Ultra Fine Grinding - A Practical Alternative to Oxidative . - IsaMilloperated an ultra fine grinding (UFG) circuit to supplement its roaster capacity . liberate the pyrite from the gangue allowing a low mass pyritic concentrate to be.ultrafine grinding of pyrite,IsaMill Ultrafine Grinding for a Sulphide Leach ProcessDec 14, 1998 . gold in close association with sulphide minerals such as pyrite and arsenopyrite. Ultrafine grinding provides an effective method of liberating.
ultrafine grinding of pyrite