Experimental density, viscosity, interfacial tension of water solubility of ethyl benzene-α-methyl benzyl alcohol-water system

E.W. Barega, E. Zondervan, A.B. Haan, de

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    Abstract

    Density, viscosity, interfacial tension, and water solubility were measured for the (a-methyl benzyl alcohol (MBA) + Ethyl benzene (EB)) system at different concentrations of MBA in contact with water and sodium hydroxide solution (0.01 mol · kg-1) as aqueous phases. The properties were measured to identify the component which plays a governing role in changing the physical properties relevant to mass transfer and phase separation of the ternary system. The concentration of MBA was found to be the major factor influencing all the properties. The water solubility, the density, and the viscosity increased notably at higher concentrations of MBA; while, the interfacial tension decreased strongly. The use of 0.01 mol · kg-1 NaOH as an aqueous phase resulted in a decrease of the interfacial tension and a minor decrease in the water solubility. The density data were correlated using a quadratic mixing rule to describe the influence of concentration at any temperature. The viscosity data are correlated using the Nissan and Grunberg and Katti-Chaudhri equations. The Szyzkowski’s equation was used to correlate the interfacial tension data. The water solubility data were described using an exponential relationship. All the correlations described the experimental physical property data adequately
    Original languageEnglish
    Pages (from-to)31-37
    JournalThe Journal of Chemical Thermodynamics
    Volume63
    DOIs
    Publication statusPublished - 2013

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