SYSTEMS CONTAINING TRANSITION METAL NANOPARTICLES AS CATALYSTS FOR OLEFIN PRODUCTION
Tatyana Fedorovna Sheshko, Yuriy Mikhailovich Serov
Pages: 165-175
Published: 1 Jan 2012
Views: 366
Downloads: 26
Abstract: The reactions of hydrogenation of carbon dioxide, as well as mixtures of carbon oxides, at atmospheric pressure over bimetallic catalytic systems containing dispersed Fe, Co, and Ni nanoparticles immobilized on inert supports were investigated. The highest selectivity toward olefins in the hydrogenation of carbon oxides was observed for iron containing catalysts. It is suggested that the ratio of saturated to unsaturated hydrocarbons in the products is mainly determined by the amount of atomic hydrogen capable of migrating from one active center to another, as well as by the structure of these active centers. Differences in catalytic activity and selectivity of the bimetallic samples are probably associated with different rates of spillover of weakly bound hydrogen (H), as well as with the rate of the jump over effect of CHâ‚“ radicals between active centers.
Keywords: carbon oxides, hydrogenation, catalytic systems, nanoparticles
Cite this article: Tatyana Fedorovna Sheshko, Yuriy Mikhailovich Serov. SYSTEMS CONTAINING TRANSITION METAL NANOPARTICLES AS CATALYSTS FOR OLEFIN PRODUCTION. Journal of International Scientific Publications: Materials, Methods & Technologies 6, 165-175 (2012). https://www.scientific-publications.net/en/article/1003247/
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