Table 8.
Main physicochemical properties of feed (FD) and permeate (PR) samples collected during the RO test with “aged” OMW2-CA.
| VCR | P (bar) |
pH | Conductivity (µs/cm) | COD (mg/L) | Phenols (mg/L) | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FD | PR | FD | PR | R (%) | FD | PR | R (%) | FD | PR | R (%) | ||
| 1.00 | 30 | 5.91 | 4.82 | 13,500 | 117.4 | 99.13 | 40,200 | 2050 | 94.90 | 1025 | 5.2 | 99.49 |
| 1.14 | 30 | 5.87 | 4.84 | 14,200 | 135.2 | 99.05 | 44,500 | 2120 | 95.24 | |||
| 1.33 | 30 | 5.93 | 4.85 | 15,300 | 198.7 | 98.70 | 55,450 | 2290 | 95.87 | |||
| 1.60 | 30 | 5.94 | 4.87 | 16,450 | 240.1 | 98.54 | 67,800 | 2370 | 96.50 | |||
| 2.00 | 30 | 5.89 | 4.83 | 17,930 | 303.8 | 98.31 | 84,300 | 3540 | 95.80 | 2320 | 11.0 | 99.53 |
| 2.67 | 30 | 5.93 | 4.90 | 19,800 | 318.4 | 98.39 | 98,650 | 5900 | 94.02 | |||