Manufacture of light olefins

Details Manufacture of light olefins Manufacture of light olefins

1975-12-08

1978-01-03

Davis, C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 120, C07C 1102

Patent

active

040667146

ABSTRACT:
A catalytic process is provided for converting lower monohydric alcohols and their ethers, especially methanol and dimethyl ether, to a hydrocarbon mixture rich in C.sub.2 -C.sub.3 olefins, by contact, under conversion conditions, with a catalyst comprising a crystalline aluminosilicate zeolite having a silica to alumina mole ratio of at least about 12, a constraint index, as hereinafter defined, within the approximate range of 1 to 12 and containing, in cationic form, between about 0.01 and about 1.9 milliequivalents per gram of one or more metals characterized by an ionic radius exceeding 1 Angstrom.

REFERENCES:
patent: 3529033 (1970-09-01), Frilette et al.
patent: 3894106 (1975-07-01), Chang et al.
patent: 3894107 (1975-07-01), Butter et al.

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