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Bioelectricity generation using two chamber microbial fuel cell treating wastewater from food processing

Paper ID Volume ID Publish Year Pages File Format Full-Text
17094 42640 2013 6 PDF Available
Title
Bioelectricity generation using two chamber microbial fuel cell treating wastewater from food processing
Abstract

•MFC used in present study is of two-compartment type that was separated by PEM.•Effluent from the anode compartment was tested for COD, BOD5, NH3, P, TSS, VSS, etc.•The maximum current density and power production were measured 527 mA/m2 and 230 mW/m2.•The maximum removal efficiency of TSS, VSS, SO4 and ALK was 68, 62, 30 and 58, respectively.•The maximum removal efficiency of COD, BOD5, NH3, P was 86, 79, 73, 18%, respectively.

Electricity generation from microbial fuel cells which treat food processing wastewater was investigated in this study. Anaerobic anode and aerobic cathode chambers were separated by a proton exchange membrane in a two-compartment MFC reactor. Buffer solutions and food industry wastewater were used as electrolytes in the anode and cathode chambers, respectively. The produced voltage and current intensity were measured using a digital multimeter. Effluents from the anode compartment were tested for COD, BOD5, NH3, P, TSS, VSS, SO4 and alkalinity. The maximum current density and power production were measured 527 mA/m2 and 230 mW/m2 in the anode area, respectively, at operation organic loading (OLR) of 0.364 g COD/l.d. At OLR of 0.182 g COD/l.d, maximum voltage and columbic efficiency production were recorded 0.475 V and 21%, respectively. Maximum removal efficiency of COD, BOD5, NH3, P, TSS, VSS, SO4 and alkalinity were 86, 79, 73, 18, 68, 62, 30 and 58%, respectively. The results indicated that catalysts and mediator-less microbial fuel cells (CAML-MFC) can be considered as a better choice for simple and complete energy conversion from the wastewater of such industries and also this could be considered as a new method to offset wastewater treatment plant operating costs.

Keywords
Bioelectricity; Microbial fuel cell; Wastewater treatment; Food processing bioconversion; Bioreactors
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Bioelectricity generation using two chamber microbial fuel cell treating wastewater from food processing
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Publisher
Database: Elsevier - ScienceDirect
Journal: Enzyme and Microbial Technology - Volume 52, Issues 6–7, 10 May 2013, Pages 352–357
Authors
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Subjects
Physical Sciences and Engineering Chemical Engineering Bioengineering
Get Full-Text Now
Don't Miss Today's Special Offer
Price was $35.95
You save - $31
Price after discount Only $4.95
100% Money Back Guarantee
Full-text PDF Download
Online Support
Any Questions? feel free to contact us