New correlations for fitting multicomponent vapor-liquid equilibria data and prediction of azeotropic behavior

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45 Scopus citations

Abstract

Correlation equations for expressing vapor-liquid equilibria data as a function of liquid composition: the P-X (eqns 4-6), T-X (eqn 7) and Y-X (eqns 14-18), have been tested successfully. On the basis of the new correlations, equations are derived for predicting azeotropic behaviour of multicomponent mixtures and the kind of azeotrope (minimum, maximum and saddle type). Consequently, new ternary azcotropes were predicted. It was found that direct correlation of intensive properties of mixtures and vapor equilibria data is always much more efficient than a correlation based on complete information.

Original languageEnglish
Pages (from-to)1453-1465
Number of pages13
JournalChemical Engineering Science
Volume36
Issue number9
DOIs
StatePublished - 1 Jan 1981

ASJC Scopus subject areas

  • Chemistry (all)
  • Chemical Engineering (all)
  • Industrial and Manufacturing Engineering

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