Laboratory and Pilot Plant Evaluation of Dyno Uranium Concentrate

Nelson R. Leist · Clark T. Hicks · Joseph R. Nelli

1959년 1월 · Office of Technical Services, Department of Commerce

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The Canadian Dyno Mines, Limited, started to produce a uranium concentrate in May, 1958. The laboratory and pilot plant evaluation of Dyno concentrate is presented in this report. This concentrate meets all FMPC impurity tolerance limits except thorium and chloride limits. The thorium limit can be met by the addition of phosphate as required for thorium-containing uranium concentrates. The high chloride content of this material will necessitate blending of the material with a good quality low-chloride-containing concentrate in the National Lead Company of Ohio refinery process. Laboratory digestion and extraction tests indicate that this material should present no other problems in pulse column processing.