Extractive distillation with furfural and alicyclic ketone solve

Details Extractive distillation with furfural and alicyclic ketone solve Extractive distillation with furfural and alicyclic ketone solve

1975-03-03

1976-12-07

Yudkoff, Norman

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 62, 252364, 2606815R, 260677A, B01D 340

Patent

active

039961133

ABSTRACT:
An extractive distillation cosolvent comprising furfural-alicyclic or acyclic C.sub.5 -C.sub.8 ketone having a boiling point of 130.degree.-180.degree. C., for example cyclohexanone, gives 20% or more improved hydrocarbon solubility and provides a more efficient process for separation of C.sub.4 and C.sub.5 hydrocarbons of varying degrees of saturation.

REFERENCES:
patent: 2366360 (1945-01-01), Semon
patent: 2434796 (1948-01-01), Hachmuth
patent: 2440442 (1948-04-01), Hillyer et al.
patent: 3350282 (1967-10-01), Davis et al.
patent: 3350283 (1967-10-01), Makin et al.
patent: 3496069 (1970-02-01), Tschopp et al.
patent: 3546108 (1970-12-01), Skarada

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