TSM (Sodium bicarbonate) Air Classifying Mill. Remove more than 95% of SO 2 and 99% of HCl in exhaust gas. It is widely used in municipal waste incineration, hazardous waste incineration, sludge incineration, cement plants, glass plants, steel plants coke ovens and other industries to remove acidic substances in exhaust gas, such as SO 2, HCl ...