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Process. Material input. Air emissions. Process wastes. Other wastes. Copper concentration. Copper ore, water, chemical reagents, thickeners : Flotation wastewaters
1 1 Froth Flotation – Fundamental Principles Froth flotation is a highly versatile method for physically separating particles based on differences in the ability of ...
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SURFACE COAL MINING MANAGEMENT. Paul Westcott. The geological characteristics of surface coal mining which distinguish it from other surface mining are the nature of ...
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Abutment — In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch ...