Journal
BIORESOURCE TECHNOLOGY
Volume 100, Issue 18, Pages 4171-4175Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2009.02.058
Keywords
Beer brewery wastewater; Microbial fuel cell; Continuous operation; Model
Funding
- Group of Heilongjiang Science and Technology, Heilongjiang, China
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Electricity production and modeling of microbial fuel cell (MFC) from continuous beer brewery wastewater was studied in this paper. A single air-cathode MFC was constructed, carbon fiber was used as anode and diluted brewery wastewater (COD = 626.58 mg/L) as substrate. The MFC displayed an open-circuit voltage of 0.578 V and a maximum power density of 9.52 W/m(3) (264 mW/m(2)). Using the model based on polarization curve, various voltage losses were quantified. At Current density of 1.79 A/m(2), reaction kinetic loss and mass transport loss both achieved to 0.248 V; while ohmic loss was 0.046 V. Results demonstrated that it was feasible and stable for producing bioelectricity from brewery wastewater; while the most important factors which influenced the performance of the MFC are reaction kinetic loss and mass transport loss. (C) 2009 Elsevier Ltd. All rights reserved.
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