Tailings Disposal, Generation of Acidity from Pyrrhotite and Limestone Neutralization of Wastewater at Falconbridge's Onaping Mines

CIM Bulletin, 1971

L. S. RIVETT, Assistant General Superintendent, Falconbridge Area, U. M. OKO, Industrial Wastes Control Engineer, Falconbridge Nickel Mines Limited, Falconbridge, Ontario

The Strathcona mine, with a large new underground _operation and concentrator, was recently brought into\ production by Falconbridge Nickel Mines Ltd. The tailings disposal and water utilization problems at Strathcona are described in t his paper, with sections devoted to the Moose Lake watershed system, tailing impounds, the construction of dams and the operation of the Moose Lake neutralization plant for the elimination of acidity, including the equipment used.
Keywords: Dams, limestone, Limestone Bin, Moose Lake, sulphuric acid, tailings, water pollution, Mill, Neutralization, oxidation, Plants, Systems, Water, Waters