Developments in iron ore comminution and classification
01/01/2015#0183;#32;The original AG milling circuit consisted of an AG mill followed by cobber magnetic separation of pebbles, pebble milling of the magnetic concentrate, a finisher magnetic separation stage, and silica flotation. It was installed at Empire Mines in 1963, which had six individual concentrating lines with a capacity of Mtpa of pellets. There have been three expansions since, and in the 1990s