Method for solution mining of uranium ores

Details Method for solution mining of uranium ores Method for solution mining of uranium ores

1979-02-26

1982-03-23

Miller, Edward A.

Mining or in situ disintegration of hard material

In situ conversion of solid to fluid

Dissolving or chemical reaction

423 17, E21B 4328, C01G 4300

Patent

active

043209238

ABSTRACT:
In the solution mining of uranium ores using an aqueous ammonium carbonate leaching solution containing hydrogen peroxide and/or molecular oxygen as oxidant, permeability of the ore formation during the leaching operation is maintained or improved by including a small amount of alkali metal silicate dissolved in the leaching solution. The silicate also improves the stability of the oxidant in many instances.

REFERENCES:
patent: 3687627 (1972-08-01), Stalter
patent: 3746646 (1973-07-01), Boixader
patent: 3792903 (1974-02-01), Rhoades
patent: 3865435 (1975-02-01), Sarcen
patent: 3951594 (1976-04-01), Smolens
patent: 3996151 (1976-12-01), Kirner
patent: 4103963 (1978-08-01), Espenscheid et al.
patent: 4155982 (1979-05-01), Hunkin et al.

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