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Bulletin of the Korean Chemical Society (BKCS)

ISSN 0253-2964(Print)
ISSN 1229-5949(Online)
Volume 31, Number 6
BKCSDE 31(6)
June 20, 2010

Title	Influence of Ionic Liquid as a Template on Preparation of Porous η-Al₂O₃ to DME Synthesis from Methanol
Author	Kye Sang Yoo*, Se Hee Lee
Keywords	Porous η-Al₂O₃, Ionic liquid, Surface area, DME synthesis
Abstract	Porous η-Al₂O₃ was synthesized by modified sol-gel method using ionic liquid as a templating material. The addition of ionic liquid assisted to increase the surface area of alumina. However, the acidity of aluminas prepared with ionic liquids was hardly affected regardless the change of its structural properties. Among the ionic liquids used in this study, 1-butyl-3-methylimidazolium hexafluorophosphate ([Bmim][PF₆]) was the most effective ionic liquid to produce porous η-Al₂O₃ particles. The catalytic performance of these aluminas has been investigated in dehydration of methanol to produce dimethyl ether. The alumina prepared with [Bmim][PF₆] outperformed the other aluminas except η-Al₂O₃ without modification in this reaction.
Page	1628 - 1632
Full Text	PDF

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