Intermediates in CO and CO2 hydrogenation over Ni catalysts
- 1 January 1979
- journal article
- research article
- Published by Royal Society of Chemistry (RSC) in Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
- Vol. 75, 1011-1015
- https://doi.org/10.1039/f19797501011
Abstract
The reactivity towards H2 of different species observed during adsorptions of CO and CO2 on Ni/SiO2 catalysts is examined. A mechanism for CO and CO2 hydrogenation on Ni/SiO2 is proposed in which the active carbonaceous species is the “superficial carbide” Ni3Csurf. This mechanism accounts for observed characteristics of CO and CO2 hydrogenation and suggests a possible chain growth via non-oxygenated intermediates.Keywords
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