C - Chemistry – Metallurgy – 22 – B
Patent
C - Chemistry, Metallurgy
22
B
53/212
C22B 60/02 (2006.01) E21B 43/28 (2006.01)
Patent
CA 1190749
TITLE Hydrogen Peroxide in Sulfuric Acid Extraction of Uranium Ores ABSTRACT OF THE DISCLOSURE Uranium can be extracted from its ores at a pH of 2.5 to 5.5 using sulfuric acid, hydrogen peroxide, trace of iron and a sulfate. The extraction process is applicable to both tank leaching of conventionally mined ores and in situ leaching.
399856
E. I. Du Pont de Nemours And Company
Mccallum Brooks & Co.
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