Pollution Research Paper

Vol 38, November Suppl Issue; Page No.(77-83 )

BIOELECTRICITY GENERATION FROM INDUSTRIAL EFFLUENT THROUGH ACTINOBACTERIAL FUEL CELLS

M. SANGEETHA, B. SURYA, A. SIVARAJAN, M. RADHAKRISHNAN, J. JERRINE AND R. BALAGURUNATHAN

Abstract

Microbial fuel cells (MFCs) are considered as the futuristic energy device that can generate electricity from the microbial catalytic degradation of biodegradable organic waste present in effluents. Actinobacteria can be used as MFC for electricity production, since it is not only renewable sources but it also enables remediation of industrial effluents. The present study was undertaken to makes an attempt on screening and optimization of the electricity generation, by MFC using industrial effluents. The positive strain from oxidative fermentation test was used for MFC production. The production of actinobacterial biomass optimized with various substrates. The five different industrial effluents were used in anode compartment and in cathode compartment potassium ferric cyanide and phosphate buffer saline was used. The two compartments were joined with optimized 1M KCl salt bridge for the electron and oxygen transfer. The actinobacterial strain SM4, produced 0.65 V, 0.63 V, 0.63 V, 0.45 V and 0.32V on sludge, sago, dairy, chocolate and mango effluents respectively at 96 hrs. The maximum level of power production was observed 770 mV on 96 hrs of incubation in the sludge waste. The potential strain (SM4) Streptomyces sp acts as a prime candidate for the development as MFC in electric power generation technology.

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