Minerals | Free FullText | Clean Utilization of Limonite Ore by ... MDPI
The limonite ore was first crushed to −2 mm using a double roller crusher and then ground to 60 wt.% passing 74 μm by a ball mill. A suspension magnetization roasting system consisting of a small vertical tube furnace (OTF1200XSVT, HFKejing Hefei China), a multichannel proton flowmeter control system (GSLLCD, HFKejing Hefei China), and ...