Dehydration of tertiary butyl alcohol

Details Dehydration of tertiary butyl alcohol Dehydration of tertiary butyl alcohol

1978-07-28

1979-08-21

Davis, C.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

From nonhydrocarbon feed

C07C 522

Patent

active

041653432

ABSTRACT:
Tertiary butyl alcohol is dehydrated in the presence of para-toluene sulfonic acid catalyst and xylene which forms an azeotrope with the water of hydration. Isobutylene and water, formed by the dehydration reaction, along with xylene, are removed as a vapor fraction. Xylene serves a dual purpose, acting as a solvent for paratoluene sulfonic acid so that this catalyst can contact the tertiary butyl alcohol feed, and also acting as an azeotrope forming agent to remove water as it is formed and to promote the dehydration reaction.

REFERENCES:
patent: 3256250 (1966-06-01), Frilette
patent: 3510538 (1970-05-01), Rosenthal
patent: 4065512 (1977-12-01), Cares

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