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Published on: September 20, 2012
Application of microbial fuel cell technology for vinasse treatment and bioelectricity generation
Cristiane Angélica Ottoni1,2, Marta F Simões3, Jonas G Santos4
1São Paulo State University (UNESP), Bioscience Institute, São Vicente, SP, 11380-972, Brazil. cristiane.ottoni@unesp.br.
Objective:
Our study evaluated the performance of different two-chambered microbial fuel cell (MFC) prototypes, operated with variable distance between electrodes and Nafion membrane and specific inoculum concentration, applied for vinasse treatment.
Results:
The performance of the developed MFC resulted in a maximum current density of 1200 mA m-2 and power density of 800 mW m-2 in a period of 61 days. MFC performed a chemical oxygen demand removal at a rate ranging from 51 to 60%.
Conclusions:
Taking our preliminary results into consideration, we concluded that the MFC technology presents itself as highly promising for the treatment of vinasse.
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