Capacity of Oil Cake Ion Exchanger

깻묵 이온교환체의 이온교환능

  • Dong Won Kim (Department of Chemistry, College of Natural Sciences, Chungbuk National University) ;
  • Hae Young Song (Department of Educational Chemical Engineering, Chungnam National University) ;
  • Hwang, Myeong Cheon (Department of Educational Chemical Engineering, Chungnam National University) ;
  • Hae Il Ryu (Department of Educational Chemical Engineering, Chungnam National University)
  • 김동원 (충북대학교 자연과학대학 화학과) ;
  • 송해영 (충남대학교 공업교육대학 화공학교육과) ;
  • 황명천 (충남대학교 공업교육대학 화공학교육과) ;
  • 유해일 (충남대학교 공업교육대학 화공학교육과)
  • Published : 1981.10.30

Abstract

The soy bean oil cakes and perillar oil cakes are phosphorylated and sulfonated to be used as ion exchangers. There 40-60mesh cations exchanges have bean tested on the capacity of ion exchange, the adsorption and distribution coefficients of several metal ions in various concentrations of binary solution mixture, hydrochloric acid and alcohol. From there experiments, the following results are concluded. The ion exchange capacity of ion exchangers are higher than 4 meq/g. The adsorption of metal ions on ion exchangers are increased generally as pH is increased, especially Co(II) on sulfonated soy bean oil cake. The distribution coefficients of various metal ions are decreased as the number of branches of carbon and hydroxyl groups are increased. There show that the stereo-isomerism of alkyl group or attraction of ligand have influenced upon various metal ions. Consequently it is deduced that there ion exchanges from soy bean oil cake and perillar oil cake resemble in properties to current ion exchangers.

콩깻묵과 들깻묵을 각각 인산화 및 술폰화하여 이온교환체를 만들었다. 이렇게 만든 40-60 매쉬의 이온교환체를 사용하여 여러농도의 염산과 알코올 혼합용매에서 이온교환용량, 몇가지 금속 이온에 대한 흡착능 및 분포계수를 알아보았다. 깻묵 이온교환체의 이온교환용량은 4 meq/g 이상이었으며, 깻묵 이온교환체에 대한 금속이온은 일반적으로 pH가 증가함에 따라 증가하였다. 특히 술폰화된 콩깻묵 이온교환체에서는 Co(II)가 높은 흡착을 나타내었다. 또한 분포계수는 여러 금속에 있어서 알코올 용매분자의 탄소수가 증가하거나 히드록시기의 수가 증가함에 따라 감소한다. 이는 알킬기의 입체이성 현상이나, 리간드의 인력이 크게 작용했기 때문인 것으로 보인다. 만들어진 콩깻묵 이온교환체는 시판되는 이온교환체와 거의 비슷한 이온교환능을 가지고 있음을 알 수 있었다.

Keywords

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