U1 | SSB effluent 1 | D1 | U2 | SSB effluent 2 | D2 | |
---|---|---|---|---|---|---|
Conductivity (µs/cm) | 451 | 720 | 540 | 475 | 765 | 509 |
Water temperature (°C) | 13.9** | 12.1 | 13.6** | 18.7* | 13.6 | 18.2* |
O2 saturation (%) | 113.5 | 111 | 120 | 116 | 118.2 | 111.7 |
O2 content (mg/L) | 10.92** | 11 | 11.6** | 9.94** | 11.31 | 9.83** |
NH4–N (mg/L) | 0.06* | – | <0.04** | <0.04** | <0.04 | <0.04** |
NO–N (mg/L) | 0.012 | – | 0.01 | 0.007 | 0.01 | 0.006 |
NO–N (mg/)L | 0.7 | – | 0.9 | 0.9 | 3.8 | 1.1 |
PO–P (mg/L) | <0.05* | – | <0.05* | <0.05* | <0.05 | <0.05* |
Carbonate hardness (°dH) | 16 | – | 15 | 19 | – | 19 |
Overall hardness (°dH) | 15 | – | 16 | 20 | – | 20 |
pH | 8.5* | – | 8.5* | 8.2* | 7.95 | 8.1* |
Chloride (mg/L) | 11** | – | 19** | 13** | 70 | 17** |