Effect of operating temperature on performance of microbial fuel cell

The performance of dual chambered mediator-less microbial fuel cell (MFC) operated under batch mode was evaluated under different operating temperatures, ranging between 20 and 55 degrees C, with step increase in temperature of 5 degrees C. Synthetic wastewater with sucrose as carbon source having c...

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Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 64(2011), 4 vom: 11., Seite 917-22
1. Verfasser: Behera, M (VerfasserIn)
Weitere Verfasser: Murthy, S S R, Ghangrekar, M M
Format: Aufsatz
Sprache:English
Veröffentlicht: 2011
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Research Support, Non-U.S. Gov't Sewage
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520 |a The performance of dual chambered mediator-less microbial fuel cell (MFC) operated under batch mode was evaluated under different operating temperatures, ranging between 20 and 55 degrees C, with step increase in temperature of 5 degrees C. Synthetic wastewater with sucrose as carbon source having chemical oxygen demand (COD) of 519-555 mg/L was used in the study. Temperature was a crucial factor in the performance of MFCs for both COD removal and electricity production. The MFC demonstrated highest COD removal efficiency of 84% and power density normalized to the anode surface area of 34.38 mW/m2 at operating temperature of 40 degrees C. Higher VSS to SS ratio was observed at the operating temperature between 35 and 45 degrees C. Under different operating temperatures the observed sludge yield was in the range of 0.05 to 0.14 g VSS/g COD removed. The maximum Coulombic and energy efficiencies were obtained at 40 degrees C, with values of 7.39 and 13.14%, respectively. Internal resistance of the MFC decreased with increase in operating temperature. Maximum internal resistance of 1,150 omega was observed when the MFC was operated at 20 degrees C; whereas the minimum internal resistance (552 omega) was observed at 55 degrees C 
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700 1 |a Ghangrekar, M M  |e verfasserin  |4 aut 
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