Method for the manufacture and recovery of methyl tertiary...

Details Method for the manufacture and recovery of methyl tertiary... Method for the manufacture and recovery of methyl tertiary...

C - Chemistry, Metallurgy

07

C

C07C 43/04 (2006.01) C07C 29/88 (2006.01) C07C 41/01 (2006.01) C07C 41/06 (2006.01) C07C 41/09 (2006.01) C07C 41/38 (2006.01)

Patent

CA 2094475

METHOD FOR THE MANUFACTURE AND RECOVERY OF METHYL TERTIARY BUTYL ETHER (Docket No. 81,086-F) ABSTRACT OF THE DISCLOSURE A method for the preparation of methyl tertiary butyl alcohol is provided wherein a mixture of methanol and substan- tially peroxides-free tertiary butyl alcohol are catalytically reacted to form a reaction product that is separated into a first lighter distillation fraction comprising isobutylene, methanol and methyl tertiary butyl ether and a second heavier distillation fraction comprising methanol, tertiary butyl alcohol and water, wherein the first distillation fraction and a first recycle isobutylene fraction are reacted to form an isobutylene conversion product that is charged, together with recycle isobutylene to a methanol extraction zone and counter- currently contacted with water to provide an overhead extract comprising aqueous isobutylene, and wherein the isobutylene is recovered and recycled.

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