Table 1. Wastewater Characteristics of the Secondary Effluent as Sampled from the Shafdan UWTPc,d.
| parameter | WW1 | WW2 |
|---|---|---|
| chemical oxygen demand (COD)b | 40 mg/L | 34 mg/L |
| biological oxygen demand (BOD5)b | 6 mg/L | 7 mg/L |
| dissolved organic carbon (DOC)a | 9.2 mg/L (unspiked) | 8.9 mg/L (unspiked) |
| spiked = 10 μL of bacterial stock per liter of wastewater | 11.9 mg/L (spiked) | 10.7 mg/L (spiked) |
| dissolved total carbona | 51.0 mg/L (unspiked) | 43.1 mg/L (unspiked) |
| spiked = 10 μL of bacterial stock per liter of wastewater | 55.0 mg/L (spiked) | 44.9 mg/L (spiked) |
| total nitrogen (TN)a | 16.2 mg/L | 14.4 mg/L |
| total suspended solids (TSSs)a | 6.1 mg/L | 7.0 mg/L |
| absorbance at 365 nm | 0.0634 A | 0.0698 A |
| 1 cm path lengtha | ||
| turbidity (NTU)b | 2.2 | 2.7 |
| pHb | 7.4 | 7.5 |
| unspiked E. coli loada | 667 CFU/mL | 467 CFU/mL |
| unspiked other coliforms loada | 3300 CFU/mL | 2567 CFU/mL |