Dehydroisomerisation catalyst and its use in the preparation of isobutene from N-butane
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United States of America Patent
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Aug 9, 1994
Issued Date -
N/A
app pub date -
Oct 21, 1993
filing date -
Aug 1, 1990
priority date (Note) -
Expired
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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 of 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.
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