Paper Information

Journal:   IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY TRANSACTION B- ENGINEERING   2003 , Volume 27 , Number B2; Page(s) 253 To 260.
 
Paper: 

EFFECTS OF SOLUTE SIZE ON THE CHEMICAL POTENTIAL IN INFINITE DILUTION SUPERCRITICAL SOLUTIONS AND SOLUBILITY CALCULATION IN SUPERCRITICAL EXTRACTION: AN INTEGRAL EQUATION APPROACH

 
 
Author(s):  LOTF ELAHI M.N., MODARES H., MANSOURI GH.A.
 
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Abstract: 
Considering the Lennard-Jones (LJ) intermolecular potential function and solving simultaneously the Ornstein-zernike(OZ) and the percus-yevick(PY) equations, the radial distribution function (RDF) and the correlation functions are obtained and used in the kjellander equation to calculate the reduced residual chemical potential at infinite-dilution for binary mixtures. The calculations are performed for various values of size ratio and energy ratio in order to determine the effect of solute size on the residual chemical potential. Also in this work for the first time, the phase equilibrium equation based on the integral equation is applied to calculate the solubility of naphthalene in supercritical carbon dioxide. To represent the intermolecular interactions, the Lennard-Jones (LJ) potential function is used.
 
Keyword(s):  SOLUBILITY, SUPERCRITICAL FLUIDS, INTEGRAL EQUATION, ORNSTEIN-ZERNIKE EQUATION, CHEMICAL POTENTIAL
 
References: 
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