Process for the preparation of a mixture consisting essentially

Details Process for the preparation of a mixture consisting essentially Process for the preparation of a mixture consisting essentially

1980-10-27

1983-03-22

Howard, Jacqueline V.

Fuel and related compositions

Liquid fuels

Aluminum or heavy metal, other than lead, containing

44 56, 568697, C10L 118

Patent

active

043773931

ABSTRACT:
A fuel for a carburetor type engine consisting essentially of isobutene oligomers and methyl tert.-butyl ether, said fuel prepared by a process comprising:
(a) in a first step contacting a mixture of straight chain and branched butanes and butenes with an acid catalyst whereby to oligomerize 50% to 90% by weight of the isobutene contained therein:
(b) contacting the reaction mixture from step (a) with at least a molar amount of methanol, relative to the residual isobutene, in the presence of an acid catalyst; and
(c) separating off from the reaction mixture unreacted butanes and butenes.

REFERENCES:
patent: 2255275 (1941-09-01), Stahly
patent: 2384796 (1945-09-01), Carmody et al.
patent: 2480940 (1949-09-01), Leum et al.
patent: 3482952 (1969-12-01), Sieg et al.
patent: 4039590 (1977-08-01), Ancillotti et al.
patent: 4182913 (1980-01-01), Takezono et al.

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