Separation of 1,1,1-trichloroethane from N-hexane by extractive

Details Separation of 1,1,1-trichloroethane from N-hexane by extractive Separation of 1,1,1-trichloroethane from N-hexane by extractive

1991-09-09

1992-04-21

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 60, 203 62, 203 63, 203 64, 570262, 585860, 585864, 585865, 585866, B01D 340, C07C 708, C07C 1738

Patent

active

051064600

ABSTRACT:
1,1,1-Trichloroethane cannot be completely separated from n-hexane by conventional distillation or rectification because of the minimum boiling azeotrope. 1,1,1-Trichloroethane can be readily separated from n-hexane by extractive distillation. Typical effective agents are: methyl isoamyl ketone, amyl acetate and isobutanol.

REFERENCES:
patent: 3113079 (1963-12-01), Bergeron
patent: 3349008 (1967-10-01), Vives
patent: 3658657 (1972-04-01), Bursack et al.
patent: 3658658 (1972-04-01), Bursack et al.
patent: 3989601 (1976-11-01), Boozalis et al.

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