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Removal of Hexavalent Chromium from Aqueous Solutions by Ion-Exchange Resin

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Abstract:

The adsorption of hexavalent chromium [Cr(VI)] from aqueous solutions using weakly basic ion-exchange resin D301 was studied in this work. The result showed that the adsorption of Cr(VI) was strongly dependent on pH, the optimum condition was investigated at pH 2 and the maximum adsorption capacity was 247.71 mg g-1. The equilibrium datas were fitted well with Langmuir and Redlich–Peterson isotherm models. The pseudo-second-order rate equation was best represented by the adsorption process.

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Periodical:

Advanced Materials Research (Volumes 550-553)

Pages:

2333-2337

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.550-553.2333

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Online since:

July 2012

Authors:

Zhen Yu Li, Shuang Hu

Keywords:

Adsorption, Hexavalent Chromium, Isotherm, Kinetic

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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