Purification of propylene oxide by extractive distillation

Details Purification of propylene oxide by extractive distillation Purification of propylene oxide by extractive distillation

1977-08-05

1979-02-20

Bascomb, Jr., Wilbur L.

Distillation: processes, separatory

Vaporization zone under positive pressure or vacuum

Including the addition of water or steam

203 96, 26034837, B01D 340, C07D30102

Patent

active

041405889

ABSTRACT:
Propylene oxide is separated from contaminating quantities of methanol and acetone by extractive distillation with water.

REFERENCES:
patent: 2550847 (1951-05-01), Mitchell et al.
patent: 2622060 (1952-12-01), Robeson et al.
patent: 2751337 (1956-06-01), Goddin et al.
patent: 3409513 (1968-11-01), Hamlin et al.
patent: 3418338 (1968-12-01), Gilman et al.
patent: 3578568 (1971-05-01), Washall
patent: 3715284 (1973-02-01), Burns

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