Separation of toluene from methyl isobutyl ketone by azeotropic

Details Separation of toluene from methyl isobutyl ketone by azeotropic Separation of toluene from methyl isobutyl ketone by azeotropic

1993-02-22

1993-10-05

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 68, 203 70, 568410, 585864, 585866, 585867, B01D 336, C07C 706, C07C 4584

Patent

active

052501574

ABSTRACT:
Toluene cannot be separated from methyl isobutyl ketone by conventional distillation or rectification because of the minimum boiling azeotrope. Toluene can be readily separated from methyl isobutyl ketone by using azeotropic distillation. Typical examples of effective agents are 1-butanol, 2-methoxyethanol and n-heptane.

REFERENCES:
patent: 2265220 (1941-12-01), Sullivan
patent: 2544562 (1951-03-01), Michael
patent: 2871169 (1959-01-01), Martin
patent: 3265592 (1966-08-01), Van Der Weel
patent: 3276973 (1966-10-01), Burmaster
patent: 4163696 (1979-08-01), Wong
Azeotropic Data-III, Horsley, Publ. by American Chemical Society, Washington, D.C., 1973 pp. 202, 246-247, 253.

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