... sewage sludge, kaolin, activated carbon, coke powder and other powder, powder, waste, waste residue, widely used in refractories, metallurgical, chemical, electric factory, energy ... coke, iron oxide skin and dust ash, slime, powder metallurgy, sea Kam iron carbon products, such as material ... 2,The moisture should be controlled within 8-15%. (How much of the water into a ball the greatest impact, ...