ASARCO » MillingThe ore is ground into a fine powder by large rotating mills. The two types used in the Mission South Mill are called SAG (semi-autogenous grinding) mills and ball mills. . Concentrate is just a fine powder of the mineral chalcopyrite which is a.chalcopyrite used mills,Galvanic Interaction between Chalcopyrite and Pyrite with Low Alloy .Jul 17, 2013 . Wet milling in ball mills followed by flotation is the general practice . are nobler than the grinding media used during grinding; therefore,.
chalcopyrite used mills