Fluid Phase Equilibria, ( ISI ), Volume (293), No (2), Year (2010-6) , Pages (209-218)

Title : ( A new three-parameter cubic equation of state for calculation physical properties and vapor–liquid equilibria )

Authors: A. Haghtalab , M.J. Kamali , Seyed Hossein Mazloumi , P. Mahmoodi ,
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A new three-parameter cubic equation of state is presented by combination of a modified attractive term and van der Waals repulsive expression. Also a new alpha function for the attractive parameter of the new EOS is proposed. The new coefficients of alpha function and the other parameters of the attractive term are adjusted using the data of the saturated vapor pressure and liquid density of almost 60 pure compounds including heavy hydrocarbons. The new EOS is adopted for prediction of the various thermophysical properties of pure compounds such as saturated and supercritical volume, enthalpy of vaporization, compressibility factor, heat capacity and sound velocity. Following successful application of the new EOS for the pure components, using vdW one-fluid mixing rules, the new EOSs are applied to prediction of the bubble pressure and vapor mole fraction of the several binary and ternary mixtures. The accuracy of the new EOS for phase equilibrium calculation is demonstrated by comparison of the results of the present EOSs with the PT, PR, GPR and SRK cubic EOSs.

Keywords

Three parameters cubic equation of state New alpha function Vapor–liquid
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@article{paperid:1031853,
author = {A. Haghtalab and M.J. Kamali and Mazloumi, Seyed Hossein and P. Mahmoodi},
title = {A new three-parameter cubic equation of state for calculation physical properties and vapor–liquid equilibria},
journal = {Fluid Phase Equilibria},
year = {2010},
volume = {293},
number = {2},
month = {June},
issn = {0378-3812},
pages = {209--218},
numpages = {9},
keywords = {Three parameters cubic equation of state New alpha function Vapor–liquid equilibria Binary Ternary},
}

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%0 Journal Article
%T A new three-parameter cubic equation of state for calculation physical properties and vapor–liquid equilibria
%A A. Haghtalab
%A M.J. Kamali
%A Mazloumi, Seyed Hossein
%A P. Mahmoodi
%J Fluid Phase Equilibria
%@ 0378-3812
%D 2010

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