Journal
JOURNAL OF SOLUTION CHEMISTRY
Volume 39, Issue 8, Pages 1200-1212Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10953-010-9570-5
Keywords
Geometrical model; Redlich-Kister polynomial; Excess molar enthalpy; Thermodynamic model
Categories
Funding
- Chinese Natural Science Foundation [50774004]
- Changjiang Scholars and Innovative Research Team in University
- PCSIRT [IRT0708]
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In our previous papers, a new geometric model has been proposed for calculating the thermodynamic properties of a multi-component system in terms of the properties of its three sub-binary systems. This new model can overcome the inherent defects of the traditional symmetrical and asymmetrical geometric models. Consequently, it is more reasonable theoretically and more reliable in practical applications. However, calculations using this new model involve a series of integration processes which make it complicated and affects its applications. Since a large number of real systems can be approximately fit through a Redlich-Kister polynomial, in this paper a new formalism is presented for the model, based on the binary Redlich-Kister type parameters. The advantage of this treatment is that the whole integration process is avoided by using algebraic operations, thereby simplifying the calculation.
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