A rapid selection strategy for an anodophilic consortium for microbial fuel cells
KAUST Grant NumberKUS-I1-003-13
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AbstractA rapid selection method was developed to enrich for a stable and efficient anodophilic consortium (AC) for microbial fuel cells (MFCs). A biofilm sample from a microbial electrolysis cell was serially diluted up to 10-9 in anaerobic phosphate buffer solution and incubated in an Fe(III)-acetate medium, and an Fe(III)-reducing AC was obtained for dilutions up to 10-6. The activity of MFC inoculated with the enrichment AC was compared with those inoculated with original biofilm or activated sludge. The power densities and Coulombic efficiencies of the AC (226 mW/m2, 34%) were higher than those of the original biofilm (209 mW/m2, 23%) and activated sludge (192 mW/m2, 19%). The start-up period of the AC (60 h) was also shorter than those obtained with the other inocula (biofilm, 95 h; activated sludge, 300 h). This indicated that such a strategy is highly efficient for obtaining an anodophilic consortium for improving the performance of an MFC. © 2010 Elsevier Ltd.
CitationWang A, Sun D, Ren N, Liu C, Liu W, et al. (2010) A rapid selection strategy for an anodophilic consortium for microbial fuel cells. Bioresource Technology 101: 5733–5735. Available: http://dx.doi.org/10.1016/j.biortech.2010.02.056.
SponsorsWe gratefully acknowledge the support of the National Natural Science Foundation of China (Nos. 50678049, 50878062 and 50638020), and Award KUS-I1-003-13 from the King Abdullah University of Science and Technology (KAUST).
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