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Hydrogenation of alkadienes. 9. 1,3-butadiene hydrogenation catalyzed by rhenium and by sulfur-contaminated rhenium

Journal Article · · J. Catal.; (United States)
Hydrogenation of 1,3-butadiene on rhenium film, silica-supported rhenium, and rhenium on various aluminas in a static reactor yielded 54% 1-butene, 30% trans-2-butene, 13% cis-2-butene, and 3% butane. A zero yield of butane obtained with rhenium on a commercial alumina and with rhenium wire was shown to be due to sulfur contamination, which was transported from the support to the metal through the gas phase. The butene formation was first order in hydrogen, -0.5 order in butadiene, and had an activation energy of 35 kj/mole. The similarities of these results and of the isomer distributions from the reaction of butadiene with deuterium with the previously discussed mechanism of the butadiene hydrogenation on nickel suggested that the same mechanism applies. The low conversion to butane is attributed to the small amount of occluded hydrogen in rhenium. Diagram, graph, tables, and 21 references.
Research Organization:
Coll. of Higher Education, Hull, Canada
OSTI ID:
5782762
Journal Information:
J. Catal.; (United States), Journal Name: J. Catal.; (United States) Vol. 57:3; ISSN JCTLA
Country of Publication:
United States
Language:
English