Hydrothermally stable catalysts containing ammonium faujasite ze

Details Hydrothermally stable catalysts containing ammonium faujasite ze Hydrothermally stable catalysts containing ammonium faujasite ze

1976-08-27

1978-04-18

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

B01J 2906

Patent

active

040850692

ABSTRACT:
Catalysts containing a matrix and an ammonium zeolite of the faujasite type produced by exchanging the zeolite whose exchange sites are substantially entirely occupied by Na cations, with an ammonium salt solution to exchange substantially all of the Na cations with NH.sub.4 cations with substantially no impairment of crystallinity by a control of the relation of the equivalents of NH.sub.4 in the solution to equivalents of Na in the zeolite.

REFERENCES:
patent: 3227660 (1966-01-01), Hansford
patent: 3304254 (1967-02-01), Eastwood et al.
patent: 3557024 (1971-01-01), Young et al.
patent: 3677698 (1972-07-01), Sherry et al.

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