Microbial community structure of different electrode materials in constructed wetland incorporating microbial fuel cell

被引：108
作者：
Wang, Junfeng [1 ]
Song, Xinshan [1 ]
Wang, Yuhui [1 ]
Abayneh, Befkadu [1 ]
Ding, Yi [1 ]
Yan, Denghua [2 ]
Bai, Junhong [3 ]
机构：
[1] Donghua Univ, Coll Environm Sci & Engn, State Environm Protect Engn Ctr Pollut Treatment, Shanghai 201620, Peoples R China
[2] China Inst Water Resource & Hydropower Res, Dept Water Resources, Beijing 100038, Peoples R China
[3] Beijing Normal Univ, Sch Environm, Beijing 100038, Peoples R China
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 221卷
关键词：
Microbial fuel cell; Constructed wetland; Microbial community composition; Electrode material; Electrochemically active bacteria; WASTE-WATER TREATMENT; BIOELECTRICITY GENERATION; ELECTRICITY-GENERATION; ACTIVATED-SLUDGE; AZO-DYE; PERFORMANCE; SYSTEM; DECOLORIZATION; REMOVAL; CHINA;
D O I：
10.1016/j.biortech.2016.09.116
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
The microbial fuel cell coupled with constructed wetland (CW-MFC) microcosms were operated under fed-batch mode for evaluating the effect of electrode materials on bioelectricity generation and microbial community composition. Experimental results indicated that the bioenergy output in CW-MFC increased with the substrate concentration; maximum average voltage (177 mV) was observed in CW-MFC with carbon fiber felt (CFF). In addition, the four different materials resulted in the formation of significantly different microbial community distribution around the anode electrode. The relative abundance of Proteobacteria in CFF and foamed nickel (FN) was significantly higher than that in stainless steel mesh (SSM) and graphite rod (GR) samples. Notably, the findings indicate that CW-MFC utilizing FN anode electrode could apparently improve relative abundance of Dechloromonas, which has been regarded as a denitrifying and phosphate accumulating microorganism. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：697 / 702
页数：6
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