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Adsorption Characteristics of n-Butane and 1-Butene on Mesoporous MCM-41 Containing Silver Ions  

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)
Publication Information
Korean Chemical Engineering Research / v.44, no.4, 2006 , pp. 393-398 More about this Journal
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).
Keywords
Mesoporous MCM-41; ${\pi}$-complexation; n-butane; 1-butene; Adsorption;
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