Liquid-Liquid Equilibrium of the Ternary System Water/Formic Acid/1-Pentanol at T= 308.2 K

Abstract

Liquid-liquid equilibrium data for the water + Formic acid + 1-pentanol ternary system were determined at T = 308.2 K in ambient pressure. This ternary system exhibits type-1 behavior of LLE. Distribution coefficients and separation factors were measured to evaluate the extracting capacity of the solvent. The consistency of the experimental tie-line data was determined through the Othmer-Tobias and Bachman equations. The raw experimental data were correlated using the NRTL and UNIQUAC models. The average root-mean-square deviation between the experimental and calculated mass fractions was 0.488% and 0.465%.