PDF Beneficiation Plants and Pelletizing Plants for Utilizing Low Grade ...
Low Grade Iron Ore Tsutomu NOMURA *1, Norihito YAMAMOTO *2, Takeshi FUJII, Yuta TAKIGUCHI *3 ... (SAG mill) is used for the primary grinding, and a ball mill is used as the secondary for further grinding. An AG mill uses larger rocks of ore, while an SAG mill uses both larger rocks of ore and steel balls for the grinding. The ore to be ...