Process for the separation of dienic and/or aromatic hydrocarbon

Details Process for the separation of dienic and/or aromatic hydrocarbon Process for the separation of dienic and/or aromatic hydrocarbon

1980-09-12

1982-02-23

Gantz, Delbert E.

Mineral oils: processes and products

Fractionation

Liquid extraction with solvents

203 60, 208330, 585808, 585810, 585856, 585863, C10G 708, C10G 2120, C10G 2122

Patent

active

043167969

ABSTRACT:
Dienic and/or aromatic hydrocarbons are separated from hydrocarbon fractions employing known liquid-liquid extraction and/or extractive distillation procedures and at least one sulfonamide solvent conforming to the general formula ##STR1## wherein R', R" and 4'" can be linear or branched, saturated or unsaturated, aliphatic groups possessing from 1 to 18 carbon atoms, wherein two or three of groups R', R" and R'" can be identical, wherein one of the groups R" and R'" can be replaced with a hydrogen atom, and wherein at least one of groups R', R" and R'" is unsaturated.

REFERENCES:
patent: 2225910 (1940-12-01), Gurd et al.
patent: 2385981 (1945-10-01), Friedman
patent: 2433751 (1947-12-01), Friedman
patent: 4170547 (1979-10-01), Atlani et al.

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