Experimental and Modeling of Densities and Viscosities of Binary Mixtures Containing MTBE/Alkan-2-ol

The density and viscosity of three binary mixtures composed of methyl tert-butyl ether (MTBE) with 2-propanol, 2-butanol, and 2-pentanol over the whole composition range at 293.15 to 323.15 K were measured. The excess molar volume and deviation in viscosity , were calculated and interpreted in terms of intermolecular interactions among the species in the mixtures. For all binary mixtures, negative values of and were fitted to the Redlich-Kister polynomial function. By increasing temperature, and were reduced and increased, respectively. The density of the binary systems was modeled in terms of the perturbed chain statistical associating fluid theory (PC-SAFT) and compared with the corresponding experimental data. Maximum of deviation between the experimental data and calculated values by this theory is 1.4% and belongs to the MTBE + 2-butanol system

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