Coagulant | The largest removal rate (%) | The best dosage (mg/L) | The best pH | The proportion of aluminum to phosphorus |
Aluminum chloride | 74.9 | 50 | 6.5 - 8.5 | 84 |
Aluminum sulfate | 62 | 40 | 5 - 9 | 223 |
Poly aluminum chloride | 80 | 30 - 50 | 6 - 8 | 63 |