Extractive distillation of hydrocarbon mixtures

Details Extractive distillation of hydrocarbon mixtures Extractive distillation of hydrocarbon mixtures

1976-09-08

1977-05-17

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Adding material to distilland except water or steam per se

At least two materials

203 57, 203 58, 203 62, 203 78, 203 84, 203 73, 260677A, 2606815R, B01D 340, C07C 708, C07C 1116

Patent

active

040240282

ABSTRACT:
Hydrocarbons having different degrees of saturation are separated by extractive distillation using selective solvent comprising a mixture of dimethylsulfone, methylethylketone and sulfolane.

REFERENCES:
patent: 2360859 (1944-10-01), Evans et al.
patent: 2434424 (1948-01-01), Morris et al.
patent: 2455803 (1948-12-01), Pierotti
patent: 2750435 (1956-06-01), Fetchin
patent: 2816943 (1957-12-01), Delaplaine
patent: 3350282 (1967-10-01), Davis et al.
patent: 3350283 (1967-10-01), Makin et al.
patent: 3716620 (1973-02-01), Deschamps et al.
patent: 3898135 (1975-08-01), Tidwell et al.

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