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Original Articles

Adsorption of Chromium on Composite Microspheres of Chitosan and Nano Iron Oxide

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Pages 1661-1667 | Received 02 Jun 2010, Accepted 20 Jun 2010, Published online: 24 Oct 2011
 

Abstract

The batch removal of Cr(VI) ions from aqueous solution using binary composite microspheres of chitosan and nanoparticles of iron oxide under different conditions has been investigated in this study. The influences of initial chromium concentration, contact time, pH, temperature, and solid-liquid ratio have been reported. The adsorption data was fitted well in the Langmuir and Freundlich models and various static parameters were calculated. The mechanism of adsorption was studied by Fourier Transform Infrared spectroscopy (FTIR).

Acknowledgements

The authors are thankful to the Department of Chemistry, Govt. V. Y. T. PG. Autonomous College, Durg, India, for providing the research facilities. The authors are also grateful to the Central Drug Research Institute, Lucknow, India, for FTIR analysis of polymer samples.

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