Process for the dehydrogenation of paraffinic hydrocarbons

Details Process for the dehydrogenation of paraffinic hydrocarbons Process for the dehydrogenation of paraffinic hydrocarbons

1995-12-27

1997-11-18

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By dehydrogenation

585324, 585654, 585655, C07C 532

Patent

active

056890290

ABSTRACT:
An improved process for the catalytic dehydrogenation of paraffinic hydrocarbons is disclosed. Feed paraffinic hydrocarbons are dehydrogenated by means of contacting the dehydrogenatable hydrocarbon with a dehydrogenation catalyst in a first dehydrogenation zone wherein the endothermic dehydrogenation reaction reduces the temperature of the resulting hydrocarbon stream containing dehydrogenated hydrocarbon compounds. The resulting effluent from the preceding dehydrogenation zone is then contacted with a hot hydrogen-rich gaseous stream having a temperature greater than the hydrocarbon stream to increase the temperature of the hydrocarbon stream and then the resulting heated stream is introduced into a subsequent dehydrogenation zone to produce additional dehydrogenated hydrocarbon compounds.

REFERENCES:
patent: 4430517 (1984-02-01), Imai et al.
patent: 4438288 (1984-03-01), Imai et al.
patent: 4761509 (1988-08-01), Vora et al.
patent: 5491275 (1996-02-01), Vora et al.

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