Liquid-vapor balance
Chemical thermodynamics - Thermodynamic equilibria
Article REF: J1028 V1
Liquid-vapor balance
Chemical thermodynamics - Thermodynamic equilibria

Author : Jean-Pierre CORRIOU

Publication date: June 10, 1985 | Lire en français

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1. Liquid-vapor balance

1.1 Diagrams

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1.1.1 Isotherms

In figure 1 , the AB part of the isotherm, with a temperature below the critical temperature, corresponds to the vapour phase, which behaves like a perfect gas at low pressure. The near-vertical DE section corresponds to the liquid phase, whose compressibility is very low except when approaching critical point C. The horizontal line BD constitutes the liquefaction stage. At B, saturated vapor...

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