Microbial Community Analysis of a Single Chamber Microbial Fuel Cell Using Potato Wastewater

被引：25

作者：

Li, Zhen ^{[1
]}

Haynes, Rishika ^{[1
]}

Sato, Eugene ^{[1
]}

Shields, Malcolm S. ^{[2
]}

Fujita, Yoshiko ^{[3
]}

Sato, Chikashi ^{[1
]}

机构：

[1] Idaho State Univ, Coll Sci & Engn, Pocatello, ID 83209 USA

[2] Siemens Clin Lab, Berkeley, CA USA

[3] Idaho Natl Lab, Idaho Falls, ID USA

来源：

WATER ENVIRONMENT RESEARCH | 2014年 / 86卷 / 04期

关键词：

microbial fuel cell; potato wastewater; terminal restriction fragment length polymorphism; 16S ribosomal DNA; FE(III)-REDUCING BACTERIUM; ELECTRICITY-GENERATION; GEOBACTER-SULFURREDUCENS; REDUCTION; DIVERSITY; DEGRADATION; ENERGY;

D O I：

10.2175/106143013X13751480308641

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Microbial fuel cells (MFCs) convert chemical energy to electrical energy via bio-electrochemical reactions mediated by microorganisms. This study investigated the diversity of the microbial community in an air cathode single chamber MFC that used potato-process wastewater as substrate. Terminal restriction fragment length polymorphism results indicated that the bacterial communities on the anode, cathode, control electrode, and MFC bulk fluid were similar, but differed dramatically from that of the anaerobic domestic sludge and potato wastewater inoculum. The 16S ribosomal DNA sequencing results showed that microbial species detected on the anode were predominantly within the phyla of Proteobacteria, Firmicutes, and Bacteroidetes. Fluorescent microscopy results indicated that there was a clear enhancement of biofilm formation on the anode. Results of this study could help improve understanding of the complexity of microbial communities and optimize the microbial composition for generating electricity by MFCs that use potato wastewater.

引用

页码：324 / 330

页数：7

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