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Research Journal of Environmental Sciences
  Year: 2010 | Volume: 4 | Issue: 1 | Page No.: 1-12
DOI: 10.3923/rjes.2010.1.12
 
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Adsorption Kinetics: Bioremoval of Trivalent Chromium from Tannery Effluent by Aspergillus sp. Biomass

I. Sharma and D. Goyal

Abstract:
Removal of trivalent chromium from tannery effluent by microbial biomass generated from fermentation industry was carried out. Adsorption studies were conducted in batch mode at different adsorbent dosage, pH, initial concentration and contact time. The 94.6 and 64.48% of Cr (III) removal from aqueous solution and tannery effluent was observed at pH 4 by 1% adsorbent dosage, respectively. A comparison of kinetic models and correlation coefficient (R2 = 0.998) indicated that Ho and Mckay kinetic model correlates well with the experimental kinetic data. The surface properties of the adsorbent before and after chromium sorption were characterized by X-ray diffraction and infrared technique. It was concluded that Cr (III) is significantly removed by Aspergillus biomass and can be used economically for the removal of Cr (III) from aqueous solution and tannery effluent.
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How to cite this article:

I. Sharma and D. Goyal, 2010. Adsorption Kinetics: Bioremoval of Trivalent Chromium from Tannery Effluent by Aspergillus sp. Biomass. Research Journal of Environmental Sciences, 4: 1-12.

DOI: 10.3923/rjes.2010.1.12

URL: https://scialert.net/abstract/?doi=rjes.2010.1.12

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