Table 2 Physico-chemical characteristics of Bahr El-Baqar drain before treatment
Physcio-chemical parameters | Units | Mean ± SD |
|---|---|---|
Temp | oC | 28.4 ± 0.538 |
pH | – | 7.20 ± 0.02 |
EC | dS/m | 1.54 ± 0.16 |
TSS | mg/L | 88.9 ± 1.5 |
CO3 | mg/L | ND |
HCO3 | mg/L | 146 ± 0.814 |
NH4 + | mg/L | 13.1 ± 1.1 |
BOD | mg/L | 38 ± 1.3 |
Turbidity | NTU | 40.8 ± 0.8 |
Major anions | ||
Cl − | mg/L | 1100 ± 5.7 |
SO4 2 − | mg/L | 346 ± 2.6 |
PO4 3 − | mg/L | 1.3 ± 0.2 |
Major cations | ||
Ca 2 + | mg/L | 165 ± 29 |
Na + | mg/L | 734 ± 11.3 |
K + | mg/L | 30 ± 1.7 |
Mg 2 + | mg/L | 82 ± 12 |
Trace metals | ||
Cd | mg/L | 0.045 ± 0.005 |
Cr | mg/L | 0.61 ± 0.01 |
Cu | mg/L | 0.72 ± 0.01 |
Fe | mg/L | 3.2 ± 0.01 |
Pb | mg/L | 0.29 ± 0.005 |
Mn | mg/L | 0.28 ± 0.006 |
Zn | mg/L | 0.57 ± 0.01 |