Document Detail

Optimization of a microbial fuel cell for wastewater treatment using recycled scrap metals as a cost-effective cathode material.
MedLine Citation:
PMID:  23138054     Owner:  NLM     Status:  Publisher    
Microbial fuel cell (MFC) for wastewater treatment is still hindered by the prohibitive cost of cathode material, especially when platinum is used to catalyze oxygen reduction. In this study, recycled scrap metals could be used efficiently as cathode material in a specially-designed MFC. In terms of raw power, the scrap metals ranked as follows: W/Co>Cu/Ni>Inconel 718>carpenter alloy; however, in terms of cost and long term stability, Inconel 718 was the preferred choice. Treatment performance - assessed on real and synthetic wastewater - was considerably improved either by filling the anode compartment with carbon granules or by operating the MFC in full-loop mode. The latter option allowed reaching 99.7% acetate removal while generating a maximum power of 36Wm(-3) at an acetate concentration of 2535mgL(-1). Under these conditions, the energy produced by the system averaged 0.1kWhm(-3) of wastewater treated.
Olivier Lefebvre; Zi Tan; Yujia Shen; How Y Ng
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-16
Journal Detail:
Title:  Bioresource technology     Volume:  127C     ISSN:  1873-2976     ISO Abbreviation:  Bioresour. Technol.     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-11-9     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9889523     Medline TA:  Bioresour Technol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  158-164     Citation Subset:  -    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Centre for Water Research, Department of Civil and Environmental Engineering, National University of Singapore, 1 Engineering Dr. 2, Singapore 117576, Singapore.
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