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Issue
Korean Journal of Chemical Engineering,
Vol.12, No.3, 289-299, 1995
UNIFIED EQUATION OF STATE BASED ON THE LATTICE FLUID THEORY FOR PHASE EQUILIBRIA OF COMPLEX MIXTURES PART II. APPLICATION TO COMPLEX MIXTURES
Yoo KP, Kim H, Lee CS
In part I of the present article [Yoo et al., 1995], new rigorous and simplified lattice-fluid equations of state (EOS) were derived and their characteristic features of the molecular thermodynamic foundation were discussed by applying to pure fluids. In this part II, both EOSs were extended to various phase equilibrium properties of mixtures. Comparison of the models with experimental mixture data ranges from density, to equilibria of vapor-liquid, vapor-solid and liquid-liquid phases for nonpolar/nonpolar, nonpolar/polar, polar/polar mixtures. Both models were also applied to supercritical fluid phase equilibria and activities of solvents in polymer solutions. With two temperature dependent parameters for pure compounds and one temperature-independent binary interaction energy parameter for a binary mixtures, results obtained to data illustrated that both EOSs are quantitatively applicable to versatile phase equilibria of mixtures over a wide range of temperatures, pressures and compositions.
Keywords: Theory; Equation of State; Nonrandom Lattice Fluid Theory; Fluid-Phase Equilibria; Complex Mixtures
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[Cited By]
  1. Park BH, Yeom MS, Yoo KP, Lee CS, Korean Journal of Chemical Engineering, 15(3), 246, 1998
  2. Kim J, Joung KC, Hwang S, Huh W, Lee CS, Yoo KP, Korean Journal of Chemical Engineering, 15(2), 199, 1998
  3. Shin HY, Yoo KP, Lee CS, Tamura K, Arai Y, Korean Journal of Chemical Engineering, 15(1), 15, 1998
  4. Lee BC, Korean Journal of Chemical Engineering, 15(1), 37, 1998
  5. Yoo KP, Kim H, Lee CS, Korean Journal of Chemical Engineering, 12(3), 277, 1995
  6. Lee CS, Kang JW, Korean Journal of Chemical Engineering, 22(3), 474, 2005
  7. Shin MS, Yoo KP, Lee CS, Kim H, Korean Journal of Chemical Engineering, 23(3), 469, 2006
  8. Shin MS, Yoo KP, Lee CS, Kim H, Korean Journal of Chemical Engineering, 23(3), 476, 2006
  9. Haghighi B, Shahidi D, Papari MM, Najafi M, Korean Journal of Chemical Engineering, 24(1), 1, 2007
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