Process for the synthesis of methyl-tert-butyl ether from methan

Details Process for the synthesis of methyl-tert-butyl ether from methan Process for the synthesis of methyl-tert-butyl ether from methan

1975-05-21

1977-08-02

Mars, Howard T.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2606815R, C07C 4106, C07C 4110

Patent

active

040395901

ABSTRACT:
Isobutylene is separated from a stream of C.sub.4 hydrocarbons containing it and remarkable amounts of butadiene, and methyl tert-butyl ether is prepared, by feeding that stream of hydrocarbons and methanol to a reactor containing a catalyst consisting of an acid ion-exchange resin, maintained at a temperature in the range of from 60.degree. to 120.degree. C, at a space velocity (LHSV) in the range of from 5 to 35, the relation between the space velocity (LHSV) and temperature being correlated to correspond to the formula: LHSV = 1/2t - 25, wherein t is the temperature in degrees C, so that the isobutylene and methanol are caused to react, and then separating the methyl tert-butyl ether thus formed from the reaction mixture by distillation.

REFERENCES:
patent: 2391084 (1945-12-01), Carmody
patent: 2480940 (1949-09-01), Leum et al.
patent: 3846088 (1974-11-01), Brown et al.

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