Recovery of uranium from material containing iron, arsenic and s

Details Recovery of uranium from material containing iron, arsenic and s Recovery of uranium from material containing iron, arsenic and s

1980-10-01

1983-09-27

Kyle, Deborah L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

423 18, 423 20, 423 87, 423139, 423140, C01G 4301, C01G 2800, C01G 5311

Patent

active

044068646

ABSTRACT:
A process for the recovery of uranium values from uranium-containing material which also contains iron, arsenic and siliceous matter, includes leaching the uranium-containing material in aqueous sulphuric acid solution under conditions to provide dissolved iron present in the resultant leach solution as predominantly ferrous iron rather than ferric iron and/or to provide a sulphuric acid concentration in the leach solution sufficiently high to substantially prevent the precipitation of arsenates. Uranium values are recovered from the leach solution by solvent extraction agent which has little affinity for arsenic.

REFERENCES:
patent: 3268288 (1966-08-01), Goren
patent: 4272490 (1981-06-01), Sefton et al.
Merritt, Robert C. "The Extractive Metallurgy of Uranium", 1971, pp. 59-83, 182-187, 469-472, 477-480.
Bailar, J. C. et al., Eds., "Comprehensive Inorganic Chemistry", vol. 2, Pergamon Press, p. 612.

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