Method for improving organic cation-containing zeolites

Details Method for improving organic cation-containing zeolites Method for improving organic cation-containing zeolites

1979-01-15

1980-02-05

Meros, Edward J.

Chemistry of inorganic compounds

Silicon or compound thereof

Oxygen containing

252455Z, C01B 3328, B01J 2906

Patent

active

041872835

ABSTRACT:
A method is provided for improving the adsorptive properties, catalytic capabilities and thermal stability of organic cation-containing crystalline zeolites which comprises the sequential steps of (1) heating said zeolite, under controlled temperature conditions, to decompose organic material contained in the zeolite without effecting coking thereof, (2) heating said zeolite, under controlled temperature conditions, in an aqueous monovalent metal salt solution, and then (3) calcining the so treated zeolite. Steps (1) and (2) may be repeated, if desired, in sequence, prior to the calcining step (3).

REFERENCES:
patent: 3702886 (1972-11-01), Argauer et al.
patent: 3766093 (1973-10-01), Chu
patent: 3853743 (1974-12-01), Schwartz

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