Table 2: Chemical parameters determined for the wastewater effluent samples (WPT). The results represent the means of 3 replicates and the Standard Deviations (SD) are indicated after the ± sign.
| Parameters |
Units |
Wastewater Treatment Plants Effluents |
|
|
WPT1
|
WPT2
|
WPT3
|
| Temperature |
°C |
26.3 ± 0.2 |
27.0 ± 0.1 |
27.6 ± 0.01 |
| pH |
- |
7.96 |
7.47 |
7.10 |
| Total phosphorus |
mg L-1
|
19.64 ± 0.1 |
3.75 ± 0.2 |
4.22 ± 0.02 |
| Total nitrogen |
mg L-1
|
99.13 ± 0.02 |
18.64 ± 0.1 |
3.10 ± 0.1 |
| N-NH4
|
mg L-1
|
90.75 ± 0.03 |
17.06 ± 0.02 |
2.84 ± 0.02 |
| N-NO3
|
mg L-1
|
8.29 ± 0.01 |
1.81 ± 0.01 |
0.32 ± 0.03 |
| N-NO2
|
mg L-1
|
0.08 ± 0.1 |
0.013 ± 0.2 |
0.002 ± 0.2 |
| N/P ratio |
- |
5.04 |
4.97 |
0.73 |
| Fats and oil |
mg L-1
|
20.26 ± 1.2 |
8.03 ± 2.2 |
10.75 ± 1.8 |
| BOD |
mg L-1
|
212 ± 0.8 |
28 ± 1.2 |
43 ± 0.5 |
| TSS |
mg L-1
|
117 ± 0.5 |
27 ± 0.2 |
40 ± 0.3 |