Process for the preparation of modified zeolites

Details Process for the preparation of modified zeolites Process for the preparation of modified zeolites

1988-04-12

1989-10-17

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

Gallium containing

502 66, 502 74, 502 79, B01J 2908

Patent

active

048747297

ABSTRACT:
Process for the preparation of a modified zeolite by treatment with a solution of one or more metal salts and a calcination which comprises treating a zeolite having an alkali oxide/aluminium oxide molar ratio between about 0.13 and about 1 with a solution of a salt of a multi-valent metal-ion having an atomic number of from about 12 to about 83 and converting it by calcination into a product having a unit cell size between about 24.21 and about 24.60 .ANG..

REFERENCES:
patent: 3322690 (1967-05-01), Bilisoly
patent: 3455842 (1969-07-01), Cornelius et al.
patent: 3583903 (1971-06-01), Miale et al.
patent: 3714029 (1973-01-01), Berry
patent: 3806437 (1974-04-01), Franse et al.
patent: 3830725 (1974-08-01), Dolbear et al.
patent: 4175057 (1979-11-01), Davies et al.
patent: 4357265 (1982-11-01), Chiang

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