Activation of high silica zeolites

Details Activation of high silica zeolites Activation of high silica zeolites

1981-12-22

1984-04-24

Meros, Edward J.

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

Zeolite or clay, including gallium analogs

Activating treatment

423328, 502 64, 502 71, B01J 2938, B01J 2906

Patent

active

044449020

ABSTRACT:
A method for enhancing the activity of high silica zeolite, i.e. a zeolite having a silica-to-alumina ratio greater than 100, is disclosed which involves calcining the zeolite, treating same with aluminum fluoride, followed by treating the zeolite with an ammonium salt solution and then calcining the final product in order to obtain a zeolite having enhanced activity.

REFERENCES:
patent: 2400446 (1946-05-01), Veltman
patent: 3354078 (1967-11-01), Miale et al.
patent: 3644220 (1972-02-01), Kearby
patent: 3702886 (1972-11-01), Argauer et al.
patent: 3709979 (1973-01-01), Chu
patent: 3933983 (1976-01-01), Elliott
patent: 4297335 (1981-10-01), Lok et al.

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