Dehydrogenation method

Details Dehydrogenation method Dehydrogenation method

1977-03-07

1978-08-01

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260668D, 260669R, 2606833, 252441, 252472, 252474, 208139, C07C 1500, C07B 300

Patent

active

041043170

ABSTRACT:
Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at dehydrogenation conditions, with a catalytic composite comprising a combination of catalytically effective amounts of a platinum or palladium component, a rhodium component, and a rhenium component with a porous carrier material. A specific example of the nonacidic catalytic composite disclosed herein is a combination of a platinum or palladium component, a rhodium component, a rhenium component, and an alkali or alkaline earth component with a porous carrier material in amounts sufficient to result in a composite containing about 0.01 to about 2 wt. % platinum or palladium, about 0.01 to about 2 wt. % rhodium, about 0.01 to about 2 wt. % rhenium and about 0.1 to about 5 wt. % alkali metal or alkaline earth metal. A preferred modifying component for the disclosed catalytic composites is a sulfiding reagent.

REFERENCES:
patent: 2972644 (1961-02-01), Holmes
patent: 3315008 (1967-04-01), Abell et al.
patent: 3562346 (1971-02-01), Smirnov et al.
patent: 3759841 (1973-09-01), Wilhelm
patent: 3903191 (1975-09-01), Pollitzer

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