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Studies on the Synthesis of Aminated PP-g-GMA Fibrous ion Exchanger by E-beam Pre-irradiation and Their Properties of Selective Adsorption for $NO_{3}  ^{-}$  

황택성 (충남대학교 화학공학과)
이선아 (충남대학교 화학공학과)
이면주 (한국원자력연구소 방사선환경안전연구팀)
Publication Information
Polymer(Korea) / v.26, no.2, 2002 , pp. 153-159 More about this Journal
Abstract
In order to remove $NO_3;^-$ ion from ground-water, fibrous ion -exchangers, APP-g-GMA, were synthesized by GMA grafting onto PP trunk polymer with E-beam accelerator for pre-irradiation. Their degrees of grafting and amination yield increased up to $60^{\circ}C$ and showed maximum values as 133%, 88%, respectively. And their swelling ratio and ion exchange capacity at the maximum values are 86%, 2.5 meq/g, respectively which was higher than commercial ion-exchangers such as IMAC HP555 and Amberlite IRA 400. Optimum adsorption condition of $NO_3;^-$ ion was measured at pH 5~6 and -Cl form of APP-g-GMA containing trimethylammonium group showed the highest adsorption capacity.
Keywords
nitrate; N$NO_{3}  ^{-}$; selectivity coefficient; fabric ion exchanger; E-beam;
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