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Study of operational performance and electrical response on mediator-less microbial fuel cells fed with carbon- and protein-rich substrates

Liu, Zhidan LU ; Liu, Jing LU ; Zhang, Songping and Su, Zhiguo (2009) In Biochemical Engineering Journal 45(3). p.185-191
Abstract
The inducement of electroactive consortia was carried Out in dual-chamber MFCS using acetate-based substrate- and a protein-rich synthetic wastewater in fed-batch mode. The characteristics of these MFCs were then compared. MFCs based on acetate-induced consortia (MFCAce) achieved more than twice higher maximum power, and one half of optimal external resistance in comparison to MFCs based on consortia (MFCPro) induced by a protein-rich wastewater. Furthermore, these MFCs exhibited various electrical responses even identical Substrate being applied. MFCAce preferred carbon-neutral substrates. whereas MFCPro exhibited better performance on nitrogen rich feedstock. In particular, for glucose-glutamic acid solution with gradually decreased... (More)
The inducement of electroactive consortia was carried Out in dual-chamber MFCS using acetate-based substrate- and a protein-rich synthetic wastewater in fed-batch mode. The characteristics of these MFCs were then compared. MFCs based on acetate-induced consortia (MFCAce) achieved more than twice higher maximum power, and one half of optimal external resistance in comparison to MFCs based on consortia (MFCPro) induced by a protein-rich wastewater. Furthermore, these MFCs exhibited various electrical responses even identical Substrate being applied. MFCAce preferred carbon-neutral substrates. whereas MFCPro exhibited better performance on nitrogen rich feedstock. In particular, for glucose-glutamic acid solution with gradually decreased glucose/glutamic acid ratio, MFCPro exhibited increasing electrical responses than MFCAce. These results suggest that it is possible to optimize the behavior and characteristics of MFC through proper selection of feeding substrate. (C) 2009 Elsevier B.V. All rights reserved. (Less)
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author
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Anaerobic processes, Biofilms, Fed-batch culture, Electrical response, Microbial fuel cell, Biocatalysis
in
Biochemical Engineering Journal
volume
45
issue
3
pages
185 - 191
publisher
Elsevier
external identifiers
  • wos:000274704200003
  • scopus:66849117184
ISSN
1369-703X
DOI
10.1016/j.bej.2009.03.011
language
English
LU publication?
yes
id
202d3c00-71cd-4afe-9327-16a74e8db51c (old id 1567749)
date added to LUP
2016-04-01 13:55:54
date last changed
2022-04-22 00:27:20
@article{202d3c00-71cd-4afe-9327-16a74e8db51c,
  abstract     = {{The inducement of electroactive consortia was carried Out in dual-chamber MFCS using acetate-based substrate- and a protein-rich synthetic wastewater in fed-batch mode. The characteristics of these MFCs were then compared. MFCs based on acetate-induced consortia (MFCAce) achieved more than twice higher maximum power, and one half of optimal external resistance in comparison to MFCs based on consortia (MFCPro) induced by a protein-rich wastewater. Furthermore, these MFCs exhibited various electrical responses even identical Substrate being applied. MFCAce preferred carbon-neutral substrates. whereas MFCPro exhibited better performance on nitrogen rich feedstock. In particular, for glucose-glutamic acid solution with gradually decreased glucose/glutamic acid ratio, MFCPro exhibited increasing electrical responses than MFCAce. These results suggest that it is possible to optimize the behavior and characteristics of MFC through proper selection of feeding substrate. (C) 2009 Elsevier B.V. All rights reserved.}},
  author       = {{Liu, Zhidan and Liu, Jing and Zhang, Songping and Su, Zhiguo}},
  issn         = {{1369-703X}},
  keywords     = {{Anaerobic processes; Biofilms; Fed-batch culture; Electrical response; Microbial fuel cell; Biocatalysis}},
  language     = {{eng}},
  number       = {{3}},
  pages        = {{185--191}},
  publisher    = {{Elsevier}},
  series       = {{Biochemical Engineering Journal}},
  title        = {{Study of operational performance and electrical response on mediator-less microbial fuel cells fed with carbon- and protein-rich substrates}},
  url          = {{http://dx.doi.org/10.1016/j.bej.2009.03.011}},
  doi          = {{10.1016/j.bej.2009.03.011}},
  volume       = {{45}},
  year         = {{2009}},
}