Sustainable power production in a membrane-less and mediator-less synthetic wastewater microbial fuel cell

被引:93
作者
Aldrovandi, Aba [1 ]
Marsili, Enrico [2 ]
Stante, Loredana [1 ]
Paganin, Patrizia [3 ]
Tabacchioni, Silvia [3 ]
Giordano, Andrea [1 ]
机构
[1] ENEA CR Bologna, ACS PROT IDR Sect, I-40129 Bologna, Italy
[2] Dublin City Univ, Sch Biotechnol, Dublin 9, Ireland
[3] ENEA CR Casaccia, BAS BIOTEC GEN Sect, I-00123 Rome, Italy
关键词
Microbial fuel cell; Sustainable power; Biocathode; PCR-DGGE; EXTRACELLULAR ELECTRON-TRANSFER; ELECTRICITY-GENERATION; BACTERIAL COMMUNITIES; OXYGEN REDUCTION; BIOFUEL CELLS; PERFORMANCE; DEGRADATION; BIOCATHODE; EXTRACTION; NANOWIRES;
D O I
10.1016/j.biortech.2009.01.041
中图分类号
S2 [农业工程];
学科分类号
0828 ;
摘要
Microbial fuel cells (MFCs) fed with wastewater are currently considered a feasible strategy for production of renewable electricity. A membrane-less MFC with biological cathode was built from a compact wastewater treatment reactor and fed with synthetic wastewater. When operated with an external resistance of 250 Omega, the MFC produced a long-term power of about 70 mW/m(2) for 10 months. Denaturing Gradient Gel Electrophoresis (DGGE) analysis of the cathode biomass when the MFC was closed on a 2100 Omega external resistance showed that the sequenced bands were affiliated with Firmicutes, alpha-Proteobacteria, beta-Proteobacteria. gamma-Proteobacteria, and Bacteroidetes groups. When the external resistance was varied between 250 and 2100 Omega, minimum sustainable resistance decreased from 900 to 750 Omega, while maximum sustainable power output decreased from 32 to 28 mW/m2. It is likely that these effects were caused by changes in the microbial ecology of anodic and cathodic biomass attached to the electrodes. Results suggest that cathodic biomass enrichment in "electroactive" bacteria may improve MFCs power output in a similar fashion to what has been already observed for anodic biomass. (C) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码:3252 / 3260
页数:9
相关论文
共 48 条
[1]   MICROBIAL FUEL-CELLS - ELECTRICITY PRODUCTION FROM CARBOHYDRATES [J].
ALLEN, RM ;
BENNETTO, HP .
APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY, 1993, 39 :27-40
[2]  
[Anonymous], 2003, MCGRAWHILL
[3]  
[Anonymous], 1999, Standard Methods for Examination of Water and Waste Water
[4]  
[Anonymous], 2004, Fuel Cell Handbook, V7
[5]   Catalysis of oxygen reduction in PEM fuel cell by seawater biofilm [J].
Bergel, A ;
Féron, D ;
Mollica, A .
ELECTROCHEMISTRY COMMUNICATIONS, 2005, 7 (09) :900-904
[6]   Electricity production by Geobacter sulfurreducens attached to electrodes [J].
Bond, DR ;
Lovley, DR .
APPLIED AND ENVIRONMENTAL MICROBIOLOGY, 2003, 69 (03) :1548-1555
[7]   DNA extraction from activated sludges [J].
Bourrain, M ;
Achouak, W ;
Urbain, V ;
Heulin, T .
CURRENT MICROBIOLOGY, 1999, 38 (06) :315-319
[8]   Electricity generation by direct oxidation of glucose in mediatorless microbial fuel cells [J].
Chaudhuri, SK ;
Lovley, DR .
NATURE BIOTECHNOLOGY, 2003, 21 (10) :1229-1232
[9]   Application of biocathode in microbial fuel cells: cell performance and microbial community [J].
Chen, Guo-Wei ;
Choi, Soo-Jung ;
Lee, Tae-Ho ;
Lee, Gil-Young ;
Cha, Jae-Hwan ;
Kim, Chang-Won .
APPLIED MICROBIOLOGY AND BIOTECHNOLOGY, 2008, 79 (03) :379-388
[10]   Open air biocathode enables effective electricity generation with microbial fuel cells [J].
Clauwaert, Peter ;
Van der Ha, David ;
Boon, Nico ;
Verbeken, Kim ;
Verhaege, Marc ;
Rabaey, Korneel ;
Verstraete, Willy .
ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2007, 41 (21) :7564-7569