Journal of Catalysis p. 607 - 616 (1994)
Update date:2022-08-11
Topics:
Cheng, Zheng Xing
Ponec, Vladimir
Selective isomerization of butene to iso-butene has been studied with pure and variously modified alumina as catalysts.Results can be self-consistently eplained by concluding that (i) the molecular mechanism operates and requires Lewis acid sites, the presence and quality of which can be modulated by heat treatment in hydrogen, by surface modification with halogens, and by application of certain catalytic poisons, and (ii) the bimolecular mechanism is related to the Broensted acid sites and is stimulated, as expected, by increased pressure of n-butene.
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