Korean Chemical Engineering Research

The Korean Institute of Chemical Engineers (한국화학공학회)
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Adsorption Characteristics of n-Butane and 1-Butene on Mesoporous MCM-41 Containing Silver Ions

은이온이 담지된 메조포러스 MCM-41을 이용한 n-부탄과 1-부텐의 흡착 특성 연구

  • Kang, Min (Department of Chemistry, Sungkyunkwan University) ;
  • Lee, Hyung Ik (Department of Chemistry, Sungkyunkwan University) ;
  • Yoon, Dal Young (Department of Chemistry, Sungkyunkwan University) ;
  • Ko, Chang Hyun (Separation Processes Research Center, Korea Institute of Energy Research) ;
  • Kim, Jong-Nam (Separation Processes Research Center, Korea Institute of Energy Research) ;
  • Kim, Ji Man (Department of Chemistry, Sungkyunkwan University)
  • 강 민 (성균관대학교 화학과) ;
  • 이형익 (성균관대학교 화학과) ;
  • 윤달영 (성균관대학교 화학과) ;
  • 고창현 (한국에너지기술연구원 분리공정센터) ;
  • 김종남 (한국에너지기술연구원 분리공정센터) ;
  • 김지만 (성균관대학교 화학과)
  • Received : 2006.07.04
  • Accepted : 2006.07.12
  • Published : 2006.08.31
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Abstract

There have been a lot of works in order to develop an excellent adsorbent for separation of olefin and paraffin. In the present work, the adsorption characteristics of mesoporous MCM-41 containing silver ion for 1-butene and n-butane were studied. The adsorption ability for the 1-butene depending on thermal treatment were also investigated.MCM-41 exhibits much higher adsorption amounts for 1-butene as well as n-butane, compared to those of Ag/13X zeolite. In case of MCM-41 containing silver ion, the adsorption amount of 1-butene dramatically increased due to the ${\pi}$-complexation, whereas the adsorption amount of n-butane decrease. The Ag/MCM-41 after the thermal treatment at 373 K under evacuation exhibit the highest 1-butene/n-butane adsorption ratio, expecially at low pressure (100 Torr).

고농도의 1-부텐을 생산하기 위하여 흡착 분리제의 개발이 필수적인데, 본 연구에서는 메조포러스 실리케이트인 MCM-41을 지지체로 하여 $AgNO_3$를 함침시켜 흡착제를 제조한 후, 1-부텐과 n-부탄의 흡착 특성을 연구하였다. 또한, 열처리 조건에 따른 $Ag^+$ 이온의 형성 비율과 1-부텐의 결합 능력을 알아보았다. MCM-41 흡착제의 경우, 13X 제올라 이트에 비하여 매우 높은 흡착량을 보여주었으며, 은이 담지되었을 때, n-부탄의 흡착량은 감소하는 반면에 1-부텐의 흡착량은 증가함으로써 1-부텐과 n-부탄의 흡착 분리에 매우 좋은 성능을 갖음을 확인할 수 있었다. 또한, 진공 분위기에서 373 K로 열처리한 Ag/MCM-41의 경우 가장 높은 1-부텐/n-부탄 흡착비를 보였으며, 특히 저압에서 매우 높은흡착비를 보여주었다.

Keywords

Acknowledgement

Supported by : 에너지관리공단

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