... , iron oxide, carbon powder, charcoal powder, slag, gypsum, tailings, sewage sludge, kaolin, activated carbon, coke powder and other powder, powder, waste, waste residue, ... pressure reaches the maximum value, the material through the line, forming pressure is smaller so quickly materials into ... coke, iron oxide skin and dust ash, slime, powder metallurgy, sea Kam iron carbon products, such as material ...