Process for the manufacture of lower olefins from methanol/water

Details Process for the manufacture of lower olefins from methanol/water Process for the manufacture of lower olefins from methanol/water

1980-07-16

1981-10-20

Doll, John

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

From nonhydrocarbon feed

252455Z, C07C 100, C07C 124

Patent

active

042962668

ABSTRACT:
Olefins having from 2 to 4 carbon atoms are manufactured from methanol and/or dimethyl ether in the presence of water and a manganese-containing aluminum silicate catalyst. Before or after application of the manganese, the aluminum silicate is washed with a solution of ethylene-diaminetetraacetic acid or tartaric acid adjusted to a pH of from 3 to 7 by means of a base.

REFERENCES:
patent: 3321521 (1967-05-01), Kerr
patent: 4156698 (1979-05-01), Dwyer et al.
patent: 4247731 (1981-01-01), Wunder et al.

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