Advances in environmental research

  • 제6권4호
  • /
  • Pages.301-315
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  • 2017
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  • 2234-1722(pISSN)
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  • 2234-1730(eISSN)
테크노프레스 (Techno-Press)
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The adsorption-desorption behavior of strontium ions with an impregnated resin containing di (2-ethylhexyl) phosphoric acid in aqueous solutions

  • Kalal, Hossein Sid (Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, AEOI) ;
  • Khanchi, Ali Reza (Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, AEOI) ;
  • Nejatlabbaf, Mojtaba (Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, AEOI) ;
  • Almasian, Mohammad Reza (Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, AEOI) ;
  • Saberyan, Kamal (Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, AEOI) ;
  • Taghiof, Mohammad (Materials and Nuclear Fuel Research School, Nuclear Science and Technology Research Institute, AEOI)
  • 투고 : 2017.11.08
  • 심사 : 2018.01.29
  • 발행 : 2017.12.25
⟨ 이전 논문 다음 논문 ⟩

초록

An Amberlite XAD-4 resin impregnated with di(2-ethylhexyl)phosphoric acid was prepared and its adsorption-desorption behaviors with Sr(II) ions under various conditions was examined. The resin was characterized by fourier transform infrared and thermal analysis techniques. The effects contact time, temperature, pH, interfering ions and eluants were studied. Results showed that adsorption of Sr (II) well fitted with pseudo-second-order kinetic model. The equilibrium adsorption data of Sr (II) on the impregnated resin were analyzed by Jossens, Weber-van Vliet, Redlich-Peterson and Fritz-Schlunder models to find out desirable equilibrium condition. Among them, the Fritz-Schlunder model best fitted to the experimental data. The maximum sorption capacity of impregnated resin amounted to 0.45 mg/ g at pH 8.0 and $20^{\circ}C$.

키워드

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