Removal of trace quantities of molybdenum

Details Removal of trace quantities of molybdenum Removal of trace quantities of molybdenum

C - Chemistry, Metallurgy

07

D

C07D 301/19 (2006.01) B01J 31/40 (2006.01) B01J 38/48 (2006.01) C07C 29/48 (2006.01) C07C 29/84 (2006.01) C07C 31/12 (2006.01) C07D 301/32 (2006.01) C07D 303/04 (2006.01)

Patent

CA 2068603

REMOVAL OF TRACE QUANTITIES OF MOLYBDENUM (Docket No. 81,002-F) ABSTRACT OF THE CLOSURE An epoxidation reaction product formed by the molyb- denum catalyzed reaction of propylene with tertiary butyl hydroperoxide to provide propylene oxide and tertiary butyl alcohol is separated by distillation into a propylene frac- tion, a propylene oxide fraction, a tertiary butyl alcohol fraction and a heavy liquid distillation fraction composed primarily of tertiary butyl hydroperoxide, tertiary butyl alcohol, dissolved molybdenum catalyst, and impurities including lower aliphatic C1-C4 carboxylic acids, and the dissolved molybdednum content of the heavy distillation fraction is adjusted to about 300 to 500 ppm of dissolved molybdenum, if necessary, by treatment with a precipitating agent and contacted with a solid adsorbent consisting essen- tially of a synthetic, porous, high surface area amorphous magnesium silicate.

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