Process for the separation of diolefins from mixtures containing

Details Process for the separation of diolefins from mixtures containing Process for the separation of diolefins from mixtures containing

1975-01-15

1977-02-22

Lutter, Frank W.

Distillation: processes, separatory

Adding material to distilland except water or steam per se

At least two materials

203 58, 208326, 2606815R, B01D 334

Patent

active

040090841

ABSTRACT:
A multi-stage process for the solvent extraction of butadiene from a mixed feed stock containing butadiene, C-4 saturated and olefinic hydrocarbons and acetylenic compounds is disclosed wherein the feed stock is contacted with N-formyl morpholine and C-4 saturated and olefinic hydrocarbons are separated therefrom in a first stage and, in a second stage, the solvent and acetylenic compounds present in the feed stock are respectively separated from one another.

REFERENCES:
patent: 3050573 (1962-08-01), Anderson et al.
patent: 3201492 (1965-08-01), Sherk
patent: 3434936 (1969-03-01), Luther et al.
patent: 3795588 (1974-03-01), Preusser et al.

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