Table 1.
Concentrations of the different process streams in HT and Ty, and ratios between concentrations of RO retentate and NF permeate and RO retentate and feed
| Feed | NF Permeate | RO Retentate | (RO retentate)/(NF permeate) | (RO retentate)/Feed | ||||||
|---|---|---|---|---|---|---|---|---|---|---|
| HT (g L−1) | Ty (g L−1) | HT (g L−1) | Ty (g L−1) | HT (g L−1) | Ty (g L−1) | HT | Ty | HT | Ty | |
| 2015 | 0.64 | – | 0.57 | – | 5.79 | – | 10 | – | 9 | – |
| 0.66 | – | 0.55 | – | 4.54 | – | 8 | – | 7 | – | |
| 2016 | 1.44 | 0.34 | 1.29 | 0.22 | 11.24 | 2.03 | 9 | 9 | 8 | 6 |
| 1.68 | 0.43 | 1.48 | 0.30 | 12.69 | 1.94 | 9 | 7 | 8 | 4 | |
| 1.73 | 0.32 | 1.53 | 0.26 | 14.82 | 2.24 | 10 | 9 | 9 | 7 | |
| 2.01 | 0.37 | 1.66 | 0.29 | 15.05 | 2.47 | 9 | 9 | 8 | 7 | |
Feed to Nanofiltration (Feed), Nanofiltration Permeate (NF Permeate), Reverse Osmosis Retentate (RO Retentate), Hydroxytyrosol (HT) and Tyrosol (Ty)