Cation exchange modification of clinoptilolite -thermodynamic effects on adsorption separations of carbon dioxide, methane, and nitrogen.
DOI: 10.1016/j.micromeso.2018.08.035Jan. 1, 2019
Adsorbents
-
Ca2+ Clino
Ca2+ Clinoptilolite
Clinoptilolite
Cs+ Clino
Cs+ Clinoptilolite
Fe3+ Clino
Fe3+ Clinoptilolite
Raw Clinoptilolite
Data points
| # | Adsorbent | Gas | q / mol kg⁻¹ | S / mol mol⁻¹ | -ΔH / kJ mol⁻¹ |
|---|---|---|---|---|---|
| 1302 | Raw Clinoptilolite | Carbon dioxide/Methane | 1.7 | 3.04 | 34.0 |
| 1303 | Fe3+ Clino | Carbon dioxide/Methane | 0.95 | 2.57 | 48.0 |
| 1304 | Ca2+ Clino | Carbon dioxide/Methane | 1.4 | 14.0 | 54.0 |
| 1305 | Cs+ Clino | Carbon dioxide/Methane | 1.2 | 6.0 | 34.0 |
| 2979 | Raw Clinoptilolite | Carbon dioxide/Nitrogen | 1.7 | 5.31 | 34.0 |
| 2980 | Fe3+ Clino | Carbon dioxide/Nitrogen | 0.95 | 9.5 | 48.0 |
| 2981 | Ca2+ Clino | Carbon dioxide/Nitrogen | 1.4 | 8.24 | 54.0 |
| 2982 | Cs+ Clino | Carbon dioxide/Nitrogen | 1.2 | 15.0 | 34.0 |
| 4850 | Clinoptilolite | Methane/Nitrogen | 0.5 | 1.72 | 30.0 |
| 4851 | Cs+ Clinoptilolite | Methane/Nitrogen | 0.2 | 3.33 | 26.0 |
| 4852 | Fe3+ Clinoptilolite | Methane/Nitrogen | 0.32 | 3.2 | 30.0 |
| 5110 | Ca2+ Clinoptilolite | Nitrogen/Methane | 0.18 | 1.8 | 30.0 |