Process for separating an ethylenically unsaturated hydrocarbon

Details Process for separating an ethylenically unsaturated hydrocarbon Process for separating an ethylenically unsaturated hydrocarbon

1986-05-02

1987-12-22

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Product blend, e.g., composition, etc., or blending process...

With nonhydrocarbon additive

585 2, C07C 720

Patent

active

047147938

ABSTRACT:
An extractive distillation process for selectively separating an ethylenically unsaturated hydrocarbon from a mixture containing hydrocarbon liquids having similar boiling points wherein an amine acts as a selective solvent and polymerization inhibitor. For example, styrene can be separated from a mixture of styrene and o-xylene using aminoethyl piperazine as the solvent for the distillation.

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