Non-oxidative dehydrogenation process

B - Operations – Transporting – 01 – J

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252/53.C, 260/70

B01J 23/38 (2006.01) B01J 23/70 (2006.01) B01J 23/86 (2006.01) C07C 5/333 (2006.01)

Patent

CA 1120456

A B S T R A C T The present invention relates to a process for the preparation of a compound having the formula R-CH=CH2 by non-oxidative dehydrogenation of a compound having the formula R-CH2-CH3, wherein R is a phenyl, alkyl or alkenyl group. This process comprises passing a mixture of a compound having the formula R-CH2-CH3, wherein R is a phenyl, alkyl or alkenyl group, and the superheated steam at the dehydrogenation temperature over a catalyst which is a spinel, containing an alkali metal oxide and vandium oxide as promoters. Application in the manufacture of styrene.

317724

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