The different processes underwater treatment are given under List 1, and the purpose of the treatment process is given under List 2
|
List 1 |
List 2 |
|
C. Filtration |
1. Disinfection |
|
D. Aeration |
2. Removal of calcium and magnesium cations |
|
E. Zeolite process |
3. Removal of suspended impurities |
|
F. Ozone treatment |
4. Process converts Iron and manganese from Their soluble state to insoluble state. |
1
C - 3, D - 2, E - 1, F - 4
2
C - 3, D - 4, E - 2, F - 1
3
C - 4, D - 3, E - 1, F - 2
4
C - 2, D - 1, E - 3, F - 4