флотация
vedelikukeskkonda dispergeeritud tahkise (maagipulbri) rikastamine, mis põhineb komponentide erineval märguvusel, the concentration of valuable minerals from ores by agitation of the ground material with water, oil, and flotation chemicals; the valuable minerals are generally wetted by the water or the oil, lifted to the surface by clinging air bubbles, and then floated off