Measurement and Predict Thermo Physical Properties of Binary Liquid Mixtures at Various Temperatures Using Redlich-Kister Model

R. Ramesh¹, A. Hisyam¹, A.Z. Sulaiman² and K. Ramesh^1,

¹Process Systems Engineering group (PSEG), Faculty of Chemical & Natural Resources Engineering, Universiti Malaysia Pahang, Gambang, MALAYSIA

²Faculty of Chemical & Natural Resources Engineering, Universiti Malaysia Pahang, Gambang, MALAYSIA

Cite this paper:
R. Ramesh, A. Hisyam, A.Z. Sulaiman and K. Ramesh. Measurement and Predict Thermo Physical Properties of Binary Liquid Mixtures at Various Temperatures Using Redlich-Kister Model. Chemical Engineering and Science. 2014; 2(2):18-23. doi: 10.12691/ces-2-2-2

Abstract

Excess molar volume and viscosities are one of the important fundamental data for the design and optimization of chemical process. In this study, excess molar volume and viscosities of 1,4 Dioxane with two hydrocarbons Bromobenzene and Ethyl benzene have been measured over the entire range of composition at (303.15, 308.15, and 313.15) K. From experimentations excess volumes, V^E, and deviations in viscosities, Δη, are calculated. The calculated excess volumes, V^E and deviations in viscosities, Δη exhibited positive and negative values respectively over the whole range of composition in both binary systems. The Redlich-Kister Model was used to correlate excess volumes, V^E, and deviations in viscosities, Δη, to derive the binary coefficients and standard deviations of these systems. The fitted outcomes and the calculated data clearly indicated that weak interactions present in two mixtures. It is mainly because of number and position of methyl groups exist in these aromatic hydrocarbons. It can conclude that the experimental values are predicted well by the Redlich-Kister Model with high degree of precision.

Keywords:
Redlich-Kister Model excess molar volume and viscosity measurement

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