... 3 between a water-soluble inorganic polymers, chemical, general formula for [ AL2 (OH) NCL6-NLm] where m on ... coagulant is the essence of inorganic coagulant for the low-molecular crystal salt. The PAC ... varied composition, coagulation and sedimentation speed, suitable for a wide range of PH value, non-corrosive ... dosage, the general raw water turbidity in the 100-500mg / L, the dosage for each 1000 tons ...