Research Article
Preparation and Coagulation Behavior of a Novel Multiple Flocculant Based on Cationic Polymer, Hydroxy Aluminum, and Clay Minerals
Table 13
Coagulation behaviors of CMHa versus PAC for dyeing-wastewater treatment (original wastewater 52 NTU).
| | Dosage of flocculants (mg/L) | CPAM (mg/L) | Settling time (s) | Residual turbidity (NTU) | Coagulation behaviors |
| | SPAC (200) | 10 | 120 | 20. 2 | Smaller alum floc | | CMHa (100) | 10 | 100 | 20. 5 | Smaller alum floc | | SPAC (400) | 10 | 100 | 10.3 | Smaller alum floc | | CMHa (200) | 10 | 80 | 10.8 | Larger alum floc | | Solid PFS (400) | 10 | — | — | Without effect | | Solid FeSO4 (400) | 10 | — | — | Without effect |
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