Process for separating methanol from the reaction products...

Details Process for separating methanol from the reaction products... Process for separating methanol from the reaction products...

C - Chemistry, Metallurgy

07

C

202/93, 260/649.

C07C 31/04 (2006.01) C07C 29/80 (2006.01) C07C 29/86 (2006.01) C07C 41/06 (2006.01) C07C 41/34 (2006.01)

Patent

CA 1230614

PROCESS FOR SEPARATING METHANOL FROM THE REACTION PRODUCTS OBTAINED IN THE ETHERIFICATION OF C4 THROUGH C7 ISOOLEFINS WITH METHANOL (71200-DTA-163-F) ABSTRACT OF THE INVENTION The reaction product from etherification of C4-C7 isoolefins with methanol in the presence of an acidic catalyst is washed with water in the presence of inert hydrocarbons thereby removing methanol and a part of the tertiary alcohol. The aqueous extract solution bottoms is distilled to separate methanol as overhead. Tertiary alcohols are withdrawn as a side stream from a tray of the distillation column with a high concentration thereof and fed into the washing column. -I-

418198

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