... pulverized coal, iron, coal, aluminum, iron, iron oxide, carbon powder, charcoal powder, slag, gypsum, tailings, sewage sludge, kaolin, activated carbon, coke ... into the molding machine hopper, the material units forming pressure from small to big, the roll center connection at molding ... in the installation of iron removal part of the process from the preparation.4,Binder and other additives ( such as ...