RECOVERY OF PROPYLENE OXIDE FROM CONTAMINANTS BY DISTILLATION IN THE PRESENCE OF ACETONE OR ACETONE-METHANOL MIXTURES

摘要

Propylene oxide may be efficiently separated from contaminants present in the propylene/oxygen reaction effluent by adding a liquid boiling between 35 DEG C and 100 DEG C, which is not reactive with propylene oxide, to the reaction effluent and distilling propylene oxide from the resulting mixture. Propylene oxide is useful for the production of petroleum demulsifiers, surface active materials, urethane polyols and propylene glycols.