Mn2+ and Co2+ Removal from Dilute Solution Using Cysteine Grafted Cobalt/Manganese Imprinted Crosslinked Chitosan

Fa Bang Liu; Ming Chun Jia; Jin Feng Men; Xiao Wei Wang

doi:10.4028/www.scientific.net/AMM.751.44

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Mn²⁺ and Co²⁺ Removal from Dilute Solution Using Cysteine Grafted Cobalt/Manganese Imprinted Crosslinked Chitosan
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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 751Mn2+ and Co2+ Removal from Dilute Solution Using...

Mn²⁺ and Co²⁺ Removal from Dilute Solution Using Cysteine Grafted Cobalt/Manganese Imprinted Crosslinked Chitosan

Abstract:

Several kinds of spherical cysteine grafted cobalt/manganese imprinted crosslinking chitosan spheres were synthesized for Mn²⁺ and Co²⁺ removal, in which Mn²⁺ and Co²⁺ were used separately or together as imprinting ions. Structures of the adsorbents were analyzed utilizing the techniques of SEM and FTIR. The effects of initial pH, contact time, presence of other cations, initial Mn²⁺ and Co²⁺ concentration on adsorption were investigated. Furthermore, adsorption kinetics and isotherm were studied, which showed sorption data fitted to pseudo-second-order and Langmuir models for both Mn²⁺ and Co²⁺. The overall results indicated the possibility of using Cys–Co/Mn–CCTS–2 for efficient removal of Mn²⁺ and Co²⁺ from dilute low-level radioactive liquid waste.

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Periodical:

Applied Mechanics and Materials (Volume 751)

Pages:

44-50

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.751.44

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Online since:

April 2015

Authors:

Fa Bang Liu*, Ming Chun Jia, Jin Feng Men, Xiao Wei Wang

Keywords:

Chitosan, Comparative Adsorption, Cysteine, Decontamination, Imprinting

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