Basic zinc-containing zeolite compositions

Details Basic zinc-containing zeolite compositions Basic zinc-containing zeolite compositions

1990-09-21

1991-12-03

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

502 78, 502 79, B01J 2908, B01J 2918

Patent

active

050700529

ABSTRACT:
This invention relates to a composition comprising a zeolite and a zinc or a zinc plus an alkali metal and/or an alkaline earth metal compound wherein the sum of the amount of the zinc or zinc plus alkali metal and/or alkaline earth metal in the compound plus any metal cation exchanged into the zeolite is in excess of that required to provide a fully metal cation-exchanged zeolite. The catalyst is preferably activated before use as a catalyst by heating to 400.degree. C. to 650.degree. C., typically in a nitrogen or air atmosphere.

REFERENCES:
patent: 2947709 (1960-08-01), Ray
patent: 2962355 (1960-11-01), Brech et al.
patent: 2988577 (1961-06-01), Sensel
patent: 3013984 (1961-12-01), Breck
patent: 3013986 (1961-12-01), Castor

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