Liquid-liquid equilibria of two binary systems: water plus 1-pentanol and water plus 2-methyl-2-butanol and two ternary systems: water plus 1-pentanol plus 2-butyloxyethanol and water plus 2-methyl-2-butanol plus 2-butyloxyethanol

Liquid-liquid equilibrium phase diagrams for two binary systems: water + l- pentanol and water + 2-methyl-2-butanol and two ternary systems: water + 1- pentanol + 2-butyloxyethanol and water + 2-methyl-2-butanol + 2-butyloxyeth anol at 20 degrees C and 30 degrees C are presented in this paper. The expe rimental results were correlated with the UNIQUAC model by fitting the effe ctive UNIQUAC binary interaction parameters as a function of temperature. A greement between the calculated and experimental data was very good. (C) 19 99 Elsevier Science B.V. All rights reserved.