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52 Cyclic carbonate synthesis from carbon dioxide and epoxide catalyzed by samarium oxychloride supported on zirconia

Publication Date Jan 1, 2003

Abstract

Abstract Samarium-loaded zirconia catalysts were prepared by impregnating ZrO 2 with aqueous solutions of samarium chloride followed by calcination. The resulting Sm(O,Cl)/ZrO 2 catalysts showed high yield and selectivity for the propylene carbonate synthesis from carbon dioxide and propylene oxide. The yield per weight of samarium oxychloride (SmOCl) for the Sm(O,Cl)/ZrO 2 catalyst with the samarium loading of 10.3 wt% was about twenty times higher than that for SmOCl bulk catalyst. The high efficiency of the Sm(O,Cl)/ZrO 2 catalyst is possibly due to the formation of highly dispersed SmOCl on the surface of ZrO 2 .

Concepts

Surface Of ZrO Carbon Dioxide Carbonate Synthesis Propylene Oxide Aqueous Solutions Of Chloride Solutions Of Chloride Dioxide Oxide High Selectivity Propylene Carbonate Synthesis Cyclic Carbonate Synthesis

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