Preparation of alkyl tertiary butyl ether

Details Preparation of alkyl tertiary butyl ether Preparation of alkyl tertiary butyl ether

1992-11-16

1994-03-08

Mars, Howard T.

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

Organic compounds

Oxygen containing

568698, C07L 4109, C07C 4106

Patent

active

052929647

ABSTRACT:
The present invention provides a process for the preparation of MTBE or ETBE wherein TBA is reacted with methanol or ethanol and an effluent is formed which contains the water of etherification and at least 1 mol lower alcohol per 2 mols MTBE or ETBE, this effluent is distilled to separate an overhead of lower alcohol and ether from a bottoms containing the water of reaction, and a lower alcohol/ether admixture from the overhead is reacted with isobutylene to form additional quantities of MTBE or ETBE.

REFERENCES:
patent: 4144138 (1979-03-01), Rao et al.
patent: 4822921 (1989-04-01), Knifton et al.
patent: 4918244 (1990-04-01), Nelson et al.
patent: 4925989 (1990-05-01), Hagan et al.
patent: 5099072 (1992-03-01), Knifton

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