Ultrafine Grinding an overview ScienceDirect Topics
G. Deschênes, in Gold Ore Processing (Second Edition), 2016. 4.4 Ultrafine Pyrrhotite Concentrate. Ultrafinegrindingis used to liberate gold finely disseminated in metallic sulfides. KCGM is the first gold mine using ultrafinegrindingfollowed by cyanidation (Ellis and Gao, 2002).The gold sulfide concentrate is grind with an IsaMill to a P 80 of 10–12 μm.