Oxidative dehydrogenation of olefins to diolefins

Details Oxidative dehydrogenation of olefins to diolefins Oxidative dehydrogenation of olefins to diolefins

C - Chemistry, Metallurgy

07

C

260/702.4, 260/6

C07C 5/48 (2006.01) B01J 23/28 (2006.01) B01J 23/882 (2006.01)

Patent

CA 1071659

Abstract of the Disclosure There is disclosed a method comprising the oxidative dehydrogenation of at least one hydrocarbon selected from the group consisting of butene-1, butene-2, 2-methyl- 1-butene, 2-methyl-2-butene, 3-methyl-1-butene, n-pentene, 2,3-dimethyl-1-butene, 2,3-dimethyl-2-butene, 2-methyl- 1-pentene, 2-methyl-2-pentene, 4-methyl-2-pentene, 3-methyl-1-pentene, 3-methyl-2-pentene, 2-ethyl-1-butene, ethyl benzene and isopropyl benzene at oxidative dehydrogenation conditions while in contact with a catalyst comprising a mixture of cobalt and molybdenum in combination with oxygen and/or zinc and molybdenum in combination with oxygen which is activated with chromium in combination with oxygen, said catalyst being calcined for at least 1 hour at 400°C to 1100°C prior to use.

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