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2 063 398

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IPC

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Application

94001095/04, 1994-01-13

(22)

Actual filing date

1994-01-13

(45)

Published

1996-07-10

(72)

Inventor

Kapustin P.P.Vorozhejkin A.P.Rjazanov Ju.I.Gavrilov G.S.Ukhov N.I.

(73)

Holder

Kapustin Petr Petrovich

PROCESS FOR PREPARING METHYL TERT-BUTYL ETHER Russian patent published in 1996 - IPC

Abstract RU 2063398 C1

FIELD: high octane additive to motor fuels. SUBSTANCE: product: methyl tert-butyl ether (MTBE). Reagent 1: isobutylene- containing fraction. Reagent 2: methanol. Reaction conditions: isobutylene to methanol molar ratio is 1.01- 1.1: 1. Catalyst is sulfocationite in H-form, two reaction zones. Methanol is fed to first reaction zone and process is carried out to 95-99% conversion at temperatures from 25-40 to 80-110 C the resulting MTBE is separated in rectification column and the unreacted compounds are fed to second zone where process is carried out at temperatures from 25-40 to 45-58 C. EFFECT: improved properties of the title compound. 1 dwg

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RU 2 063 398 C1

Authors

Kapustin P.P.

Vorozhejkin A.P.

Rjazanov Ju.I.

Gavrilov G.S.

Ukhov N.I.

Dates

1996-07-10—Published

1994-01-13—Filed

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