期刊
CATALYSIS TODAY
卷 141, 期 3-4, 页码 344-348出版社
ELSEVIER
DOI: 10.1016/j.cattod.2008.04.033
关键词
TiO2-ZrO2; Mesoporous zeolites; CO2; Dehydrogenation
Direct synthesis route was developed to support TiO2-ZrO2 binary metal oxide onto the carbon templated mesoporous silicalite-1 (CS-1). Metal hydroxide modified carbon particles could play a role as hard template and simultaneously support metal components on the mesopores during the crystallization of zeolites. Such supported TiO2-ZrO2 binary metal oxides (TZ/CS-1) showed better resistance to deactivation in the oxidative dehydrogenation of ethylbenzene (ODHEB) in the presence of CO2. These catalysts were found to be active, selective and catalytically stable (10 h of time-on-stream) at 600 degrees C for the dehydrogenation of ethylbenzene (EB) to styrene (Sty). (C) 2008 Elsevier B.V. All rights reserved.
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