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|Title:||Microbial fuel cells demonstrate high coulombic efficiency applicable for water remediation|
Masih, Sam A
<i style="">E. coli</i>
|Abstract:||Microbial fuel cells (MFCs) convert biomass into electricity by the metabolic activity of microorganisms and are also used for remediation and water treatment. Power output was compared for a dual chambered membrane MFC using either <i style="">E. coli </i>or two Yamuna river samples, Yamuna (before the Sangam region)—slow flow (sample 1) and Sangam region —fast flow (sample 2). <i style="">E. coli</i> and the two river water samples 1 and 2 gave a maximum voltage of 779, 463 and 415 mV respectively. Using <i style="">E. coli</i> the maximum power density obtained with a 100 Ω resistor was 220.66 mW/cm<sup>2</sup> and the highest power generated 6068.41 mW. The results demonstrate <i style="">E. coli,</i> river sample 1 and river sample 2 have a comparable coulombic efficiency of 85.2, 71 and 77% respectively when using 0.4% sucrose as substrate. The decrease in chemical oxidative demand of all river water samples using MFC technology demonstrates efficient remediation of inland water.|
|ISSN:||0975-1009 (Online); 0019-5189 (Print)|
|Appears in Collections:||IJEB Vol.50(06) [June 2012]|
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