Journal of the Korean Chemical Society (대한화학회지)

Korean Chemical Society (대한화학회)
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Synthesis of 8-HQR and 8-HQRS Chelate Resins and It's Ion Exchange Properties

8-HQR 및 8-HQRS 킬레이트 수지의 합성과 그의 이온교환 성질

  • Dong Won Kim (Department of Chemistry, College of Natural Science, Chungbuk National University) ;
  • Kong Soo Kim (Department of Chemical Engeineering, College of Engineering, Chungbuk National University) ;
  • Hong Soo Kim (Department of Chemical Engeineering, College of Engineering, Chungbuk National University)
  • 김동원 (충북대학교 자연과학대학 화학과) ;
  • 김공수 (충북대학교 공과대학 화학공학과) ;
  • 김홍수 (충북대학교 공과대학 화학공학과)
  • Published : 1986.02.20
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Abstract

8-Hydroxyquinoline-resorcinol(8-HQR) and 8-hydroxyquinoline-resorcinol-salicylic acid (8-HQRS) chelate resins were prepared by the condensation reaction of 8-hydroxyquinoline, or 8-hydroxyquinoline-salicylic acid, in the presence of resorcinol with formaldehyde. The ion exchange capacities of 8-HQR and 8-HQRS resins were 4.1 meq/g and 5.4 meq/g, respectively. The adsorption and distribution coefficient of metal ions, such as Fe(III), Cu(II), Pb(II), Co(II) and Ni(II) on these resins were discussed. The adsorption of metal ions on these chelate resins showed that the maximum adsorption condition is pH 7. And the distribution coefficient of metal ions on these resins was increased with decreasing of hydrochloric acid concentration.

8-히드록시퀴놀린, 또는 8-히드록시퀴놀린-살리실산을 모체로 하고, 레졸신을 가교제로 하여 그것들을 포름알데히드와 축중합시켜, 8-히드록퀴놀린-레졸신(8-HQR) 및 8-히드록시퀴놀린-레졸신-살리실산(8-HQRS)킬레이트 수지를 합성하였다. 8-HQR 및 8-HQRS수지의 이온교환용량은 각각 4.1 meq/g 및 5.4 meq/g이었다. 이들 수지에 대한, Fe(III), Cu(II), Pb(II), Co(II) 및 Ni(II)금속이온들의 흡착과 분포계수에 대하여 논의하였다. 이들 킬레이트 수지들에 대한 금속이온들의 흡착은, pH=7에서 가장 크게 나타났다. 그리고 이들 금속이온들의 분포계수는, 염산의 농도가 감소함에 따라 증가하였다.

Keywords

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