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Physical Chemistry Research، جلد ۹، شماره ۴، صفحات ۶۵۱-۶۵۹
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عنوان انگلیسی Fick and Maxwell-Stefan Diffusion Coefficients in the Ternary Liquid Mixture of Acetone-Methanol-Chloroform
چکیده انگلیسی مقاله Fick diffusion coefficients are calculated by means of molecular simulation for liquid mixtures containing acetone, methanol and chloroform at 1 atm and 298 K for different compositions. For this means, Maxwell-Stefan (MS) diffusion coefficients were calculated using physical properties of the components and thermodynamic factors, Γ, using three different models of Wilson, NRTL and UNIQUAC. Because of the lack of experimental data for Fick diffusivities for ternary system, the validity of the model was tested by comparing Fick diffusivities obtained for binary subsystems with experimental data for acetone- chloroform system. The results were in good agreement. So the Fick coefficients, Maxwell-Stefan diffusion coefficient and the thermodynamic factors were predicted for the ternary mixture as well as its binary subsystems by molecular simulation in a consistent manner. The presented ternary diffusion data should facilitate the development of aggregated predictive models for diffusion coefficients of polar and hydrogen-bonding systems and allows for an efficient and consistent prediction of multicomponent Fick diffusion coefficients from molecular models.
کلیدواژه‌های انگلیسی مقاله Fick diffusion coefficient,Maxwell-Stefan,Wilson,NRTL,UNIQUAC
نویسندگان مقاله Abolhasan Ameri |
Chemical Engineering Department, Shiraz Branch, Islamic Azad University, Shiraz, Iran

Narjes Setoodeh |
Department of Chemical Engineering, Shiraz Branch, Islamic Azad University, Shiraz, Iran

نشانی اینترنتی https://www.physchemres.org/article_134291_030e16c2d1f6ff0448148b2f96bfe895.pdf
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