Process for producing methyl tert. -alkyl ether

Details Process for producing methyl tert. -alkyl ether Process for producing methyl tert. -alkyl ether

C - Chemistry, Metallurgy

07

C

260/648

C07C 41/06 (2006.01) C07C 43/04 (2006.01)

Patent

CA 1216865

PROCESS FOR PRODUCING METHYL TERT.ALKYL ETHER ABSTRACT OF INVENTION Methyl t-butyl ether and methyl t-amyl ether are produced by reacting methanol with isobutene and iso- amylene, respectively, at a total methanol/isoolefine mole ratio of 1-1.2:1 in a series of reaction stages such that in the first reaction stage, the total amount of olefin component is reacted with as much methanol as is required to ensure that the methanol/isoolefine mole ratio in the first reaction stage does not drop to less than 0.65:1, and that the methanol concentration in the effluent stream does not exceed 0.4 % wt. The residual amount of methanol is then fed either all at once to another reaction stage, or in portions to several addi- tional reaction stages.

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