Removal of water and acetone from propylene oxide by...

Details Removal of water and acetone from propylene oxide by... Removal of water and acetone from propylene oxide by...

C - Chemistry, Metallurgy

07

D

C07D 301/32 (2006.01) B01D 3/40 (2006.01) C07D 303/04 (2006.01)

Patent

CA 2070866

REMOVAL OF WATER AND ACETONE FROM PROPYLENE OXIDE BY EXTRACTIVE DISTILLATION (Docket No. 81,118-F) ABSTRACT OF THE DISCLOSURE An extractive distillation agent consisting essentially of ethylene carbonate, propylene carbonate or a mixture thereof is fed to an extractive distillation column used for the distillation of propylene oxide contaminated with water to obtain an overhead distillate fraction consisting of essen- tially anhydrous propylene oxide, and a heavier bottoms distillation fraction containing substantially all of the extraction distillation solvent and water introduced into the distillation column.

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