Effect of combined primary and secondary amine loadings on the adsorption mechanism of CO2 and CH4 in biogas.
DOI: 10.1016/j.cej.2021.130294Jan. 1, 2021
Adsorbents
-
AEAPT S-1.6 Grafted SBA-15
AEAPT S-2.5 Grafted SBA-15
AEAPT S-2.8 Grafted SBA-15
APTES S-1.4 Grafted SBA-15
APTES S-1.7 Grafted SBA-15
APTES S-2.6 Grafted SBA-15
S-0 SBA-15
TAEPT S-1.7 Grafted SBA-15
TAEPT S-2.4 Grafted SBA-15
TAEPT S-3.5 Grafted SBA-15
Data points
| # | Adsorbent | Gas | q / mol kg⁻¹ | S / mol mol⁻¹ | -ΔH / kJ mol⁻¹ |
|---|---|---|---|---|---|
| 641 | S-0 SBA-15 | Carbon dioxide/Methane | 0.45 | 10.0 | 10.0 |
| 642 | APTES S-1.4 Grafted SBA-15 | Carbon dioxide/Methane | 0.73 | 50.0 | 38.0 |
| 643 | APTES S-1.7 Grafted SBA-15 | Carbon dioxide/Methane | 0.95 | 100.0 | 45.0 |
| 644 | APTES S-2.6 Grafted SBA-15 | Carbon dioxide/Methane | 1.3 | 250.0 | 33.0 |
| 645 | AEAPT S-1.6 Grafted SBA-15 | Carbon dioxide/Methane | 0.66 | 30.0 | 25.0 |
| 646 | AEAPT S-2.5 Grafted SBA-15 | Carbon dioxide/Methane | 1.11 | 100.0 | 25.0 |
| 647 | AEAPT S-2.8 Grafted SBA-15 | Carbon dioxide/Methane | 1.55 | 350.0 | 42.0 |
| 648 | TAEPT S-1.7 Grafted SBA-15 | Carbon dioxide/Methane | 0.65 | 35.0 | 22.0 |
| 649 | TAEPT S-2.4 Grafted SBA-15 | Carbon dioxide/Methane | 0.75 | 80.0 | 28.0 |
| 650 | TAEPT S-3.5 Grafted SBA-15 | Carbon dioxide/Methane | 1.45 | 120.0 | 30.0 |