SIMULTANEOUS TREATMENT OF TANNERY WASTEWATER AND POWER GENERATION USING MICROBIAL FUEL CELLSP. SHANMUGANATHAN, A. RAMACHANDRA MURTHY AND P. RAJASULOCHANA
Tannery waste water from leather industry is considered as the most hazardous industrial effluent due to its high COD, BOD, solids content and other mutagenic chemicals. Therefore it is essential to treat the tannery effluent before it is dumped into the environment. Microbial fuel cells, an emerging technology have been proved to be efficient in the treatment of various types of waste water with efficient removal of solids contents with the help of various micro organisms along with the generation of electricity and biogas. This study deals with a novel and efficient method of application of an up- flow two chambered microbial fuel cell in the treatment of the tannery wastewater by using Escherichia coli DHÎ± along with the generation of electricity and production of hydrogen gas. From the studies, it was observed that (i) production of electricity is higher with the increase of COD concentration (ii) production of electricity is relatively more in third day compared to first two days and (iii) there is no much variation in the production of electricity with time in a particular day.
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