Method of removing uranium from a slurry containing molybdenum

Details Method of removing uranium from a slurry containing molybdenum Method of removing uranium from a slurry containing molybdenum

1981-06-12

1983-07-12

Carter, Herbert T.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 58, 423 61, C01G 4300

Patent

active

043930280

ABSTRACT:
Disclosed is a method of removing uranium from a slurry containing a water-insoluble molybdate and a Group II element, usually calcium. The pH of the slurry is raised with an alkali metal hydroxide and maintained at a level sufficiently high to solubilize insoluble molybdenum compounds. This will generally require a pH of at least 10 which can be achieved by adding sodium hydroxide. Carbonate ion is then added to the slurry in an amount at least sufficient to precipitate the cation of the insoluble molybdenum compound. And finally, the solid portion of a slurry, which now contains calcium carbonate and sodium uranate, is separated from the liquid portion, which contains a soluble molybdenum compound.

REFERENCES:
patent: 2950951 (1960-08-01), Sherk
patent: 3097919 (1963-07-01), Hays et al.
patent: 3288570 (1966-11-01), Henrickson
patent: 4092399 (1978-05-01), Narayan et al.

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