Process for the production of dehydrogenated hydrocarbons

Details Process for the production of dehydrogenated hydrocarbons Process for the production of dehydrogenated hydrocarbons

1996-09-27

1998-09-22

Yildirim, Bekir L.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By dehydrogenation

585617, 585654, 585627, C07C 542

Patent

active

058116222

ABSTRACT:
A process for the dehydrogenation of a dehydrogenatable hydrocarbon by (1) contacting the dehydrogenatable hydrocarbon with a liquid alkali metal in a dehydrogenation zone to produce a stream containing a dehydrogenated hydrocarbon and an unconverted dehydrogenatable hydrocarbon, and an alkali metal hydride; (2) heating the alkali metal hydride to produce a heated liquid alkali metal and hydrogen; (3) recycling the heated liquid alkali metal to the dehydrogenation zone; (4) contacting the stream containing dehydrogenated hydrocarbon and unconverted dehydrogenatable hydrocarbon with a selective adsorbent to produce a stream containing dehydrogenated hydrocarbon and a stream containing an unconverted hydrogenatable hydrocarbon; (5) recycling the stream of the unconverted dehydrogenatable hydrocarbon to the dehydrogenation zone; and (6) recovering the stream containing dehydrogenated hydrocarbon.

REFERENCES:
patent: 3720604 (1973-03-01), Rosback
patent: 4675465 (1987-06-01), Fanelli et al.
patent: 5476980 (1995-12-01), Oroskar

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