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The physical properties and thermodynamic parameters used in the calculations
| Substance | Specific heat (J kg−1 K) | Solidification heat (J kg−1) | Sublimation heat (J kg−1) | Average density (kg m−3) |
|---|---|---|---|---|
| Water | 4181 | 334,000 | – | 1000 |
| Ice | 2095 | – | – | 917 |
| CO2 | 850 (gas) | – | 573,000 (dry ice) | 1300 (dry ice) |
| Solid sludge components (average) | 1 950 | – | – | 1019 |
