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Materials, Methods & Technologies, Volume 10, 2016

CATALYTIC DEHYDROGENATION OF PROPANE IN A MEMBRANE REACTOR WITH PD-6%IN-0.5%RU AND PD-6%RU FOILS
Ludmila P. Didenko, Larisa A. Sementsova, Petr E. Chizhov, Leonid A. Bikov
Pages: 305-312
Published: 10 Jul 2016
Views: 663
Downloads: 202
Abstract: Propane dehydrogenation in a membrane reactor on the АОК-73-24 industrial chromia–alumina catalyst is studied at 773–873 K. Membranes based on a 30 μm thick foils made of the Pd–6%In–0.5%Ru and Pd-6%Ru alloys are used. It is shown that because of a high hydrogen permeability of the Pd-In-Ru membrane there is a fast deactivation of the catalytic system due to the formation of carbon deposits. When using Pd-Ru membranes with lower hydrogen permeability, the deactivation rate of the catalytic system decreases and the yield of propylene becomes higher than that achieved in the “non-membrane” process.
Keywords: propane dehydrogenation, membrane reactor, foil, palladium alloys
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