Process for synthesizing and purifying olefins comprising dehydr

Details Process for synthesizing and purifying olefins comprising dehydr Process for synthesizing and purifying olefins comprising dehydr

1998-06-24

2000-09-19

Knode, Marian C.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By dehydrogenation

585324, 585804, 585867, 208101, C07C 5327, C07C 5373, C07C 100, C07C 700, C10G 900

Patent

active

061215058

ABSTRACT:
The present invention relates to a process for the production of olefins from a hydrocarbon cut, comprising a step for separating at least one paraffin contained in the hydrocarbon cut, a step for dehydrogenating the paraffin and a step for purifying the hydrogen produced during dehydrogenation, at least a part of that hydrogen being recycled to the dehydrogenation step. The invention is of particular application to the preparation of olefins containing 3 to 5 carbon atoms per molecule from a C.sub.3 to C.sub.5 hydrocarbon cut containing at least one paraffin.

REFERENCES:
patent: 4695662 (1987-09-01), Vora
patent: 5414168 (1995-05-01), Scott

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