Table 6.
Results of the RO screening tests with different types of NF and RO membranes (P = 30 bar, T = 25 °C). Feed: MF permeate of OMW2-CA (Conductivity = 13,200 µS/cm; COD = 40,180 mg/L; Phenols = 1070 mg/L).
| Membrane | Permeate Flux (L/m2h) |
Conductivity | COD | Phenols | |||
|---|---|---|---|---|---|---|---|
| PR (µS/cm) | R (%) | PR (mg/L) | R (%) | PR (mg/L) | R (%) | ||
| Desal AG | 7.00 | 138.6 | 98.95 | 2608 | 93.51 | 6.0 | 99.44 |
| Desal SC | 14.35 | 170.3 | 98.71 | 2326 | 94.21 | 9.1 | 99.15 |
| Desal DK | 60.61 | 1473 | 88.84 | 8249 | 79.47 | 112.8 | 89.46 |
| SW30 HR | 12.66 | 109.6 | 99.17 | 1736 | 95.68 | 2.9 | 99.73 |
| SW30 ULE | 12.04 | 151.8 | 98.85 | 2359 | 94.13 | 4.4 | 99.59 |
| BW30 | 33.26 | 159.7 | 98.79 | 2387 | 94.06 | 9.0 | 99.16 |
| NF 90 | 27.27 | 150.5 | 98.86 | 2668 | 93.36 | 7.5 | 99.30 |