Method for the manufacture and recovery of methyl tertiary butyl

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

1992-11-19

1993-09-07

Mars, Howard T.

Organic compounds -- part of the class 532-570 series

Organic compounds

Oxygen containing

568698, 568699, 568922, C07C 4109

Patent

active

052430910

ABSTRACT:
A method for the preparation of methyl tertiary butyl ether is provided wherein a mixture of methanol and substantially 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 countercurrently contacted with water to provide an overhead extract comprising aqueous isobutylene, and wherein the isobutylene is recovered and recycled.

REFERENCES:
patent: 4144138 (1979-03-01), Rao et al.

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