Liquid–Liquid Equilibria for the n-Pentyl acetate, n-Hexyl acetate, n-Pentanol, or n-Hexanol + Furfural + Water Systems at 298 and 323 K
Journal of Chemical & Engineering Data(2020)
Abstract
In this study, four ternary liquid–liquid equilibrium systems containing a solvent, furfural, and water were investigated by performing liquid–liquid equilibrium measurements at two different temperatures. The solvents were n-pentyl acetate, n-hexyl acetate, n-pentanol, and n-hexanol. The measurements were compared to the literature data and modeled with the UNIQUAC (universal quasi-chemical) activity coefficient model by taking into account also the vapor–liquid, liquid–liquid, and vapor–liquid–liquid equilibrium behaviors if present. n-Hexyl acetate showed the smallest solubility in water both in binary and ternary measurements. All four ternary systems showed similar magnitude distribution coefficients but furfural had the highest selectivity to n-hexyl acetate. Among the four systems investigated in this work, n-hexyl acetate was observed to have the best characteristics as a solvent for the extraction of furfural from water.
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Key words
liquid–liquid equilibria,water
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