Phase diagram of gas-hydrate slurries in gas-shortage
Résumé
When the two condensed phases (solid and liquid) of a gas-hydrate slurry are separated from the corresponding gaseous phase (i.e. the slurry is in gas-shortage), thermodynamic equilibria ruling the coexistence of the gas molecules in the liquid and solid phases still apply. These two condensed phases can then be seen as in equilibrium with a virtual gas phase, the pressure of which would be less than the actual pressure applied on the slurry.
When the thermophysical state of the slurry is modified, mass transfers between the solid and liquid phases may occur. Those transfers significantly modify the thermal behaviour of the slurry.
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