Molybdenum recovery

Details Molybdenum recovery Molybdenum recovery

C - Chemistry, Metallurgy

07

D

C07D 301/19 (2006.01) C07C 29/48 (2006.01) C07C 29/84 (2006.01) C07C 31/12 (2006.01) C07D 303/04 (2006.01)

Patent

CA 2070127

MOLYBDENUM RECOVERY (Docket No. 80,999-F) ABSTRACT OF THE DISCLOSURE 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 heavy liquid distillation fraction is saturated with ammonia to precipitate the molybdenum therefrom for recovery.

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