Table 7.
(A) Separation factor and (B) sugar retention for different membranes and temperature conditions with the enzymatic hydrolysate at 10 bar
| (A) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Membrane | Separation factor | |||||||
| RT | 40 °C | 50 °C | 60 °C | |||||
| NF270 | 1.06 | 1.58 | 1.26 | 1.32 | ||||
| DL | 1.04 | – | – | – | ||||
| NFX | 1.01 | – | – | – | ||||
| TS40 | – | 1.13 | 1.35 | – | ||||
| (B) | ||||||||
|---|---|---|---|---|---|---|---|---|
| Membrane | Retentiona (%) | |||||||
| RT | 40 °C | 50 °C | 60 °C | |||||
| C2 | C1 | C2 | C1 | C2 | C1 | C2 | C1 | |
| NF270 | 98.3 | 92.8 | 88.3 | 55.9 | 88.9 | 70.5 | 83.9 | 63.5 |
| DL | 88.2 | 84.6 | – | – | – | – | – | – |
| NFX | 99.8 | 98.4 | – | – | – | – | – | – |
| TS40 | – | – | 91.2 | 80.9 | 94.6 | 69.9 | – | – |
aThe retention of each sugar has been estimated for a pressure of 10 bar