... of PAC-WPD is slightly corrosive and suitable for the automatic dosing and convenient for operation. Furthermore, it will not ... higher standards for drinking water treatment. UseA, urban water supply and drainage cleaning: water, groundwater, river water, reservoir.B, industrial water purification.C, urban ... 0% Al 2O 3. High Purity Polyaluminum Chloride PAC for water treatment with best price