Hydrometallurgical process for the treatment of ores

Details Hydrometallurgical process for the treatment of ores Hydrometallurgical process for the treatment of ores

1978-06-28

1981-06-09

Hunt, Brooks H.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 20, B01D 1100, B01F 100, C01G 4300, C01G 5600, C22B 1100

Patent

active

042724902

ABSTRACT:
A process for the recovery of uranium values from uranium-bearing material by sulphuric acid leaching when the material also contains siliceous matter which is at least partly soluble in sulphuric acid. The process comprises leaching the material with sulphuric acid in an aqueous slurry under oxidizing conditions at a temperature within the range of from about 65.degree. C. to about 200.degree. C. and at elevated pressure, with sulphuric acid being present in a quantity only slightly in excess of the amount required to dissolve the uranium and any other element whose dissolution is desired, to produce an insoluble residue containing siliceous matter and a leach solution containing dissolved values of uranium and any other desired element.

REFERENCES:
patent: 2826481 (1958-03-01), Forward et al.
patent: 3920788 (1975-11-01), Mercier et al.
patent: 4017309 (1977-04-01), Johnson
patent: 4131639 (1978-12-01), Mather

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