C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/210
C22B 60/02 (2006.01)
Patent
CA 1112459
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 improved by inclusion of a small amount of alkali metal silicate dissolved in the leaching solution. The silicate also improves the stability of the oxident in many instances.
290337
Lawes Bernard C.
Watts John C.
E.i. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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