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http://dx.doi.org/10.11001/jksww.2013.27.4.489

Effects of operating parameters on the performance of continuous flow microbial fuel cell  

Chung, Jae-Woo (Department of Environmental Engineering, Green Technology Institute, Gyeongnam National University of Science and Technology)
Choi, Young-Dae (Department of Environmental Engineering, Green Technology Institute, Gyeongnam National University of Science and Technology)
Lee, Myoung-Eun (Department of Environmental Engineering, Green Technology Institute, Gyeongnam National University of Science and Technology)
Song, Young-Chae (Department of Environmental Engineering, Korea Maritime University)
Woo, Jung-Hui (Department of Environmental Engineering, Korea Maritime University)
Yoo, Kyu-Seon (Department of Civil and Environmental Engineering, Jeonju University)
Lee, Chae-Young (Department of Civil Engineering, The University of Suwon)
Publication Information
Journal of Korean Society of Water and Wastewater / v.27, no.4, 2013 , pp. 489-494 More about this Journal
Abstract
Effects of operating parameters such as hydraulic retention time(HRT), recycle ratio and influent COD concentration on the performance of a continuous flow microbial fuel cell(MFC) were investigated. Decrease of HRT improved mass transfer of substrate to electrogenic microorganisms, therefore resulting in increased electrode voltage and power generation of MFC. Increase of HRT promoted COD removal by elongating retention time for COD removal in MFC. Recycling of effluent increased the COD removal and coulombic efficiencies by returning suspended microorganisms into MFC. Increase of influent COD enhanced COD removal due to the improved mass transfer of substrate. Decrease of coulombic efficiency by the increase of the HRT and influent COD concentration indicated that they enhanced the activities of fermentative bacteria.
Keywords
continuous flow MFC (microbial fuel cell); electricity generation; hydraulic retention time; recycle ratio; influent COD concentration;
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Times Cited By KSCI : 3  (Citation Analysis)
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