engn, Inst Proc Engn, Beijing 100080, Peoples R China
[3] Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
来源：
BIOCHEMICAL ENGINEERING JOURNAL | 2009年 / 45卷 / 03期
关键词：
Electrical response; Microbial fuel cell; Fed-batch culture; Biofilms; Anaerobic processes; Biocatalysis; HARVESTING ELECTRICITY; POWER-GENERATION; MARINE SEDIMENT; ENERGY; ACETATE; MICROORGANISMS; COMMUNITIES; ENRICHMENT; REDUCTION; BACTERIUM;
D O I：
10.1016/j.bej.2009.03.011
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：
The inducement of electroactive consortia was carried Out in dual-chamber MFCS using acetate-based substrate- and a protein-rich synthetic wastewater in fed-batch mode. The characteristics of these MFCs were then compared. MFCs based on acetate-induced consortia (MFCAce) achieved more than twice higher maximum power, and one half of optimal external resistance in comparison to MFCs based on consortia (MFCPro) induced by a protein-rich wastewater. Furthermore, these MFCs exhibited various electrical responses even identical Substrate being applied. MFCAce preferred carbon-neutral substrates. whereas MFCPro exhibited better performance on nitrogen rich feedstock. In particular, for glucose-glutamic acid solution with gradually decreased glucose/glutamic acid ratio, MFCPro exhibited increasing electrical responses than MFCAce. These results suggest that it is possible to optimize the behavior and characteristics of MFC through proper selection of feeding substrate. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：185 / 191
页数：7
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