I. Ieropoulos
Effects of sulphate addition and sulphide inhibition on microbial fuel cells
Ieropoulos, I.; G�lvez, A.; Greenman, J.; Ieropoulos, Ioannis; G�lvez, Antonia; Greenman, John
Authors
A. G�lvez
J. Greenman
Yannis Ieropoulos Ioannis2.Ieropoulos@uwe.ac.uk
Professor in Bioenergy & Director of B-B
Antonia G�lvez
John Greenman john.greenman@uwe.ac.uk
Abstract
The effects of adding sulphate in: (i) standard activated sludge microbial fuel cells (MFCs) and (ii) larger-scale leachate-treating columns - both as individual units and as a system connected in cascade - are reported. S-replete power output was ∼2-fold higher than that of the S-deplete MFC. Furthermore, the effects of evolved sulphide (S2-) inhibition were investigated. The overall decrease in power output from the sulphide inhibitor (Na2MoO4) additions was 83% for the S-replete and 90% for the S-deplete. The second phase with the leachate treating units shows an improvement of 32-86% (depended on leachate strength) in current output as a result of adding sulphate. When leachate column MFCs were connected fluidically in series, the amount of Na2SO4 made available downstream was decreasing (increase in power was 99%, 40% and 12% for columns in cascade). Results demonstrated the beneficial effects of added sulphur sources to both activated sludge and leachate-treating MFCs. © 2012 Elsevier Inc.
Citation
Greenman, J., Gálvez, A., Ieropoulos, I., Ieropoulos, I., Gálvez, A., & Greenman, J. (2013). Effects of sulphate addition and sulphide inhibition on microbial fuel cells. Enzyme and Microbial Technology, 52(1), 32-37. https://doi.org/10.1016/j.enzmictec.2012.10.002
Journal Article Type | Article |
---|---|
Publication Date | Jan 10, 2013 |
Journal | Enzyme and Microbial Technology |
Print ISSN | 0141-0229 |
Electronic ISSN | 1879-0909 |
Publisher | Elsevier |
Peer Reviewed | Peer Reviewed |
Volume | 52 |
Issue | 1 |
Pages | 32-37 |
DOI | https://doi.org/10.1016/j.enzmictec.2012.10.002 |
Keywords | microbial fuel cells, sulphate, activated sludge, landfill leachate, sodium molybdate |
Public URL | https://uwe-repository.worktribe.com/output/935636 |
Publisher URL | http://dx.doi.org/10.1016/j.enzmictec.2012.10.002 |
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