Table 5 Results of biological filtration by date kernels
Parameter | Inlet wastewater to the reactor | Average output of the reactor at a height of 25Â cm | Average output of the reactor at a height of 50Â cm | Average output of the reactor at a height of 75Â cm | Average output of the reactor at a height of 100Â cm | Average output from drain valve reactor | Average final removal percentage |
|---|---|---|---|---|---|---|---|
PH | 8.1 | 8.1 | 8.1 | 8.1 | 0.5 ± 8.1 | 1 ± 7 | – |
DO (mg/L) | 2 | 0.2 ± 5 | 0.3 ± 5 | 0.3 ± 5 | 0.3 ± 5 | 0.3 ± 5 | – |
\({\text{BOD}}_{5}^{ - }\) (mg/L) | 5 ± 100 | 5 ± 80 | 5 ± 50 | 5 ± 20 | 5 ± 10 | 0.6 ± 3 | 98.48 |
COD (mg/L) | 10 ± 198 | 10 ± 150 | 7 ± 70 | 5 ± 30 | 5 ± 20 | 3 ± 15 | 92.42 |
\({\text{NO}}_{3}^{ - }\) (mg/L) | 5 ± 30 | 2 ± 20 | 1.5 ± 15 | 1 ± 8 | 0.5 ± 3 | 0.3 ± 0.6 | 99.4 |
\({\text{PO}}_{4}^{ - }\) (mg/L) | 3 ± 15 | 2 ± 10 | 1.5 ± 8 | 1 ± 4 | 0.8 ± 2 | 0.3 ± 1 | 93.3 |
Turbidity (NTU) | 0.5 ± 10 | 0.5 ± 9 | 0.5 ± 8 | 0.5 ± 7 | 0.5 ± 6 | 0.5 | 95 |
Color (TCU) | 10 ± 105 | 10 ± 100 | 10 ± 80 | 10 ± 75 | 10 ± 65 | 10 ± 60 | 42.8 |
Sulfate (mg/L) | 80 ± 600 | 80 ± 580 | 80 ± 480 | 80 ± 450 | 60 ± 430 | 50 ± 420 | 30 |
TSS (mg/L) | 0.2 ± 90 | 0.2 ± 40 | 0.2 ± 22 | 0.2 ± 15 | 0.2 ± 9 | 0.2 ± 1 | 98.9 |
ORP (mv) |  + 10 |  + 50 |  + 85 |  + 120 |  + 200 |  + 214 | – |
Amoxicillin (mg/L) | 3 ± 10 | – | – | – | – | 1 ± 8 | 20 |
Azithromycin (mg/L) | 0.3 ± 1.5 | – | – | – | – | 0.05 ± 1.3 | 13 |