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Study of Adsorption of Cu2+ and Ni2+ from Aqueous Solutions Using β-Cyclodextrin Modified Zeolites
Abstract:
Adsorption of Cu2+ and Ni2+ from aqueous solution on CCDMZ was investigated. The adsorption capacity of Cu2+ and Ni2+ on CCDMZ was found to have a much higher enhance than that of NZ and to be obviously influenced by contact time, initial concentration and pH. The kinetic studies showed that the adsorption processes of Cu2+ and Ni2+ on CCDMZ were complex, including chemical adsorption and physical adsorption. The adsorption followed the pseudo-second-order model, which suggested that the rate-limiting step might be mainly chemisorption.
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3509-3513
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June 2014
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© 2014 Trans Tech Publications Ltd. All Rights Reserved
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