Volume 4, Issue 4 (2 2012)                   ijhe 2012, 4(4): 385-400 | Back to browse issues page

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Malakootian M, Amin M M, Jaafari Mansourian H, Jaafarzadeh N. Electricity Production through Treatment of Simulated Wastewater of Food Industries Using Dual Chamber Microbial Fuel Cell (MFC) with Nafions Membrane. ijhe. 2012; 4 (4) :385-400
URL: http://ijhe.tums.ac.ir/article-1-45-en.html
Abstract:   (6605 Views)

Background and Objectives: Microbial fuel cells are the electrochemical exchangers that convert the microbial reduced power, generated via the metabolism of organic substrate, to electrical energy. The aim of this study is to find out the rate of produced electricity and also treatment rate of simulated wastewater of food industries using dual chamber microbial fuel cell (MFC) without mediator and catalyst.
Materials and Methods: MFC used in this study was consisted of two compartments including anaerobic anode chamber containing simulated food industries wastewater as synthetic substrate and aerobic cathode chamber containing phosphate buffer, respectively. These two chambers were separated by proton exchange membrane made of Nafion. Produced voltage and current intensity were measured using a digital ohm meter and the amount of electricity was calculated by Ohm's law. Effluent from the anode compartment was tested for COD, BOD5, NH3, P, TSS, VSS, SO42- and alkalinity  in accordance with the Standard Methods
Results: In this study, maximum current intensity and power production at anode surface in the OLR of 0.79 Kg/m3.d were measured as 1.71 mA and 140 mW/m2, respectively. The maximum voltage of 0.422 V was obtained in the OLR of 0.36 Kg/m3.d. The greatest columbic efficiency of the system was 15% in the OLR of 0.18 Kg/m3.d. Maximum removal efficiency of COD, BOD5, NH3, P, TSS, VSS, SO42- and alkalinity, were obtained 78, 72, 66, 7, 56, 49, 26 and 40%, respectively.
Conclusion: The findings showed that the MFC can be used as a new technology to produce electricity from renewable organic materials and for  the treatment of different municipal and industrial wastewaters such as food industries.

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Type of Study: Research | Subject: General
Received: 2011/06/7 | Accepted: 2011/08/6 | Published: 2013/07/9

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