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標題: Comparative bioelectricity production from various wastewaters in microbial fuel cells using mixed cultures and a pure strain of Shewanella oneidensis
作者: Nimje, V.R.
Chen, C.Y.
Chen, H.R.
Chen, C.C.
Huang, Y.M.
Tseng, M.J.
Cheng, K.C.
Chang, Y.F.
關鍵字: Microbial fuel cell;Wastewater;Endogenous microbe;Shewanella;oneidensis;Inocula;electricity-generation;geobacter-sulfurreducens;loading rate;biofilms;electron;putrefaciens;cellulose;biomass
Project: Bioresource Technology
期刊/報告no:: Bioresource Technology, Volume 104, Page(s) 315-323.
Current and power density from four wastewaters, agriculture (AWW), domestic (DWW), paper (PWW), and food/dairy (FDWW), were comparatively evaluated in combination with three inocula: wastewater endogenous microbes (MFC1), Shewanella oneidensis MR-1 (MFC2), and wastewater endogenous microbes with MR-1 (MFC3) in single chamber microbial fuel cells (MFC). Using AWW (0.011 mA/cm(2): 0.0013 mW/cm(2)) and DWW (0.017 mA/cm(2); 0.0036 mW/cm(2)), MFC2 was the best candidate providing the maximum current, whereas AWW-MFC1 and DWW-MFC1 were unable to construct a well-established MFC. FDWW produced a maximum current from MFC3 (0.037 mA/cm(2); 0.015 mW/cm(2)), and confirmed the unsuitability of MFC2 at an alkaline pH. FDWW-MFC3 also performed best with the highest substrate degradation and coulombic efficiency. Mixed culture in MFC3 resulted in higher current generation under the influence of MR-1 (except in PWW), indicating the endogenous microbes were not solely responsible for the current but the outperformance was significantly attributed to the association of MR-1. (C) 2011 Elsevier Ltd. All rights reserved.
ISSN: 0960-8524
DOI: 10.1016/j.biortech.2011.09.129
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