CARBON MONOXIDE HYDROGENATION OVER SILICA-SUPPORTED RHODIUM CARBONYL CLUSTER CATALYSTS

被引：0
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作者：
ZHANG Bing-Kai CHEN Lin-Feng GUO Ting-Huang LAN Hua-Shui Fujian Institute of Research on the
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来源：
Journal of Energy Chemistry | 1992年 / 03期
关键词：
CO; CARBON MONOXIDE HYDROGENATION OVER SILICA-SUPPORTED RHODIUM CARBONYL CLUSTER CATALYSTS;
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摘要：
The CO hydrogenation over Rh（CO）SiOcatalyst promoted with man-ganese and lithium was reported.As compared with conventional RhCI/SiOcatalyst,silica-supported rhodium carbonyl cluster catalysts have higher reactive activities.Manganese increases CO conversion by more than one order of magnitude and lithiumlowers CO hydrogenation activity,whereas Rh（CO）-MnCl-LiCI/SiOcatalyst giveshigher CO conversion and selectivity to C-oxygenate.XPS and IR spectra show thatmanganese stabilizes Rh（Ⅰ）ions and facilitated CO molecule activation via its syner-gism with rhodium enhancing CO conversion obviously.ESR results preliminarily revealthe interaction of rhodium with manganese.The mechanism of CO hydrogenation is dis-cussed primarily.
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页码：200 / 213
页数：14
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