Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 35, Issue 11, Pages 5681-5686Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2010.03.048
Keywords
Earthen cylinder MFC; Microbial fuel cell; Organic loading rate; Power density; Proton exchange membrane MFC
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Funding
- Ministry of Environment and Forest, Government of India [19-35/2005-RE]
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Continuous bioelectricity generation was studied in a novel up-flow bio-cathode microbial fuel cell (MFC). The performance of MFC-1, employing commercially available proton exchange membrane (PEM), was evaluated under different organic loading rates (OLRs). Maximum volumetric power density of 10.04 W m(-3) was obtained in MFC-1 at the OLR of 0.923 kg COD m(-3) d(-1). Overall chemical oxygen demand (COD) removal efficiency more than 90% was achieved under all the OLRs. The performance of MFC-1 was compared with MFC-2, in which the inner anode chamber was made up of earthen cylinder, without employing polymer membrane. MFC-2 generated maximum volumetric power density of 14.59 W m(-3) at OLR of 0.923 kg COD m(-3) d(-1), which was 46% higher than that produced in MFC-1. The internal resistance of MFC-1 (96 Omega) was higher than MFC-2 (69 Omega). The earthen cylinder MFC demonstrated better COD removal and power generation than the MFC employing PEM. (C) 2010 Professor T. Nejat Veziroglu. Published by Elsevier Ltd. All rights reserved.
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