All issues Volume 76 (2021) Oil Gas Sci. Technol. – Rev. IFP Energies nouvelles, 76 (2021) 75 Full HTMLThe optimized constants for calculating the activity of water (Eq. (11)).
| Gas | Quaternary ammonium salt | Mass fraction | T range | k1/K | k2 |
|---|---|---|---|---|---|
| Methane | TBAB | 0.0350 | 281.9 ≤ T ≤ 287.0 | 652.526 | 1.962 |
| 0.0490 | 282.3 ≤ T ≤ 288.1 | 843.704 | 2.607 | ||
| 0.1500 | 286.5 ≤ T ≤ 292.4 | 1216.127 | 3.799 | ||
| TBAA | 0.0990 | 283.9 ≤ T ≤ 288.3 | 967.775 | 3.067 |
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