Table 1.
Critical properties of several solvents used in SFE processes [8].
| Solvent | Critical Temperature °C | Critical Pressure MPa |
|---|---|---|
| Water | 374.0 | 22.1 |
| Methanol | −34.4 | 8.0 |
| Carbon dioxide | 31.2 | 7.3 |
| Ethane | 32.4 | 4.8 |
| Nitrous oxide | 36.7 | 7.1 |
| Propane | 96.6 | 4.2 |
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