A microbial fuel cell-membrane bioreactor integrated system for cost-effective wastewater treatment

被引:114
|
作者
Wang, Yong-Peng [2 ]
Liu, Xian-Wei [2 ]
Li, Wen-Wei [1 ]
Li, Feng [1 ]
Wang, Yun-Kun [1 ]
Sheng, Guo-Ping [1 ]
Zeng, Raymond J. [1 ]
Yu, Han-Qing [1 ]
机构
[1] Univ Sci & Technol China, Dept Chem, Hefei 230026, Peoples R China
[2] Univ Sci & Technol China, Sch Earth & Space Sci, Hefei 230026, Peoples R China
关键词
Microbial fuel cell (MFC); Membrane bioreactor (MBR); Wastewater treatment; Bio-cathode; Low-cost; OXYGEN REDUCTION; POWER-GENERATION; MEDIATOR-LESS; MESH; PERFORMANCE; REACTOR; FILTER; CATALYST; ANODE;
D O I
10.1016/j.apenergy.2012.03.029
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Microbial fuel cell (MFC) and membrane bioreactor (MBR) are both promising technologies for wastewater treatment, but both with limitations. In this study, a novel MFC-MBR integrated system, which combines the advantages of the individual systems, was proposed for simultaneous wastewater treatment and energy recovery. The system favored a better utilization of the oxygen in the aeration tank of MBR by the MFC biocathode, and enabled a high effluent quality. Continuous and stable electricity generation, with the average current of 1.9 +/- 0.4 mA, was achieved over a long period of about 40 days. The maximum power density reached 6.0 W m(-3). Moreover, low-cost materials were used for the reactor construction. This integrated system shows great promise for practical wastewater treatment application. (c) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:230 / 235
页数:6
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