Purification of propylene oxide
The invention is a method of purifying propylene oxide containing 25-100 ppm aldehyde impurities. The method comprises contacting the propylene oxide in the liquid phase with an amine-functionalized ion exchange resin, and recovering a purified propylene oxide product containing 10 ppm, or less, aldehydes.
Lyondell Chemical Technology, L.P.
C
C07D
inventional
Xiangmin Lawrence M. Brian A
Li Candela Salisbury