Table 2. Recovery Ratios of Sulfur in the Three Functional ILs with Different Solventsa.
|
RS |
|||
|---|---|---|---|
| ILs | pure ILs | mIL:mEG = 1:1 | mIL:mH2O = 1:1 |
| [MEA][Lac] | 95.4 ± 1.2 | 96.4 ± 1.1 | 72.4 ± 1.2 |
| [TMG][Lac] | 92.5 ± 1.1 | 91.8 ± 1.1 | 85.7 ± 1.1 |
| [N2222][Lac] | 91.2 ± 1.0 | 90.3 ± 1.2 | 78.7 ± 1.2 |
The conditions of the Claus reaction: temperature, 40.0 °C; initial pressure of H2S, 1.1 MPa.