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Paper Details

Isotherm Models for Chromium Biosorption by Live& Dead Biomass of Bacillus Subtilis & Saccharomyces Cerevisiae

Megha Verma, Meenakshi Sati, J.P.N.Rai

Journal Title:
Abstract


Chromium pollution by industrial effluents is one of the significant environmental concerns due to its toxic nature and accumulation in food chain as non-biodegradable pollutant. In this study, live and dead biomass of Bacillus subtilis and Saccharomyces cerevisiae was assessed for its efficiency to remove chromium(VI) from aqueous solutions. The live and dead biomass has the maximum biosorption capacity of 60.02% &70.80% for B. subtilis and 89.78% & 99.74% for S. cerevisiae at 50ppm initial chromium concentration. The biosorption of Cr(VI) is well described by Langmuir isotherm, which denotes the monolayer adsorption in the experimental conditions. The result indicated that S. cerevisiae has highest metal (Cr) tolerance and biosorption capacity.

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