Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 3113 - 3124 (1986)
Update date:2022-08-28
Topics:
Garden, David
Kemball, Charles
Whan, David A.
Exchange reactions with deuterium of cyclopentane (303 K) and of methane (473 K) and the hydrogenolysis of n-butane, n-pentane and cyclopentane have been studied on a series of alumina-supported Pt-Ir catalysts.Metal composition had little effect on the activity of the catalysts for the exchange reactions but influenced the character of the reactions in a regular manner.Rates of hydrogenolysis increased with iridium content, and the change was >100 for n-butane but only 10 for cyclopentane.The main reaction with cyclopentane was ring-opening, but the extent of further hydrogenolysis increased with iridium content in a manner that suggested the possible requirement of ensembles of three iridium atoms.
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