2018-1-1 · 1. Introduction. Flotation is a water-intensive process; thus, to minimize the use of freshwater, most mining operations use recycled water, underground water, saline water, or seawater, which contain various inorganic electrolytes (Wang and Peng, 2014).Seawater is used in the Las Luces copper-molybdenum (Cu-Mo) beneficiation plant in Taltal, Chile (Moreno et al., 2011), in which the copper ...