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Proceedings of the International Academy of Ecology and Environmental Sciences, 2018, 8(3): 194-203
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Article

Developing and testing lab scale microbial fuel cell for energy harvesting from wastewater

Arfan Arshad1, Allah Bakhsh1, Sikandar Ali1, Abdullah Azzam1, Muhammad Adnan Shahid3, Zaheer Asghar2, Muhammad Awais Zaman1
1Department of Irrigation and Drainage, University of Agriculture, Faisalabad, Pakistan
2Department of Structures and Environmental Engineering, University of Agriculture Faisalabad, Pakistan
3Water Management Research Center, University of Agriculture, Faisalabad, Pakistan

Received 1 May 2018;Accepted 28 May 2018;Published 1 September 2018
IAEES

Abstract
Bioelectricity can be harvested from organic substrates using Microbial Fuel Cells (MFC) that operate on the principle of oxidation reduction (redox) reactions. MFCs are devices which convert chemical energy into electrical energy by oxidation process of various organic wastes. MFCs produce electricity in the presence of microorganisms from biodegradable substances. This research explores the application of double chamber MFC in generating electricity using tab water and waste water mixed with slurry. Salt NaCl, egg and tomato were used as protein exchange membrane in salt bridge and voltage was recorded at the interval of 16hr with the help of multimeter. Maximum voltage recorded at 32hr using salt NaCl, tomato and egg was 154 mV, 195 mV and 240 mV. Based on the result of different types of exchange membranes it was found that the average voltage generated with egg as exchange membrane was 1.35 mV and 1.25 mV times greater as compared to tomato and salt NaCl. This study suggested that microbial fuel cell is applicable for energy harvesting.

Keywords microbial fuel cell;voltage;salt bridge;electrodes.


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