Device for catalytic dehydrogenation of a C.sub.2+ paraffinic ch

Details Device for catalytic dehydrogenation of a C.sub.2+ paraffinic ch Device for catalytic dehydrogenation of a C.sub.2+ paraffinic ch

1995-06-07

1998-02-24

Bhat, Nina

Chemical apparatus and process disinfecting, deodorizing, preser

Chemical reactor

Including heat exchanger for reaction chamber or reactants...

422217, 422234, 422236, 585655, 585654, 585324, B01J 804, B01J 808, C07C 5333

Patent

active

057209294

ABSTRACT:
A device for the catalytic dehydrogenation of a C.sub.2+ paraffinic hydrocarbon charge is applicable to the synthesis of methyl tert-butyl ether. Effluent coming from the dehydrogenation reactor and containing olefins and water is cooled in at least one heat exchanger (41), saturated with water in a column (3) and sent to a stripping column (10) where it is at least partly put in contact with a recycled aqueous liquid phase containing a solvent, preferably methanol. The compressed gaseous effluent in which the water is thereby inhibited from freezing by the methanol is cooled in a heat exchanger (13) then separated in separator (8) into olefins and into hydrogen. An aqueous liquid phase with methanol is decanted at (8) and recycled in column (10).

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