Abstract
The exchange of n-butane with deuterium is catalyzed by tungsten films at temperatures below 250 K; the reaction involves mainly simple exchange with no evidence of self-poisoning. The adsorption of butane on tungsten at temperatures from 273 to 423 K gives strongly adsorbed hydrocarbon species which reduce the rate of the subsequent exchange at 273 K by factors of from 10 to 2000, the effect increasing with the adsorption temperature. Only a fraction of these adsorbed species is easily rehydrogenated. Some results for comparison are obtained with adsorbed but-1-ene, neopentane or methane.
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Schedule a callMore From: Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases
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