Lower alkylene oxide purification

Details Lower alkylene oxide purification Lower alkylene oxide purification

1991-07-25

1992-07-28

Bascomb, Jr., Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

Organic compound

203 70, 203 75, 203 80, 203DIG19, 549541, B01D 340, C07D30132

Patent

active

051338394

ABSTRACT:
The present invention provides an improved process for the separation of impurities from a lower alkylene oxide, such as propylene oxide, by a process wherein the impure propylene oxide is first fractionally distilled to separate higher and lower boiling impurities, then the partially purified alkylene oxide is subjected to extractive distillation to separate additional impurities, the purified propylene oxide being separated as an overhead fraction.

REFERENCES:
patent: 3338800 (1967-08-01), Binning et al.
patent: 3464897 (1969-09-01), Jubin
patent: 3578568 (1971-05-01), Washall
patent: 3632482 (1972-01-01), Hoory et al.
patent: 3843488 (1974-10-01), Schmidt et al.
patent: 3881996 (1975-05-01), Schmidt
patent: 4402794 (1983-09-01), Nemet-Mavrodin et al.
patent: 5000825 (1991-03-01), Shih

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