Process for recovery of ethylene oligomers

Details Process for recovery of ethylene oligomers Process for recovery of ethylene oligomers

1979-06-21

1980-10-21

Davis, C.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

585523, 585836, C07C 310

Patent

active

042296072

ABSTRACT:
An improvement as described for the recovery of ethylene oligomers from the reaction product obtained when ethylene is oligomerized by contact in the liquid phase at elevated temperatures and pressures with a nickel complexed catalyst dissolved in an aliphatic diol solvent. In this improved process, the liquid oligomer product phase, after separation from gaseous and dissolved ethylene and liquid diol solvent, is subject to an aqueous acid wash followed optionally and preferably by a water wash to hydrolyze and extract diol solvent degradation products which carry through from the oligomerization reaction zone.

REFERENCES:
patent: 3644564 (1972-02-01), van Zwet et al.
patent: 3647914 (1972-03-01), Glockner et al.
patent: 3647915 (1972-03-01), Bauer et al.
patent: 3676523 (1972-07-01), Mason
patent: 3686351 (1972-08-01), Mason
patent: 3737475 (1973-06-01), Mason
patent: 3825615 (1974-07-01), Lutz
patent: 4020121 (1977-04-01), Kister et al.

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