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THERMODYNAMIC PROPERTIES OF REFRIGERANT-ABSORBENT COMBINATIONS FOR ABSORPTION PROCESSES BY THE UNIFAC GROUP CONTRIBUTION THEORY.

Author(s) : YARON I., JELINEK M., BORDE I.

Summary

FOR NONELECTROLYTE REFRIGERANT-ABSORBENT COMBINATIONS, VAPOUR-LIQUID EQUILIBRIA DATA ARE TRANSFORMED, USING THE UNIFAC GROUP CONTRIBUTION THEORY, TO THERMODYNAMIC PROPERTIES NECESSARY FOR THE BEHAVIOUR OF THESE SOLUTIONS. IN THE VAPOUR PHASE, NON-IDEALITIES ARE DERIVED FROM A VIRIAL EQUATION OF STATE TAKING INTO ACCOUNT NON-POLAR, POLAR, ETC, ASSOCIATIONS BETWEEN MOLECULES. LINEARLY TEMPERATURE-DEPENDENT GROUP INTERACTION PARAMETERS WERE EVALUATED FOR SOME GROUPS OF POTENTIAL IMPORTANCE IN ABSORPTION SYSTEMS. WITH THESE PARAMETERS, EXCESS THERMODYNAMIC PROPERTIES WERE CALCULATED AND ENTHALPY-CONCENTRATION AND EXERGY-CONCENTRATION CHARTS WERE CONSTRUCTED.

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Pages: 71-77

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Details

  • Original title: THERMODYNAMIC PROPERTIES OF REFRIGERANT-ABSORBENT COMBINATIONS FOR ABSORPTION PROCESSES BY THE UNIFAC GROUP CONTRIBUTION THEORY.
  • Record ID : 1985-0564
  • Languages: English
  • Source: [Refrigeration serving humanity]. Proceedings of the XVIth international Congress of Refrigeration.
  • Publication date: 1983/08/07

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