EFFECT OF PHYSICOCHEMICAL FACTORS ON BIOSORPTION OF FLUORIDE BY BACTERIA ISOLATED FROM BARATANG ISLAND – A COMPARATIVE STUDY

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V.D.S. Kumari Perumalla
Gopi.G
V.Tejeswara Rao

Keywords

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Abstract

Increased Levels Fluoride in ground water leads to adverse conditions like fluorosis. In spite of availability of several conventional methods of defluorination techniques, Biosorption methods are more feasible and have added advantages. A total of 200 bacterial strains were isolated from Baratang Island soil and subjected to primary screening out of which 16 potential isolates were identified and subjected for secondary screening with two different media, at three different temperatures, pH and incubation periods. At the end of the study 5 potential strains were identified with a maximum of 90 % adsorption. The studies suggest that these strains can be used as a potential microbial species for endemic fluoride defluoridation applications in water after complete evaluation and care. 

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