Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Removal of Sr and Cs ions by SAN-Zeolite Beads Prepared by Immobilization of Zeolite with SAN

제올라이트를 SAN으로 고정화한 SAN-Zeolite 비드에 의한 Sr과 Cs 이온 제거

  • Lee, Chang-Han (Department of Environmental Adminstration, Catholic University of Pusan) ;
  • Kam, Sang-Kyu (Department of Environmental Engineering, Jeju National University) ;
  • Lee, Min-Gyu (Department of Chemical Engineering, Pukyong National University)
  • 이창한 (부산가톨릭대학교 환경행정학과) ;
  • 감상규 (제주대학교 환경공학과) ;
  • 이민규 (부경대학교 화학공학과)
  • Received : 2015.07.10
  • Accepted : 2015.09.09
  • Published : 2015.11.30
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Abstract

The removal of Sr ion and Cs ion was investigated to evaluate adsorption properties by using SAN-Zeolite beads immobilized with styrene acrylonitrile (SAN). The adsorption capacities increased with the decrease of SAN/zeolite ratio (SAR) from 2.5 to 0.83. The relationship of adsorption capacity ($q_e$) and SAR was described by experimental equation such as $q_e=20.88+137.81e^{-1.96SAR}$ ($r^2=0.9980$). The adsorption kinetics of Sr ion and Cs ion with SAN-Zeolite beads were fitted well by the pseudo-second-order model. The maximum adsorption capacities of Sr ion and Cs ion calculated from Langmuir isotherm model were 66.97 mg/g and 81.97 mg/g, respectively.

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