Process for the production of ethylbenzene

Details Process for the production of ethylbenzene Process for the production of ethylbenzene

1982-10-27

1984-01-31

Gantz, Delbert E.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

From alicyclic

585434, C07C 541

Patent

active

044291752

ABSTRACT:
This invention provides a process for selective conversion of vinylcyclohexene to ethylbenzene and hydrogen in the presence of a palladium on non-acidic zeolite catalyst.
In the catalyst preparation, the catalyst is calcined first in air and then in a hydrocarbon type environment. Without the two step calcination procedure, the catalyst has a lower level of activity and selectivity.
The process proceeds as an oxygen-assisted dehydrogenation reaction which yields recoverable hydrogen byproduct, rather than as an oxydehydrogenation reaction which yields water byproduct.

REFERENCES:
patent: 3376215 (1968-04-01), Bertolacini et al.
patent: 3502736 (1970-03-01), Sato et al.
patent: 3903185 (1975-09-01), Vogel et al.
patent: 4300010 (1981-11-01), Cihonski
patent: 4359594 (1982-11-01), Patterson et al.

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