... , toner , toner , slag , gypsum, tailings , sludge , kaolin , activated carbon, coke powder and other end , Powder , waste, waste residues, are widely used in refractory ... (scrap iron, copper scrap, aluminum scrap, etc.), granular powder metal powder (iron powder, aluminum powder, copper powder, lead powder, etc.) , metallurgical additives, sponge iron, etc., without ...