Separation of N-hexane from vinyl acetate by extractive distilla

Details Separation of N-hexane from vinyl acetate by extractive distilla Separation of N-hexane from vinyl acetate by extractive distilla

1992-12-15

1993-07-06

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 58, 203 60, 203 63, 203 62, 203 65, 560248, 585860, 585864, 585865, 585866, B01D 340, C07C 708, C07C 6754

Patent

active

052250504

ABSTRACT:
Hexane cannot be removed from hexane - vinyl acetate mixtures by distillation because of the minimum boiling azeotrope. Hexane can be readily removed from vinyl acetate by extractive distillation. Typical effective agents are phenol, 1-nitropropane and benzyl alcohol.

REFERENCES:
patent: 2171795 (1939-09-01), Kautter
patent: 3394057 (1968-07-01), Miller et al.
patent: 3691021 (1972-09-01), Feldman et al.
patent: 3736236 (1973-05-01), DiFiore et al.
patent: 4897161 (1990-01-01), Berg et al.
patent: 4925533 (1990-05-01), Berg
patent: 5106460 (1992-04-01), Berg

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