Heterogenous carrier flotation technique for recovering finely ground chalcopyrite particles using coarse pyrite particles as a carrier

• Cu 2+ -treated pyrite improved fine chalcopyrite flotation recovery as a carrier. CuSO 4 treatment of its hydrophobic interactions with particles. The mineral particles in is limited owing to the low collision probability between and air bubbles. carrier method can enhance particle by attaching fines coarse In this study, an attempt was made improve using Flotation experiments for finely ground (D 50 ∼ 3 µm) were conducted without (–125+106 potassium amyl xanthate collector. results showed that untreated did not act effective amount attached significant; furthermore, into froth around 65% both pyrite. When pre-treated solution, ability significant becoming -activated being recovered (Cu recovery, >90%). Overall, hydrophobicity, which Thus, -treatment promotes attachment their increased from fines.