Optimization of Chromium Removal by the Indigenous Bacterium Bacillus spp. REP02 Using the Response Surface Methodology

An indigenous bacterium, Bacillus REP02, was isolated from locally sourced chromium electroplating industrial effluents. Response surface methodology was employed to optimize the five critical medium parameters responsible for higher % Cr2+ removal by the bacterium Bacillus REP02. A three-level Box-...

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Bibliographic Details
Published in:ISRN microbiology 2011, Vol.2011 (2011), p.1-9
Main Authors: Venil, C. K., Mohan, V., Lakshmanaperumalsamy, P., Yerima, M. B.
Format: Article
Language:English
Subjects:
Bacillus
Bacteria
Chromium
Efficiency
Effluents
Methods
Microbiology
Microorganisms
Optimization
Variables
Yeast
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Summary:An indigenous bacterium, Bacillus REP02, was isolated from locally sourced chromium electroplating industrial effluents. Response surface methodology was employed to optimize the five critical medium parameters responsible for higher % Cr2+ removal by the bacterium Bacillus REP02. A three-level Box-Behnken factorial design was used to optimize K2HPO4, yeast extract, MgSO4, NH4NO3, and dextrose for Cr2+ removal. A coefficient of determination (R2) value (0.93), model F-value (3.92) and its low P-value (F
ISSN:2090-7478
2090-7486
DOI:10.5402/2011/951694