A rapid selection strategy for an anodophilic consortium for microbial fuel cells

Aijie Wang; Dan Sun; Nanqi Ren; Chong Liu; Wenzong Liu; Bruce E. Logan; Wei Min Wu

doi:10.1016/j.biortech.2010.02.056

A rapid selection strategy for an anodophilic consortium for microbial fuel cells

Aijie Wang, Dan Sun, Nanqi Ren, Chong Liu, Wenzong Liu, Bruce E. Logan, Wei Min Wu

Research output: Contribution to journal › Article › peer-review

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Abstract

A rapid selection method was developed to enrich for a stable and efficient anodophilic consortium (AC) for microbial fuel cells (MFCs). A biofilm sample from a microbial electrolysis cell was serially diluted up to 10^-9 in anaerobic phosphate buffer solution and incubated in an Fe(III)-acetate medium, and an Fe(III)-reducing AC was obtained for dilutions up to 10^-6. The activity of MFC inoculated with the enrichment AC was compared with those inoculated with original biofilm or activated sludge. The power densities and Coulombic efficiencies of the AC (226 mW/m², 34%) were higher than those of the original biofilm (209 mW/m², 23%) and activated sludge (192 mW/m², 19%). The start-up period of the AC (60 h) was also shorter than those obtained with the other inocula (biofilm, 95 h; activated sludge, 300 h). This indicated that such a strategy is highly efficient for obtaining an anodophilic consortium for improving the performance of an MFC.

Original language	English (US)
Pages (from-to)	5733-5735
Number of pages	3
Journal	Bioresource technology
Volume	101
Issue number	14
DOIs	https://doi.org/10.1016/j.biortech.2010.02.056
State	Published - Jul 2010

All Science Journal Classification (ASJC) codes

Bioengineering
Environmental Engineering
Renewable Energy, Sustainability and the Environment
Waste Management and Disposal

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10.1016/j.biortech.2010.02.056

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title = "A rapid selection strategy for an anodophilic consortium for microbial fuel cells",

abstract = "A rapid selection method was developed to enrich for a stable and efficient anodophilic consortium (AC) for microbial fuel cells (MFCs). A biofilm sample from a microbial electrolysis cell was serially diluted up to 10-9 in anaerobic phosphate buffer solution and incubated in an Fe(III)-acetate medium, and an Fe(III)-reducing AC was obtained for dilutions up to 10-6. The activity of MFC inoculated with the enrichment AC was compared with those inoculated with original biofilm or activated sludge. The power densities and Coulombic efficiencies of the AC (226 mW/m2, 34%) were higher than those of the original biofilm (209 mW/m2, 23%) and activated sludge (192 mW/m2, 19%). The start-up period of the AC (60 h) was also shorter than those obtained with the other inocula (biofilm, 95 h; activated sludge, 300 h). This indicated that such a strategy is highly efficient for obtaining an anodophilic consortium for improving the performance of an MFC.",

author = "Aijie Wang and Dan Sun and Nanqi Ren and Chong Liu and Wenzong Liu and Logan, {Bruce E.} and Wu, {Wei Min}",

note = "Funding Information: We gratefully acknowledge the support of the National Natural Science Foundation of China (Nos. 50678049 , 50878062 and 50638020 ), and Award KUS-I1-003-13 from the King Abdullah University of Science and Technology (KAUST).",

year = "2010",

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language = "English (US)",

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T1 - A rapid selection strategy for an anodophilic consortium for microbial fuel cells

AU - Wang, Aijie

AU - Sun, Dan

AU - Ren, Nanqi

AU - Liu, Chong

AU - Liu, Wenzong

AU - Logan, Bruce E.

AU - Wu, Wei Min

N1 - Funding Information: We gratefully acknowledge the support of the National Natural Science Foundation of China (Nos. 50678049 , 50878062 and 50638020 ), and Award KUS-I1-003-13 from the King Abdullah University of Science and Technology (KAUST).

PY - 2010/7

Y1 - 2010/7

N2 - A rapid selection method was developed to enrich for a stable and efficient anodophilic consortium (AC) for microbial fuel cells (MFCs). A biofilm sample from a microbial electrolysis cell was serially diluted up to 10-9 in anaerobic phosphate buffer solution and incubated in an Fe(III)-acetate medium, and an Fe(III)-reducing AC was obtained for dilutions up to 10-6. The activity of MFC inoculated with the enrichment AC was compared with those inoculated with original biofilm or activated sludge. The power densities and Coulombic efficiencies of the AC (226 mW/m2, 34%) were higher than those of the original biofilm (209 mW/m2, 23%) and activated sludge (192 mW/m2, 19%). The start-up period of the AC (60 h) was also shorter than those obtained with the other inocula (biofilm, 95 h; activated sludge, 300 h). This indicated that such a strategy is highly efficient for obtaining an anodophilic consortium for improving the performance of an MFC.

AB - A rapid selection method was developed to enrich for a stable and efficient anodophilic consortium (AC) for microbial fuel cells (MFCs). A biofilm sample from a microbial electrolysis cell was serially diluted up to 10-9 in anaerobic phosphate buffer solution and incubated in an Fe(III)-acetate medium, and an Fe(III)-reducing AC was obtained for dilutions up to 10-6. The activity of MFC inoculated with the enrichment AC was compared with those inoculated with original biofilm or activated sludge. The power densities and Coulombic efficiencies of the AC (226 mW/m2, 34%) were higher than those of the original biofilm (209 mW/m2, 23%) and activated sludge (192 mW/m2, 19%). The start-up period of the AC (60 h) was also shorter than those obtained with the other inocula (biofilm, 95 h; activated sludge, 300 h). This indicated that such a strategy is highly efficient for obtaining an anodophilic consortium for improving the performance of an MFC.

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A rapid selection strategy for an anodophilic consortium for microbial fuel cells

Abstract

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