A pilot-scale study on utilizing multi-anode/cathode microbial fuel cells (MAC MFCs) to enhance the power production in wastewater treatment

被引：174

作者：

Jiang, Daqian ^{[1
]}

Curtis, Michael ^{[3
]}

Troop, Elizabeth ^{[3
]}

Scheible, Karl ^{[4
]}

McGrath, Joy ^{[4
]}

Hu, Boxun ^{[2
]}

Suib, Steve ^{[2
]}

Raymond, Dustin ^{[1
]}

Li, Baikun ^{[1
]}

机构：

[1] Univ Connecticut, Dept Civil & Environm Engn, Storrs, CT 06269 USA

[2] Univ Connecticut, Dept Chem, Storrs, CT 06269 USA

[3] Fuss & ONeil Inc, Manchester, CT 06040 USA

[4] HydroQual Inc, Mahwah, NJ 07430 USA

来源：

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY | 2011年 / 36卷 / 01期

关键词：

Pilot-scale; Multi-anode/cathode; Microbial fuel cell; Granular activated carbon (GAC); Cathode fouling; MnO2; cathodes; GRANULAR ACTIVATED CARBON; PARTICLE-SIZE DISTRIBUTION; ELECTRICITY-GENERATION; NITROGEN REMOVAL; CATHODE; AIR;

D O I：

10.1016/j.ijhydene.2010.08.074

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

A new type of microbial fuel cell (MFC), multi-anode/cathode MFC (termed as MAC MFC) containing 12 anodes/cathodes were developed to harvest electric power treating domestic wastewater. The power density of MAC MFCs increased from 300 to 380 mW/m(2) at the range of the organic loading rates (0.19-0.66 kg/m(3)/day). MAC MFCs achieved 80% of contaminant removal at the hydraulic retention time (HRT) of 20 h but the contaminant removal deceased to 66% at the HRT of 5 h. In addition, metal-doped manganese dioxide (MnO2) cathodes were developed to replace the costly platinum cathodes, and exhibited high power density. Cu-MnO2 cathodes produced 465 mW/m(2) and Cu-MnO2 cathodes produced 500 mW/m(2). Due to the cathode fouling of the precipitation of calcium and sodium, a decrease in the power density (from 400 to 150 mW/m(2)) and an increase in internal resistance (R-in) (from 175 to 225 Omega) were observed in MAC MFCs. Published by Elsevier Ltd on behalf of Professor T. Nejat Veziroglu.

引用

页码：876 / 884

页数：9

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