Process for the in-situ leaching of uranium

Details Process for the in-situ leaching of uranium Process for the in-situ leaching of uranium

1978-07-28

1982-01-26

Kyle, Deborah L.

Chemistry of inorganic compounds

Treating mixture to obtain metal containing compound

Radioactive metal

299 4, 299 5, C01G 4300, E21B 4328

Patent

active

043128408

ABSTRACT:
Process for the in-situ leaching of uranium employing an alkaline lixiviant and an alkali metal or alkaline earth metal hypochlorite as an oxidizing agent. The use of the hypochlorite oxidant results in significantly higher uranium recoveries and leaching rates than those attained by the use of conventional oxidants. The invention is particularly suitable for use in subterranean deposits in which the uranium mineral is associated with carbonaceous material which retards access to the uranium by the lixiviant.

REFERENCES:
patent: 2725106 (1955-11-01), Spearow
patent: 2896930 (1959-07-01), Menke
patent: 2954218 (1960-09-01), Dew et al.
patent: 3098707 (1963-07-01), Lewis
patent: 3647261 (1972-03-01), Stenger et al.
patent: 3708206 (1973-01-01), Hard et al.
patent: 3819231 (1974-06-01), Fehlner
patent: 4071278 (1978-01-01), Carpenter et al.
patent: 4105253 (1978-08-01), Showalter
Merritt, R. C., The Extractive Metallurgy of Uranium, Colorado School of Mines, Research Institute (1971) pp. 63, 104 and 105.

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