Abstract
Arsenic in the water bodies being a serious menace for human and living organisms. To tackle this arsenic contaminant, a series experiments were conducted on biosorption of arsenic using isolated from soil and water sample of Taptapani Hotspring of Odisha, India. Out of the various collected microorganisms three isolates viz. Exiguobacterium sp.(SSB11), Alcaligenesfaecalis DZ2(SSB17) and Lysinibacillussphaericus SI-3(SSB58) possess better affinity towards heavy metals. By exploring this, the consortium of these microorganisms was chosen for bioremediation of As(III) from waste water. As revealed from experiments, the maximum adsorption capacity of the consortium isolates were observed to be 51 g/g. Further, the biosorption kinetics were tested with two robust isotherms viz. Freundlich and Langmuir, thereby revealing better agreement with the Freundlich isotherm.
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