Examination of microbial fuel cell start-up times with domestic wastewater and additional amendments

Guangli Liu; Matthew D. Yates; Shaoan Cheng; Douglas F. Call; Dan Sun; Bruce E. Logan

doi:10.1016/j.biortech.2011.04.087

Examination of microbial fuel cell start-up times with domestic wastewater and additional amendments

Guangli Liu, Matthew D. Yates, Shaoan Cheng, Douglas F. Call, Dan Sun, Bruce E. Logan

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

102 Scopus citations

Abstract

Rapid startup of microbial fuel cells (MFCs) and other bioreactors is desirable when treating wastewaters. The startup time with unamended wastewater (118h) was similar to that obtained by adding acetate or fumarate (110-115h), and less than that with glucose (181h) or Fe(III) (353h). Initial current production took longer when phosphate buffer was added, with startup times increasing with concentration from 149h (25mM) to 251h (50mM) and 526h (100mM). Microbial communities that developed in the reactors contained Betaproteobacteria, Acetoanaerobium noterae, and Chlorobium sp. Anode biomass densities ranged from 200 to 600μg/cm² for all amendments except Fe(Sh{cyrillic}) (1650μg/cm²). Wastewater produced 91mW/m², with the other MFCs producing 50mW/m² (fumarate) to 103mW/m² (Fe(III)) when amendments were removed. These experiments show that wastewater alone is sufficient to acclimate the reactor without the need for additional chemical amendments.

Original language	English (US)
Pages (from-to)	7301-7306
Number of pages	6
Journal	Bioresource technology
Volume	102
Issue number	15
DOIs	https://doi.org/10.1016/j.biortech.2011.04.087
State	Published - Aug 2011

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.2011.04.087

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title = "Examination of microbial fuel cell start-up times with domestic wastewater and additional amendments",

abstract = "Rapid startup of microbial fuel cells (MFCs) and other bioreactors is desirable when treating wastewaters. The startup time with unamended wastewater (118h) was similar to that obtained by adding acetate or fumarate (110-115h), and less than that with glucose (181h) or Fe(III) (353h). Initial current production took longer when phosphate buffer was added, with startup times increasing with concentration from 149h (25mM) to 251h (50mM) and 526h (100mM). Microbial communities that developed in the reactors contained Betaproteobacteria, Acetoanaerobium noterae, and Chlorobium sp. Anode biomass densities ranged from 200 to 600μg/cm2 for all amendments except Fe(Sh{cyrillic}) (1650μg/cm2). Wastewater produced 91mW/m2, with the other MFCs producing 50mW/m2 (fumarate) to 103mW/m2 (Fe(III)) when amendments were removed. These experiments show that wastewater alone is sufficient to acclimate the reactor without the need for additional chemical amendments.",

author = "Guangli Liu and Yates, {Matthew D.} and Shaoan Cheng and Call, {Douglas F.} and Dan Sun and Logan, {Bruce E.}",

note = "Funding Information: The authors would like to thank Ms. Henjing Yan and Mr. Sokhee Jung for assisting the DGGE analysis. This research was supported by Award KUS-I1-003-13 from the King Abdullah University of Science and Technology (KAUST) and a scholarship from the China Scholarship Council (CSC, No. 27A49011 ). ",

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AU - Logan, Bruce E.

N1 - Funding Information: The authors would like to thank Ms. Henjing Yan and Mr. Sokhee Jung for assisting the DGGE analysis. This research was supported by Award KUS-I1-003-13 from the King Abdullah University of Science and Technology (KAUST) and a scholarship from the China Scholarship Council (CSC, No. 27A49011 ).

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N2 - Rapid startup of microbial fuel cells (MFCs) and other bioreactors is desirable when treating wastewaters. The startup time with unamended wastewater (118h) was similar to that obtained by adding acetate or fumarate (110-115h), and less than that with glucose (181h) or Fe(III) (353h). Initial current production took longer when phosphate buffer was added, with startup times increasing with concentration from 149h (25mM) to 251h (50mM) and 526h (100mM). Microbial communities that developed in the reactors contained Betaproteobacteria, Acetoanaerobium noterae, and Chlorobium sp. Anode biomass densities ranged from 200 to 600μg/cm2 for all amendments except Fe(Sh{cyrillic}) (1650μg/cm2). Wastewater produced 91mW/m2, with the other MFCs producing 50mW/m2 (fumarate) to 103mW/m2 (Fe(III)) when amendments were removed. These experiments show that wastewater alone is sufficient to acclimate the reactor without the need for additional chemical amendments.

AB - Rapid startup of microbial fuel cells (MFCs) and other bioreactors is desirable when treating wastewaters. The startup time with unamended wastewater (118h) was similar to that obtained by adding acetate or fumarate (110-115h), and less than that with glucose (181h) or Fe(III) (353h). Initial current production took longer when phosphate buffer was added, with startup times increasing with concentration from 149h (25mM) to 251h (50mM) and 526h (100mM). Microbial communities that developed in the reactors contained Betaproteobacteria, Acetoanaerobium noterae, and Chlorobium sp. Anode biomass densities ranged from 200 to 600μg/cm2 for all amendments except Fe(Sh{cyrillic}) (1650μg/cm2). Wastewater produced 91mW/m2, with the other MFCs producing 50mW/m2 (fumarate) to 103mW/m2 (Fe(III)) when amendments were removed. These experiments show that wastewater alone is sufficient to acclimate the reactor without the need for additional chemical amendments.

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Examination of microbial fuel cell start-up times with domestic wastewater and additional amendments

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