Table 3. Characteristics of supernatant in each experiment.
Experiment |
I |
II |
III |
||||||
Supernatant |
Initial* |
Final |
Initial* |
Final |
Initial* |
Final |
|||
pH |
7.3 |
7.3 |
7.5 |
7.0 |
7.6 |
7.2 |
|||
TSS (mg L-1) |
1,370 |
-- |
2,925 |
30 |
2,030 |
880 |
|||
FSS (mg L-1) |
410 |
-- |
1,215 |
0 |
830 |
270 |
|||
VSS (mg L-1) |
960 |
-- |
1,710 |
30 |
1,200 |
610 |
|||
COD (mg L-1) |
9,720 |
434 |
1,203 |
180 |
4,259 |
746 |
*supernatant formed at the 5th day |
|