Table 4.
Characteristics of the NF permeate.
| Parameter | Unit | Value | Discharge limits |
|---|---|---|---|
| COD | mg/L | 102 | 160 |
| TSS | mg/L | 0 | 80 |
| NH4 | mg/L | 5.89 | 15 |
| P | mg/L | <2.5 | 10 |
| S | mg/L | 0.09 | 1 |
| Cr | mg/L | 7.92 | 2 |
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