... nickel sulphate, copper sulphate, potassium chloride, acetate, borax, soda, rubber additives, dye, plastic raw material, soap, grease, resin, salt, ... gourmet powder, food additives, vitamins, herbicides, insecticides and dewatering of copper, zinc, ... 3) Under the function of centrifugal force, the liquid passes through the filtering medium and discharges out ...