Process for the preparation and isolation of methyl-tert-butyl e

Details Process for the preparation and isolation of methyl-tert-butyl e Process for the preparation and isolation of methyl-tert-butyl e

1980-05-09

1981-11-10

Mars, Howard T.

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

Organic compounds

Oxygen containing

568699, 203 42, 203 66, 203 70, 203 78, C07C 4105, C07C 4134

Patent

active

042999995

ABSTRACT:
Process for producing and isolating methyl-tert-butyl ether (MTBE) comprising etherifying isobutene, contained in a C.sub.4 hydrocarbons mixture, with methanol in the presence of a recycle stream of C.sub.5 and/or C.sub.6 hydrocarbons, separating from the obtained reaction product, by fractionation, at least the major part of the unconverted C.sub.4 hydrocarbons, and discharging them, and fractionating the remaining product in two fractions, one of which contains an azeotrope of methanol with the C.sub.5 and/or C.sub.6 hydrocarbons and is recycled, the other fraction containing the purified MTBE.

REFERENCES:
patent: 2480940 (1949-09-01), Leun et al.
patent: 3912463 (1975-10-01), Kozlowski et al.
patent: 4118425 (1978-10-01), Herbstman

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