Table 3 Regeneration efficiency (%) at 65.0 °C of TPAB-Fa (1:2) for each cycle of DES recovery at the six pressure steps.
From: An environmentally friendly deep eutectic solvent for CO2 capture
Pressure/bar | \({\eta }_{reg}\text{\%}\) | ||||
|---|---|---|---|---|---|
First regeneration | Second regeneration | Third regeneration | Forth regeneration | Fifth regeneration | |
2.325 | 94.295 | 96.419 | 91.435 | 92.379 | 89.587 |
6.775 | 95.182 | 95.390 | 94.238 | 96.756 | 96.014 |
12.625 | 98.655 | 99.410 | 97.950 | 98.796 | 98.727 |
20.775 | 98.767 | 97.912 | 98.032 | 97.338 | 97.626 |
27.800 | 98.975 | 99.776 | 98.253 | 97.894 | 97.747 |
34.400 | 99.499 | 99.037 | 98.897 | 99.302 | 99.107 |
