Recovery of molybdenum

Details Recovery of molybdenum Recovery of molybdenum

1982-08-25

1983-09-20

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423 55, 423 56, 423 58, C01G 3900

Patent

active

044055722

ABSTRACT:
Molybdenum catalyst employed in the epoxidation of an olefin with an organic hydroperoxide preferably the epoxidation of propylene, is recovered from the bottoms fraction by adding aqueous alkaline material to the bottoms fraction and separating the aqueous phase. The molybdenum can be recovered from the aqueous phase by acidification and precipitating it as an insoluble compound.

REFERENCES:
patent: 2778777 (1957-01-01), Powell
patent: 3351635 (1967-11-01), Kollar
patent: 3463604 (1969-08-01), Tave
patent: 3763303 (1973-10-01), Khuri et al.
patent: 3819663 (1974-06-01), Levine
patent: 4140588 (1979-02-01), Schmidt
patent: 4315896 (1982-02-01), Taylor et al.
patent: 4317801 (1982-03-01), Taylor et al.

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