Ammonium faujasite zeolites

Details Ammonium faujasite zeolites Ammonium faujasite zeolites

1976-09-09

1977-11-15

Dees, Carl F.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

423112, B01J 2906, B01J 104

Patent

active

040584844

ABSTRACT:
A process of producing an ammonium zeolite of the faujasite type in which a zeolite of the faujasite type whose exchange sites are substantially entirely occupied by Na cations, is treated 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: 3677698 (1972-07-01), Sherry et al.

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