Table 10. Effect of nHLac:n[TMG][Lac] on SO2 Absorption and the Claus Reaction in [TMG][Lac] Aqueous Solutiona.
| nHLac:n[TMG][Lac] | absorption capacity (g SO2/g abs) | RS/% |
|---|---|---|
| 0:1 | 0.089 | 85.7 |
| 0.05:1 | 0.081 | 85.7 |
| 0.1:1 | 0.078 | 85.7 |
| 0.2:1 | 0.073 | 87.3 |
| 0.3:1 | 0.069 | 88.1 |
The concentration of [TMG][Lac] in aqueous solutions is 50 wt %, the concentration of SO2 is 2 vol %, the temperature of SO2 absorption is 40.0 °C, and the temperature of the Claus reaction is 40.0 °C.