... powder, metallic powder (Fe / Si powder), iron scale, iron sludge, precipitator dust, iron concentrate, the final production can be press into ... Machine can be used to suppress the pulverized coal, iron, coal, aluminum, iron, iron oxide, carbon powder, charcoal powder, slag, gypsum, ... the preparation.4,Binder and other additives ( such as sulfur removal agent ) users according to coal and its use ...