Thermactivation of catalysts comprising catalytic metals-free cr

Details Thermactivation of catalysts comprising catalytic metals-free cr Thermactivation of catalysts comprising catalytic metals-free cr

1970-07-29

1976-04-27

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

208111, B01J 2906, C10G 1302

Patent

active

039533646

ABSTRACT:
Method of activating a catalyst composite comprising particles of a catalytic metals-free crystalline zeolitic molecular sieve dispersed in a gel matrix comprising silica-alumina, a Group VI hydrogenating component and a Group VIII hydrogenating component, which method comprises heating said catalyst composite in an oxygen-containing gas stream at 1200.degree. to 1600.degree.F. for 0.25 to 48 hours, and the catalyst composite so activated.

REFERENCES:
patent: 3433732 (1969-03-01), Leaman
patent: 3457191 (1969-07-01), Erickson et al.
patent: 3558471 (1971-01-01), Kittrell
patent: 3558475 (1971-01-01), Jaffe

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