Some operating concerns in carbonate leaching

CIM Bulletin, Vol. 72, No. 804, 1979
D. H. BELL, Mill Superintendent, Eldorado Nuclear Ltd., Eldorado, Saskatchewan
Abstract The paper will cover the basic reasons for alkaline leaching, a brief description of the circuit and the reasons for the flowsheet used. Changes made to the flowsheet, including the use of mechanical agitation of pachuca slurry, the use of oxygen and its effect on extraction, the use of lime and its effect on process economy, and the environment, will be described. A brief description of a unique semi-autogenous mill and future circuit changes will be included.
Keywords: Hydrometallurgy, Uranium metallurgy, Leaching, Carbonate leaching, Alkaline leaching, Beaverlodge operation, Eldorado Nuclear Ltd., Grinding, Precipitation, Pachucas, Manpower.
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