Functions of various treatment processes
1. Aeration: - Some iron oxidation, degassing of CO2, improvement of Dissolved oxygen.
2. Mixing Chlorine: - Biological control of organics/ Algae.
3. Mixing Alum/ Poly Aluminum Chloride :Coagulation
4. Flocculation: - Promotion of floc size.
5. Settling: - Removal of suspended matter and organics.
6. Rapid Gravity Sand filtration: - Final Clarification