Evaluation of catalytic efficiency of extracted iron from biosynthesized jarosite in the Fenton’s oxidation of an herbicide Dicamba

Bhaskar, S. and Manu, B. and Sreenivasa, M. Y. (2019) Evaluation of catalytic efficiency of extracted iron from biosynthesized jarosite in the Fenton’s oxidation of an herbicide Dicamba. International Journal of Science and Innovative Engineering & Technology, 7.

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Abstract

Iron extracted with acid digestion method from bacteriologically synthesized jarosite using an isolated strain Acidithiobacillus ferrooxidans BMSNITK17 was investigated for its catalytic role in the Fenton’s oxidation of an herbicide dicamba. On Fenton’s oxidation dicamba was degraded up to 86.45 % with the COD removal of 74.5 % within 2 hours of treatment with pseudo first order kinetics curve best fit. The increase in degradation efficiency with increase in extracted iron dosage from 20 mg/L to 35 mg/L with different H2O2 dosage (200 mg/L – 350 mg/L) indicates its catalytic role in the production of hydroxyl radicals which targets the pollutant. Jarosite being naturally available at most of the acid mine drainage which habitats the acidophilic iron oxidizing bacteria the current study promises the use of naturally available iron as catalyst in the Fenton’s treatment of organic pollutants.

Item Type: Article
Subjects: B Life Science > Microbiology
Divisions: Department of > Microbiology
Depositing User: Arshiya Kousar
Date Deposited: 05 Oct 2019 11:26
Last Modified: 05 Oct 2019 11:26
URI: http://eprints.uni-mysore.ac.in/id/eprint/8761

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