Molybdenum recovery from epoxidate

Details Molybdenum recovery from epoxidate Molybdenum recovery from epoxidate

1995-05-12

1996-04-02

Evans, Joseph E.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423 55, 423 58, 423 61, 549541, 588223, C01G 3900, C07D30119, C07D30304

Patent

active

055038131

ABSTRACT:
Epoxidate from the molybdenum catalyzed epoxidation of an olefin such as propylene with a hydroperoxide such as ethylbenzene hydroperoxide is treated with 2 to 15 times the stoichiometric equivalent of aqueous base such as sodium hydroxide to form Na.sub.2 MoO.sub.4 and the resulting mixture is phase separated to separate an organic phase reduced in molybdenum and a net aqueous stream containing removed molybdenum, the mass ratio of the organic phase to the net aqueous stream being 450-3,000/I.

REFERENCES:
patent: 4075277 (1978-02-01), Castagna et al.
patent: 4328191 (1982-05-01), Su et al.
patent: 4403572 (1983-09-01), Moore et al.
patent: 4455283 (1984-06-01), Sweed
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patent: 5171868 (1992-12-01), Albal et al.
patent: 5276235 (1994-01-01), Dubner
patent: 5290527 (1994-03-01), Marquis et al.

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