Table 4. Recovery Ratios of Sulfur in [MEA][Lac] + H2O with Different Mass Fractions of H2O.
| entry | IL | solvent (mass fraction) | T/°C | PH2S/MPa | RS/% |
|---|---|---|---|---|---|
| 1 | [MEA][Lac] | 40.0 | 1.10 | 95.4 ± 1.2 | |
| 2 | [MEA][Lac] | H2O (25%) | 40.0 | 1.10 | 86.8 ± 1.1 |
| 3 | [MEA][Lac] | H2O (50%) | 40.0 | 1.10 | 72.4 ± 1.2 |