Survey of the occurrence of Ra-226 in the Rio Algom Quirke I uranium mill, Elliot Lak

CIM Bulletin, Vol. 74, No. 830, 1981

J.M. SKEAFF, Research Scientist, Process Metallurgy Section, Mineral Sciences Laboratories, CANMET, Energy, Mines and Resources Canada, Ottawa

The main solution, ore and residue pulp streams in the Rio Algom Quirke I uranium mill at Elliot Lake have been sampled and analyzed for radium-226. Analysis of the ore and leached residues indicates that Ra-226 dissolves and precipitates within the first pachuca tank. A maximum of approximately 0.2% of the Ra-226 in the ore remains in solution during leaching.
Keywords: Radium, Rio Algom Ltd., Quirke mill, Elliot Lake, Leaching, Acid drainage, Radionuclides, Uranium tailings, Ore processing.