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Adsorption characteristic of uranium(VI) on OenNtn synthetic resin with styrene  

Kim, Joon-Tae (Dept. of Chemistry, Chosun University)
Publication Information
Journal of environmental and Sanitary engineering / v.23, no.2, 2008 , pp. 47-53 More about this Journal
Abstract
The ion exchange resins have been synthesized from chloromethyl styrene (dangerous matter) 1, 4-divinylbenzene(DVB) with 1%, 5%, and 15%-crosslinked and macrocyclic ligand of cryptand type by copolymerization method and the adsorption of uranium(VI), cobalt(II) and europium(III) ions have been investigated in various experimental conditions. The correlation between the adsorption characteristics of rare earths and transition metal on the resins and stability constants of complexes with macrocyclic ligand have been examined. The uranium ion was not adsorbed on the resins below pH 2.0, but the power of adsorption of uranium ion increased rapidly above pH 3.0. The adsorption power was in the order of 1%, 5% and 15%-crosslinked resin, but adsorptive characteristics of resins decreased in proportion to the order of dielectric constants of solvents.
Keywords
styrene; 1, 4-divinylbenzene(DVB); crosslink; macrocyclic ligand;
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