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Liquid–Liquid Equilibria for the Ternary System Water + Methyl Isobutyl Ketone + tert-Butyl Alcohol at Several Temperatures

Weiwei Fang, Guozhu Liu, Li Wang, Xiangwen Zhang, Zhentao Mi, Shuting Zhang, Yueguang Yin

Open publisher page 17 citations

Abstract

Liquid–liquid equilibrium (LLE) data for a ternary system water + methyl isobutyl ketone (MIBK) + tert -butyl alcohol (TBA) were experimentally measured at atmospheric pressure over a temperature range of (287.65 to 333.35) K. The consistency of experimental tie-line data has been tested with Othmer−Tobias and Bachman correlations. Binary interaction parameters of NRTL and UNIQUAC models were regressed to correlate the experimental data. It is concluded that UNIQUAC and NRTL equations are reliable to fit the experimental data with the average root-mean-square deviations of 0.87 % and 0.70 %, respectively.

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What this paper is about

Liquid–liquid equilibrium (LLE) data for a ternary system water + methyl isobutyl ketone (MIBK) + tert -butyl alcohol (TBA) were experimentally measured at atmospheric pressure over a temperature range of (287.65 to 333.35) K. The consistency of experimental tie-line data has been tested with Othmer−Tobias and Bachman correlations. Binary interaction parameters of NRTL and UNIQUAC models were regressed to correlate the experimental data. It is concluded that UNIQUAC and NRTL equations are reliable to fit the experimental data with the average root-mean-square deviations of 0.87 % and 0.70 %, respectively.

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OpenAlex reports 17 citations for this work. Citation counts describe recorded attention and do not establish research quality.

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Available abstract

Liquid–liquid equilibrium (LLE) data for a ternary system water + methyl isobutyl ketone (MIBK) + tert -butyl alcohol (TBA) were experimentally measured at atmospheric pressure over a temperature range of (287.65 to 333.35) K. The consistency of experimental tie-line data has been tested with Othmer−Tobias and Bachman correlations. Binary interaction parameters of NRTL and UNIQUAC models were regressed to correlate the experimental data. It is concluded that UNIQUAC and NRTL equations are reliable to fit the experimental data with the average root-mean-square deviations of 0.87 % and 0.70 %, respectively.

Key concepts: UNIQUAC, Non-random two-liquid model, Chemistry, Methyl isobutyl ketone, Ternary operation, Thermodynamics, Ternary numeral system, Atmospheric pressure

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