Dehydroisomerization catalyst and its use in the preparation of

Details Dehydroisomerization catalyst and its use in the preparation of Dehydroisomerization catalyst and its use in the preparation of

1991-07-29

1994-01-04

Garvin, Patrick P.

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Boron or compound containing same

502242, 502258, 502262, 502355, B01J 2102

Patent

active

052759954

ABSTRACT:
A catalyst is described for the preparation of isobutene by dehydroisomerization of n-butane consisting of a solid, granular support of porous gamma-alumina on the surface of which catalytic quantities of platinum, silica and preferably also one or more promotors are deposited. In a preferred form of embodiment this catalyst is used with a second catalyst which may be formed of Boralite B or a solid granular support gamma-alumina on the surface of which catalytic quantities of silica are deposited.
The present invention relates also to the process of dehydroisomerization of n-butane to isobutene in which the catalyst is used and the relative operating conditions.

REFERENCES:
patent: 2346657 (1944-04-01), Bloch et al.
patent: 3793232 (1974-02-01), Duhaut et al.
patent: 4392003 (1983-07-01), Kolombos et al.
patent: 4433190 (1984-02-01), Sikkenga et al.
patent: 4486547 (1984-12-01), Imai et al.
patent: 4764498 (1988-08-01), Wissner et al.

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