VLE calculation for non-polar fluid mixtures and polymer solutions using a SAFT-VR type equation of state
Resource
Fluid Phase Equilibria 232 (2005), 100–112
Journal
Fluid Phase Equilibria 232 (2005), 100–112
Pages
-
Date Issued
2005
Date
2005
Author(s)
Tsai, Jung-Chin
DOI
246246/2006111501233109
Abstract
An equation of state (EOS) using an improved expression of the coordination number model for square well (SW) fluids with variable
well width was applied for vapor–liquid equilibrium (VLE) calculations of non-polar fluid mixtures and polymer solution. This modified
coordination number model was compared with other equations in literature. Better agreement with molecular simulation data for fluid
mixtures is observed from this study. Pure fluid parameters for non-polar low molecular weight compounds and polymers are reported.
Satisfactory calculated results for the saturated properties are obtained. VLE calculations on non-polar fluid mixtures and polymer solutions
were investigated using the van der Waals mixing rules. The equilibrium pressures, solvent solubility and activity of various binary systems
were evaluated. This EOS presents comparably good results in comparison with those from other engineering models.
Subjects
Equation of state
VLE
Non-polar
Polymer solution
Publisher
Taipei:National Taiwan University Dept Chem Engn
Type
journal article
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