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Performance of ionic liquid as catalyst in the copolymerization of phenyl glycidyl ether with carbon dioxide
Authors:Dae-Won Park   Na-Young Mun   Eun-Ha Lee   Youngson Choe  Sang-Wook Park
Affiliation:(1) Laboratoire de Chimie des Matériaux et Catalyse, Département de Chimie, Faculté des Sciences de Tunis, Campus Universitaire, 2092 Tunis, Tunisia;(2) Laboratoire de Chimie des Matériaux et Catalyse, Département de Chimie, Faculté des Sciences de Tunis, Campus Universitaire, 2092 Tunis, Tunisia;(3) Laboratoire de Chimie des Matériaux et Catalyse, Département de Chimie, Faculté des Sciences de Tunis, Campus Universitaire, 2092 Tunis, Tunisia
Abstract:Summary Selective ammoxidation of ethylene over Co-ZSM-5 prepared by aqueous and solid-state ion exchange has been studied. The catalyst prepared using solid-state exchange showed higher activity and selectivity to acetonitrile. Catalysts tested in the ammoxidation of ethylene were previously characterized by chemical analysis, XRD, N2-BET measurements and FTIR. TPD of ammonia and FTIR of pyridine used as probe molecule showed that solid-state ion exchange of H-ZSM-5 with cobalt generates new Lewis acid sites which seem to play a role in the ammoxidation reaction.
Keywords:ethylene  Co-ZSM-5  solid-state exchange  Ammoxidation
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