Table 3. Comparison with Other DESs from the Literature under Low Partial Pressures of SO2 and NO2ab.
| absorbents | T (°C) | CSO2 (%) and CNO2 (%) in volume fraction | absorption capacity of SO2 | absorption capacity of NO2c | refs |
|---|---|---|---|---|---|
| EG-TEAB | 50 | 0.1, 0.15 | 0.186 | 0.186 | this work |
| EG-TPAB | 50 | 0.1, 0.15 | 0.186 | 0.206 | this work |
| EG-TBAB | 50 | 0.1, 0.15 | 0.226 | 0.296 | this work |
| Im-H2O | 40 | 0.2 | 0.267c | (38) | |
| [P4442][Tetz] | 20 | 0.2 | 0.190c | (39) | |
| EmimCl-NFM | 20 | 0.2 | 0.135c | (40) | |
| PPZBr-Gly (1:6) | 20 | 0.1 | 0.130c | (41) | |
| [E2Py]Cl | 20 | 20 | 1.155c | (42) | |
| Bisazole-based DESs | 20 | 0.1 | 1.402c | (43) | |
| EmimCl-EPyBr (3:1) | 20 | 0.1 | 0.698c | (44) | |
| TBAB-CPL DESs | 20 | 0.1 | 0.764c | (45) |
a
In units of grams of NO2 per gram of DES.
b
In units of grams of SO2 per gram of DES.
c
In units of grams of SO2 per gram of IL.