Table
2. Operation periods for the EGSB reactor, with desorption column. |
Operation period |
SO4-2 (mg/l) |
pH |
COD/SO4-2 |
Sulphate loading rate (g/Ld) |
|
15 |
900 |
7.5 |
4.7 |
3.6 |
|
16 |
900 |
7.0 |
4.7 |
3.6 |
|
17 |
900 |
6.5 |
4.7 |
3.6 |
|
18 |
1600 |
7.5 |
2.6 |
6.5 |
|
19 |
1600 |
7.0 |
2.6 |
6.5 |
|
20 |
1600 |
6.5 |
2.6 |
6.5 |
|
21 |
2100 |
7.5 |
2.0 |
8.5 |
|
22 |
2100 |
7.0 |
2.0 |
8.5 |
|
23 |
2100 |
6.5 |
2.0 |
8.5 |
|
VS was kept at 8.5 m/h |
|