Process Parameter |
Aeration |
Pretreatment: Sedimentation |
Coagulation |
Coarse Filtration |
Rapid Filtration |
Slow Filtration |
Chlorination |
Turbidity |
0 |
2 |
3 |
2 |
3 |
4 |
0 |
Bacteria |
0 |
1-2 |
0-1 |
2-3 |
2 |
4 |
4 |
Color |
0 |
1 |
3 |
1-2 |
1 |
2 |
2 |
Odor & Taste |
2 |
1 |
1 |
2 |
2 |
2 |
1 |
Organic Substances |
1 |
2 |
1 |
3 |
3 |
4 |
4 |
Iron & Manganese |
2 |
1 |
1 |
3* |
4* |
4 |
0 |
No effect: 0
*in combination with aeration
Increasing effectiveness: 1-4