May 29, 2024
Farkhondeh Mozaffari

Farkhondeh Mozaffari

Academic Rank: Associate professor
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Degree: Ph.D in -
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Faculty: Faculty of Nano and Biotechnology

Research

Title Modelling the volumetric properties of ionic liquids using a modified perturbed hard-spherechain equation of state
Type Article
Keywords
Journal PHYSICS AND CHEMISTRY OF LIQUIDS
DOI
Researchers Farkhondeh Mozaffari (First researcher)

Abstract

In this paper, a modified perturbed hard-sphere-chain equation of state (EOS) by Eslami [H. Eslami, Fluid Phase Equilib. 216 (2004) 21–26], is applied for modelling the thermodynamic properties of some ionic liquids (ILs). Two reliable scaling constants are used to determine two temperature-dependent parameters in the proposed EOS. The unique adjustable parameter that is reflecting the number of segments per molecule, r, compensates the uncertainties in the calculated temperature-dependent parameters. The reliability of the proposed EOS has been checked by comparing the results with 1561 experimental data points for 18 ILs over a broad range of pressures and temperatures. The overall average absolute deviation is 0.35%. A comparison of the predicted results, using the present EOS with the results of some previous models, indicates that the determined results of this EOS are in more accordance with experimental data than those.