Abstract
The need for alternate eco-friendly fuel is increas ing rapidly with the depletion of non-renewable ene rgy resources. Microbial fuel cells (MFCs) represent a new form of renewable ener gy, which converts organic matter into electricity with the help of bacteria present in wastewater, while simultaneously treatin g the wastewater. In the present study single chamb er (MFC-1) and double chambered (MFC-2) MFCs were compared for domestic a nd dairy wastewater treatment and electricity gener ation. MFC-1 was proved to be more efficient and found to be produci ng maximum current of 0.84 mA and 1.02mA whereas MF C-2 produced maximum current of 0.56mA and 0.58mA from full strength (10 0%) domestic and dairy wastewater concentrations re spectively. COD removal efficiency achieved in MFC-2 was 88.4% and 86.42% f or 100% domestic and dairy wastewater concentration s respectively when compared with MFC-1 which attained 86.6% and 84.8% respectively for 100% domestic and dairy wastewater concentrations respectively. The performance of MFC-1 and MFC-2 de creased, when the wastewater concentration was decr eased from 100% to 75% and 50% concentrations.
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