Viscosities, densities, and speed of sound of the cycloalkanes with secondary alcohols at T = (293.15, 298.15, and 303.15) K:: New UNIFAC-VISCO interaction parameters

In this work, dynamic viscosities, densities, and speeds of sound have been measured over the whole composition range and at 0.1 MPa for binary mixtures ( cyclopentane and cyclohexane with 2-propanol, 2-butanol, and 2-pentanol) at several temperatures T = (293.15, 298.15, and 303.15) K along with the properties of the pure components. Excess molar volumes, molar isentropic compressibilities, excess molar isentropic compressibilities, and viscosity deviations for the binary systems at the above-mentioned temperatures were calculated and fitted to the Redlich-Kister equation to determine the fitting parameters and the root-mean-square deviations. The UNIQUAC equation was used to correlate the experimental viscosity data. The UNIFAC-VISCO and ASOG-VISCO methods, which are based on contribution groups, were used to predict the dynamic viscosities of the binary mixtures. The interaction parameters of cycloalkanes with a secondary alcohol (CHcy/OHs) have been determined for their application in the predictive UNIFAC-VISCO method.