Water chemicals
Polyferric sulfate

Features:
| Before processing | After processing | ρ(Flocculant)/ mg·L-1 |
| Dark blue liquid | Colorless clarified water |
Lime milk adjust the PH value to 8 ~ 9 Poly iron:400 |
| PH:12.5 | PH:7.2 | |
| COD:950mg/L | COD:500mg/L |
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