Research Article
Screening of Pure ILs and DESs for CO2 Separation, N2O Separation, and H2S Separation Processes
Table 4
The optimal conditions (Ts, Pa), the absorbent amounts (mabs), and the energy consumption (Qtot) of the commercial absorbents.
| Absorbents | Gas streams | Ts (K) | Pa (bar) | mabs (g∙gX−1) | Qtot (GJ∙tonX−1) |
| 30 wt % MEA | Effluent gases | 373.15–393.15 | 75.18–105.16 | 2.31–1.97 | 5.29–5.57 | Kiln gas | 373.15–393.15 | 102.66–144.38 | 2.20–1.89 | 3.88–4.05 | Biomass syngas | 373.15–393.15 | 65.20–114.38 | 2.36–1.95 | 3.28–3.37 | Biogas [11] | 373.15–393.15 | 6.50–23.73 | 3.51–2.43 | 3.80–3.84 |
| 30 wt % MDEA | Effluent gases | 373.15–393.15 | 39.10–53.78 | 2.34–2.02 | 3.79–4.10 | Kiln gas | 373.15–393.15 | 54.12–74.71 | 2.23–1.94 | 2.94–3.17 | Biomass syngas | 373.15–393.15 | 45.56–80.19 | 2.29–1.92 | 2.77–3.01 | Biogas [11] | 373.15–393.15 | 0.96–2.64 | 5.70–3.66 | 2.66–2.50 |
| DEPG for selexol | Effluent gases | 299.15–323.15 | 16.68–102.43 | 200.57–12.29 | 1.75–2.55 | Kiln gas | 299.15–323.15 | 9.08–54.03 | 157.58–10.54 | 0.92–1.28 | Biomass syngas | 299.15–323.15 | 7.97–55.07 | 143.82–7.36 | 0.82–1.13 | Biogas [11] | 299.15–323.15 | 6.38–36.11 | 128.45–9.40 | 0.69–0.88 |
| H2O | High-sulfur natural gas | 299.15–323.15 | 11.77–119.58 | 102.88–7.14 | 0.77–1.56 |
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