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Preparation and Adsorption Performance of Cu (II)-Imprinted ALG-CTS Complex Microspheres

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Abstract:

We prepared alginate-chitosan (ALG-CTS) complexes through ionic interaction, and then obtained Cu (II)-imprinted alginate-chitosan complex microspheres (Cu-ALG-CTS) by coupling with ionic imprinting technology. To investigate the effects of experimental conditions on adsorption behavior, we performed a series of experiments including changing the initial concentration of Cu (II) ions and adsorption time. We found that the adsorption capacity increases with the initial concentration of Cu (II) ions. The Cu (II) ions adsorption reaches the maximum of 70.54mg/g after adsorbing for 13h when the initial concentration of Cu (II) ions is 60μg/ml. Cu-ALG-CTS shows much higher adsorption for Cu (II) ions than Zn (II) ions. And the adsorption kinetics and equilibrium adsorption isotherm were further studied.

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Periodical:

Applied Mechanics and Materials (Volumes 268-270)

Pages:

229-232

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.268-270.229

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Online since:

December 2012

Authors:

Wei Ying Zhang, Dan Chen, Xiao Li, Xiao Guang Ying

Keywords:

Adsorption, Alginate, Chitosan, Cu (II)-Imprinted Complex Microspheres

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© 2013 Trans Tech Publications Ltd. All Rights Reserved

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