Method for controlled oligomerization/etherification of propylen

Details Method for controlled oligomerization/etherification of propylen Method for controlled oligomerization/etherification of propylen

1985-07-22

1986-02-18

Doll, John

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

Organic compounds

Oxygen containing

585510, 585515, 585520, 585526, C07C 4304, C07C 228

Patent

active

045714398

ABSTRACT:
Propylene contained in mixed C.sub.3 /C.sub.4 streams containing at least 5 wt. % isobutene, for example, catalytic cracker offgas, may be recovered as a useful gasoline component by reacting in the presence of methanol to etherify and oligomerize the propylene in liquid phase at 80.degree. to 130.degree. C. at LHSV 2 to 5 in the presence of an acidic cation exchange resin whereby the product contains oligomers which are primary C.sub.6 to C.sub.8 mono olefins, methyl isopropyl ether, methyl tertiary butyl ether and unreacted material, by maintaining a residual of methanol in the product stream of 0.03 to 0.9 wt. % based on the product stream.

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