Production of ethers from methanol

Details Production of ethers from methanol Production of ethers from methanol

1987-11-24

1989-05-16

Gray, Bruce D.

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

Organic compounds

Oxygen containing

585301, 585304, 585639, 585640, C07C 4105

Patent

active

048311952

ABSTRACT:
Processes and apparatus for converting methanol or the like to intermediate olefins and etherification products, such as methyl t-butyl ether by extracting crude methanol feedstock with an olefinic liquid hydrocarbon stream containing C.sub.4 + iso-olefins. The extract phase is reacted under etherification conditions. The aqueous methanol raffinate stream is converted catalytically to olefins for recovery of C.sub.4 + olefinic liquid hydrocarbons useful as extraction solvent.

REFERENCES:
patent: 4262149 (1981-04-01), Dotson et al.
patent: 4322565 (1982-03-01), Dotson et al.
patent: 4349415 (1982-09-01), DeFilippi et al.
patent: 4544776 (1985-10-01), Osterburg et al.
patent: 4603225 (1986-07-01), Colaianne et al.
patent: 4665237 (1987-05-01), Arakawa et al.

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