Process for the recovery of molybdenum from mixtures of molybden

Details Process for the recovery of molybdenum from mixtures of molybden Process for the recovery of molybdenum from mixtures of molybden

1980-12-19

1983-08-30

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Group vib metal

75101BE, 252412, C01G 3900

Patent

active

044016310

ABSTRACT:
Recovery of molybdenum from a solid mixture, such as an exhausted catalyst, containing molybdenum in the oxide form or in the form of molybdic ions and other metallic compounds.
The mixture is contacted with an aqueous alkali metal hydroxide to solubilize molybdenum in the form of an alkali metal molybdate, and after filtration the aqueous solution of alkali metal molybdate thus obtained is contacted with a strong cationic exchange resin to convert said molybdate into molybdic acid.

REFERENCES:
patent: 3957946 (1976-05-01), Ronzio et al.
patent: 4046852 (1977-09-01), Vertes et al.
patent: 4079116 (1978-03-01), Ronzio et al.
patent: 4145397 (1979-03-01), Toida et al.
patent: 4199551 (1980-04-01), Laferty et al.

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