Preparation of olefins from methaol and/or dimethyl ether

Details Preparation of olefins from methaol and/or dimethyl ether Preparation of olefins from methaol and/or dimethyl ether

1982-07-22

1983-12-27

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

From nonhydrocarbon feed

C07C 120

Patent

active

044232730

ABSTRACT:
The process for the preparation of olefins by converting methanol and/or dimethyl ether in the presence of a zeolite catalyst is improved by treating the catalyst with hydrogen fluoride. Aluminosilicate zeolites and borosilicate zeolites, especially those of the pentasil type, are chiefly used.

REFERENCES:
patent: 3702886 (1972-11-01), Argauer et al.
patent: 3894107 (1975-07-01), Butter et al.
patent: 3979472 (1976-09-01), Butter
patent: 4025576 (1977-05-01), Chang et al.
patent: 4269813 (1981-05-01), Klotz

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