Separation of aromatic from olefinic hydrocarbons by extractive

Details Separation of aromatic from olefinic hydrocarbons by extractive Separation of aromatic from olefinic hydrocarbons by extractive

1991-07-01

1992-08-04

Manoharan, Virginia

Distillation: processes, separatory

Adding material to distilland except water or steam per se

At least two materials

203 58, 203 63, 585808, 585860, 585865, B01D 340

Patent

active

051356171

ABSTRACT:
Aromatic hydrocarbons containing 6-10 carbon atoms per molecule are separated from close-boiling olefinic hydrocarbons by extractive distillation employing N-(.beta.-hydroxyethyl)-2-pyrrolidone and/or cyclohexanol as solvent.

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