... to suppress the pulverized coal, iron, coal, aluminum, iron, iron oxide, carbon powder, charcoal powder, slag, gypsum, tailings, sewage sludge, ... The machine for loose materials, such as powdered coke, iron oxide skin and dust ash, slime, powder metallurgy, sea Kam ... roller and the shaft, the use of the department should be in the installation of iron removal part of the process from the preparation ...