Process for modification of a molecular sieve

Details Process for modification of a molecular sieve Process for modification of a molecular sieve

1989-02-08

1991-08-13

Dees, Carl F.

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

Zeolite or clay, including gallium analogs

Activating treatment

502 60, B01J 2906

Patent

active

050396412

ABSTRACT:
The invention relates to a process for modifying a molecular sieve, whereby the molecular sieve is brought into contact with a modifying agent containing at least one weak acid, a salt of a weak acid or a derivative of a weak acid of at least one element of Groups III, IV or V of the Periodic Table of Elements, by dry mixing the molecular sieve and the modifying agent, optionally followed by adding liquid to form a slurry or paste, whereafter the resulting mixture is subjected to a thermal treatment.

REFERENCES:
patent: 3326818 (1967-06-01), Gladrow et al.
patent: 3377295 (1968-04-01), Pryor
patent: 3382187 (1968-05-01), Drost et al.
patent: 3740347 (1973-06-01), Rosen et al.
patent: 4414005 (1983-11-01), de Bievre et al.
patent: 4594333 (1986-06-01), Chang et al.

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