Process for the manufacture of lower olefins from...

Details Process for the manufacture of lower olefins from... Process for the manufacture of lower olefins from...

C - Chemistry, Metallurgy

07

C

260/709.9

C07C 11/02 (2006.01) B01J 29/076 (2006.01) C07C 1/20 (2006.01)

Patent

CA 1143754

HOE 79/F 191 PROCESS FOR THE MANUFACTURE OF LOWER OLEFINS FROM METHANOL/ WATER MIXTURES Abstract of the disclosure: 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-diamine- tetraacetic acid or tartaric acid adjusted to a pH of from 3 to 7 by means of a base.

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