Abstract
A microbial fuel cell (MFC) is a device that converts bio-chemical energy into electrical energy during substrate oxidation with the aid of microorganisms (bacteria). The energy contained in waste water is converted to the electrical power by the action of bacteria. The principle of MFC is to transfer electrons from the microorganisms to electron acceptor at a higher electrochemical potential. An experimental study was performed to find the most efficient industrial waste water that can produce highest and stable electrical power by the MFC and to determine the removal rate of pollutant from the waste water by the MFC. Two MFC, namely one PEM MFC and two PEM FMC, has been fabricated for this study. The three different waste water samples used were Dyeing Waste Water-1 (DWW-1), Dairy Industry Waste Water (DIWW) and Dyeing Waste Water-2 (DWW-2). The highest rate of voltage generation is achieved when the MFC was operated with DWW-1 (1.06 V), DIWW (0.95 V) and DWW-2(0.644 V), respectively. Based on the graph pattern the DWW-1 provided the best record in terms of electrical energy generation.
Highlights
In globalization era, people faces energy insecurity and climate change due to depletion of non-renewable energy and global warming
In this case copper electrode were used in both anode and cathode side. 0.2 mA stable current was found by one Proton Exchange Membranes (PEM) microbial fuel cell (MFC)
The voltages found using one PEM were found small than that found by two PEM MFC
Summary
People faces energy insecurity and climate change due to depletion of non-renewable energy and global warming. In present situation of the world, most of the energy comes from non-renewable energy sources. The source of non-renewable energy are limited. After certain time non-renewable energy will be finished. Everyday researcher try to find the new sustainable, renewable and alternative sources of energy. There are lot of renewable energy sources found by the researcher. Microbial Fuel Cell is one of them. It’s a promising technology to meet increasing energy needs using wastewaters as substrates for producing electricity and wastewater treatment[1]. MFC does not use commercially due to low power generation and its high cost [2]. Researcher always try to overcome this limitation for development the performance and commercialization of MFCs
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