Process for synthesizing a zeolite catalyst on a pH controlled b

Details Process for synthesizing a zeolite catalyst on a pH controlled b Process for synthesizing a zeolite catalyst on a pH controlled b

1987-11-16

1989-02-14

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

From nonhydrocarbon feed

585733, C07C 100

Patent

active

048048003

ABSTRACT:
A process for preparing a zeolite, e.g. ZSM-5, under controlled conditions of initial pH adjustment with an acid, SiO.sub.2 /Al.sub.2 O.sub.3 mole ratio, and in the presence of sodium cations, is disclosed, as well as a process for using the same to synthesize olefins from methanol and/or dimethyl ether.

REFERENCES:
patent: 3894107 (1975-07-01), Butter et al.
patent: 4665268 (1987-05-01), Lee et al.
patent: 4665269 (1987-05-01), Chu et al.
patent: 4709114 (1987-11-01), Rudewald et al.

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