Ternary liquid-liquid equilibrium data for the water + acetonitrile + {butan-1-ol or 2-methylpropan-1-ol} systems at (303.2, 323.2, 343.2) K and 1 atm

Caleb Narasigadu; Muven Naidoo; Deresh Ramjugernath

doi:10.1021/je5007218

Ternary liquid-liquid equilibrium data for the water + acetonitrile + {butan-1-ol or 2-methylpropan-1-ol} systems at (303.2, 323.2, 343.2) K and 1 atm

Caleb Narasigadu, Muven Naidoo, Deresh Ramjugernath

University of KwaZulu-Natal

Research output: Contribution to journal › Article › peer-review

18 Citations (Scopus)

Abstract

Ternary liquid-liquid equilibrium (LLE) data were measured and correlated for the water + acetonitrile + (butan-1-ol or 2-methylpropan-1-ol) systems at (303.2, 323.2, and 343.2) K and 1 atm. A double-walled glass cell with the direct analytical method was used to measure the liquid-liquid equilibrium data.The phase equilibrium samples were analyzed and quantified using gas chromatography.The nonrandom two-liquid activity coefficient model was used to fit the experimental tie-lines using nonlinear least-squares regression of the data. Relative selectivity values for solvent separation efficiency were calculated from the tie-line data.The plait point for each temperature was estimated with the graphical Coolidge method.

Original language	English
Pages (from-to)	3820-3824
Number of pages	5
Journal	Journal of Chemical & Engineering Data
Volume	59
Issue number	11
DOIs	https://doi.org/10.1021/je5007218
Publication status	Published - 13 Nov 2014
Externally published	Yes

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering

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abstract = "Ternary liquid-liquid equilibrium (LLE) data were measured and correlated for the water + acetonitrile + (butan-1-ol or 2-methylpropan-1-ol) systems at (303.2, 323.2, and 343.2) K and 1 atm. A double-walled glass cell with the direct analytical method was used to measure the liquid-liquid equilibrium data.The phase equilibrium samples were analyzed and quantified using gas chromatography.The nonrandom two-liquid activity coefficient model was used to fit the experimental tie-lines using nonlinear least-squares regression of the data. Relative selectivity values for solvent separation efficiency were calculated from the tie-line data.The plait point for each temperature was estimated with the graphical Coolidge method.",

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AU - Naidoo, Muven

AU - Ramjugernath, Deresh

PY - 2014/11/13

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N2 - Ternary liquid-liquid equilibrium (LLE) data were measured and correlated for the water + acetonitrile + (butan-1-ol or 2-methylpropan-1-ol) systems at (303.2, 323.2, and 343.2) K and 1 atm. A double-walled glass cell with the direct analytical method was used to measure the liquid-liquid equilibrium data.The phase equilibrium samples were analyzed and quantified using gas chromatography.The nonrandom two-liquid activity coefficient model was used to fit the experimental tie-lines using nonlinear least-squares regression of the data. Relative selectivity values for solvent separation efficiency were calculated from the tie-line data.The plait point for each temperature was estimated with the graphical Coolidge method.

AB - Ternary liquid-liquid equilibrium (LLE) data were measured and correlated for the water + acetonitrile + (butan-1-ol or 2-methylpropan-1-ol) systems at (303.2, 323.2, and 343.2) K and 1 atm. A double-walled glass cell with the direct analytical method was used to measure the liquid-liquid equilibrium data.The phase equilibrium samples were analyzed and quantified using gas chromatography.The nonrandom two-liquid activity coefficient model was used to fit the experimental tie-lines using nonlinear least-squares regression of the data. Relative selectivity values for solvent separation efficiency were calculated from the tie-line data.The plait point for each temperature was estimated with the graphical Coolidge method.

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Ternary liquid-liquid equilibrium data for the water + acetonitrile + {butan-1-ol or 2-methylpropan-1-ol} systems at (303.2, 323.2, 343.2) K and 1 atm

Abstract

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