Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Adsorption Characteristics of Sr ion and Cs ion by a Novel PS-zeolite Adsorbent Immobilized Zeolite with Polysulfone

Polysulfone으로 제올라이트를 고정화한 새로운 PS-zeolite 비드에 의한 Sr 이온 및 Cs 이온의 흡착 특성

  • Lee, Chang-Han (Department of Environmental Adminstration, Catholic University of Pusan) ;
  • Park, Jeong-Min (Department of Chemical Engineering, Pukyong National University) ;
  • Kam, Sang-Kyu (Department of Environmental Engineering, Jeju National University) ;
  • Lee, Min-Gyu (Department of Chemical Engineering, Pukyong National University)
  • 이창한 (부산가톨릭대학교 환경행정학과) ;
  • 박정민 (부경대학교 화학공학과) ;
  • 감상규 (제주대학교 환경공학과) ;
  • 이민규 (부경대학교 화학공학과)
  • Received : 2015.01.27
  • Accepted : 2015.03.30
  • Published : 2015.05.30
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Abstract

The adsorption characteristics of Sr and Cs ions were investigated by using PS-zeolite beads prepared by immobilizing zeolite with polysulfone (PS). The adsorption kinetics of Sr and Cs ions by PS-zeolite beads was described well by the pseudo-second-order model. The maximum adsorption capacities of Sr and Cs ions calculated from Langmuir isotherm model were 65.0 mg/g and 76.4 mg/g, respectively. In the binary system of Sr ion and Cs ion, the adsorption capacities of each ion decreased with increasing mole ratio of mixed counterpart ion, and Cs ion showed the higher hinderance than Sr ion. We found that thermodynamic properties of Sr and Cs ions on absorption reaction were spontaneous and endothermic at 293 to 323 K.

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References

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