Catalyst – solid sorbent – or support therefor: product or process – Zeolite or clay – including gallium analogs – And additional al or si containing component
Patent
1987-09-21
1989-04-25
Dees, Carl F.
Catalyst, solid sorbent, or support therefor: product or process
Zeolite or clay, including gallium analogs
And additional al or si containing component
B01J 2906, B01J 3700
Patent
active
048248169
ABSTRACT:
This invention relates to a method for producing zeolite-containing catalysts. It is particularly suitable for making catalytic compositions made up of large pore zeolites of which a large percentage of the cationic substitution sites therein contain an alkali or alkaline earth metal and further containing one or more other Group VIII noble metals and a binder. The binder preferably is formed of a particular ratio of alumina from both a sol and boehmite. The step of impregnating the zeolite with a catalytic metal is carried out at a particular pH range so as to promote aromatics yield after later regeneration. This catalyst is suitable for use as a reforming catalyst or in the production of benzene. The catalyst has quite high activity, selectivity, and excellent physical characteristics.
REFERENCES:
patent: 4539305 (1985-09-01), Wilson et al.
patent: 4568656 (1986-02-01), Poeppelmeier et al.
patent: 4595669 (1986-07-01), Fung et al.
patent: 4681865 (1987-07-01), Katsuno et al.
Fung Shun C.
Trowbridge Theodore D.
Vanderspurt Thomas H.
Dees Carl F.
Exxon Research & Engineering Company
Markowitz S. H.
Morris T. B.
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