BIODEGRADATION OF INDUSTRIAL EFFLUENTS USING SPIRULINA PLATENSIS WITH SPECIAL REFERENCE TO BOD AND FLUORIDE REMOVALM.R. MANJU AND M.N. SOUMYAAbstract The sample of industrial effluent was collected from the industrial effluent discharge site to river Periyar. The test species, a blue green alga Spirulina platensis was inoculated at different concentrations of effluent such as 10%, 20% and 50%. After 10 days treatment the effluent samples were analysed for selected physiochemical characters. The growth of Spirulina platensis was measured at every two days interval for ten days. At 20% effluent concentration the maximum biomass and BOD and fluoride removal were obtained.
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