Recovery of molybdenum values from dilute solutions

Details Recovery of molybdenum values from dilute solutions Recovery of molybdenum values from dilute solutions

1978-11-20

1980-07-08

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

423 55, 423 58, 423 61, 423593, 423166, C01G 3900

Patent

active

042117534

ABSTRACT:
Molybdenum is recovered from dilute, ammoniacal, molybdenum containing solutions by adding ferrous ions to the solution to precipitate an iron hydroxide-ammonium molybdate complex. The precipitate is separated from the aqueous raffinate and is treated with acid to resolubilize the molybdenum in the complex. Molybdenum values are recovered from the resulting acid solution by ion exchange. The aqueous raffinate is purged of iron and is reused.

REFERENCES:
patent: 2079805 (1937-05-01), Judd
patent: 2460975 (1949-02-01), Carosella
patent: 3770869 (1973-11-01), Kim et al.
patent: 3983017 (1976-09-01), Szabo
patent: 4116488 (1978-09-01), Hsueh et al.

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