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IR Study of the Secondary Reaction of Ethylene Oxide over Silver Catalyst Supported on Mesoporous Material
Honam Petrochemical Co. LTD., Yeochon, Chonnam 555-200, Korea 1Department of Petrochemical Engineering, Hanlyo University, Dokryeri 199-4, Kwangyang, Chonnam 545-800, Korea 2Department of Chemical Technology & The Research Institute for Catalysis, Chonnam National University, Kwangju 500-757, Korea
gseo@chonnam.chonnam.ac.kr
Korean Journal of Chemical Engineering, May 1999, 16(3), 396-400(5), 10.1007/BF02707132
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Abstract
The secondary reaction of ethylene oxide over silver catalyst supported on MCM-41 mesoporous material was investigated by the in-situ IR method. MCM-41 mesoporous material with a large content of hydroxyl group was very active in catalyzing the isomerization of ethylene oxide to acetaldehyde. The reduction of hydroxyl group by silane treatment or silver loading suppressed the isomerization of ethylene oxide. The selectivity for ethylene oxide in the partial oxidation of ethylene is enhanced by silane modification revealing the acceleration of the consumption of ethylene oxide on the hydroxyl group.
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References
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