les minerais du nickel. Froth flotation is a process for selectively separating hydrophobic materials from hydrophilic This is used in mineral processing, paper recycling and waste-water .On a examiné la faisabilité technique du lessivage à l'ammoniac de concentrés de flottation de, Heap and tank leaching of copper and nickel from a Platreef .Aprés de flottation du cuivre et de …