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Continuous Pilot Testing Confirms Floatability of Duluth Complex Sulfides.
Eng and Min J 1976 Apr; 177(4):80-83
The Bureau of Mines processed a 120-ton sample of Duluth Complex low grade copper-nickel ore to recover bulk sulfide floatation concentrates. Pilot plant results confirmed the concentrate grades and metal recoveries obtained in the laboratory.
Issue of Publication
Eng. and Min. J., V. 177, No. 4, April 1976, PP. 80-83
Page last reviewed: April 12, 2019
Content source: National Institute for Occupational Safety and Health Education and Information Division