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

Narasigadu, Caleb; Naidoo, Mergan; Ramjugernath, Deresh

doi:10.1021/je5007218

Cited by 17 publications

(12 citation statements)

References 13 publications

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“…The mutual solubility of 2-methyl-1-propanol + water and DMC + water obtained in this work agrees with most of the literature data ,− ,− quite well as shown in Figures S3 and S4 in the Supporting Information. The effect of temperature on phase boundary can also be observed in Figure .…”

Section: Results and Discussionsupporting

confidence: 91%

Determination of Ternary Liquid–Liquid Equilibria for Dimethyl Carbonate + 2-Methyl-1-propanol or 2-Methyl-2-propanol + Water Systems at T = 303.15 and 313.15 K

2016

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Liquid–liquid equilibria (LLE) data for dimethyl carbonate (DMC) + 2-methyl-1-propanol + water and DMC + 2-methyl-2-propanol + water systems were accurately determined using jacketed equilibrium cell under atmospheric pressure at 303.15 and 313.15 K. The experimental data were found to be consistent with Bachman–Brown correlation. The data were correlated well using the nonrandom two-liquid (NRTL) and universal quasichemical (UNIQUAC) activity coefficient models with a root-mean-square deviation (RMSD) between the experimental and calculated phase compositions of 0.004 and 0.002 for the DMC + 2-methyl-1-propanol + water system and 0.003 and 0.005 for the DMC + 2-methyl-2-propanol + water system, respectively. The effect of temperature to phase boundary was observed as well.

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Section: Results and Discussionsupporting

confidence: 91%

Determination of Ternary Liquid–Liquid Equilibria for Dimethyl Carbonate + 2-Methyl-1-propanol or 2-Methyl-2-propanol + Water Systems at T = 303.15 and 313.15 K

2016

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“…The detail apparatus was shown in our recent work 22 and other typical ternary LLE work. 23 First, water, cyclohexanol, and the selected solvent were fed into the cell to form a liquid mixture. After the desired temperature of the system was reached, the liquid mixture was vigorously agitated for more than 3 h by a magnetic stirrer and then left to stand for a minimum 8 h to reach a phase equilibrium and splitting.…”

Section: Experimental Apparatus and Procedurementioning

confidence: 99%

“…The fluctuation of the system temperature was ±0.1 K. A glass condenser was utilized to cooled the steam down and prevent it from evaporating. The detail apparatus was shown in our recent work and other typical ternary LLE work . First, water, cyclohexanol, and the selected solvent were fed into the cell to form a liquid mixture.…”

Section: Experimental Sectionmentioning

confidence: 99%

Liquid–Liquid Equilibria for the Ternary Systems Water + Cyclohexanol + Methyl Isobutyl Carbinol and Water + Cyclohexanol + Methyl Isobutyl Ketone at Different Temperatures

Liu

Cui

et al. 2017

J. Chem. Eng. Data

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Liquid–liquid equilibria (LLE) data provide fundamentals for the design and simulation of an extraction operation. The objective of this work is to extract cyclohexanol from aqueous solution using appropriate solvents. Liquid–liquid extractions for two ternary systems comprising water + cyclohexanol + solvents (methyl iso-butyl carbinol, MIBC) as well as methyl iso-butyl ketone, MIBK) were carried out at 303.15, 323.15 K and 308.15, 318.15 K, respectively. The distribution coefficient (D) and selectivity value (S) were employed to assess the separation capability of MIBC and MIBK. The Hand and Bachman empirical equations were both used to ascertain the consistency of the experimental results. The nonrandom two-liquid model and the universal quasi-chemical model were applied to fit the obtained LLE results and yielded corresponding binary interaction parameters. Moreover, the root-mean-square deviation (rmsd) values were evaluated for two studied ternary systems, demonstrating both models can regress the experimental data well.

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“…The LLE measurements were obtained with a double-walled glass cell employing the direct analytical method where a magnetic stirrer was used for agitation. The doublewalled glass cell is identical to the one successfully used by Narasigadu et al 5 The experimental procedure followed the method suggested by Alders. 6 Care was taken to ensure that an adequate speed was used to stir the cell contents for approximately an hour in order to prevent the formation of emulsions.…”

Section: ■ Introductionmentioning

confidence: 99%

Ternary Liquid–Liquid Equilibrium Data for the N-Formylmorpholine + Toluene + {n-Nonane or n-Decane} Systems at (303.2, 323.2, and 343.2) K and 101.3 kPa

Brijmohan

Narasigadu

2020

J. Chem. Eng. Data

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The design and operation of the process to extract aromatics from petroleum intermediates via solvent extraction can be enhanced in terms of efficiency by access to liquid–liquid equilibrium (LLE) data. This study serves to contribute LLE data for a heavy alkane, aromatic, and solvent mixture, which is of limited availability in the open literature. Ternary LLE phase compositions were experimentally measured and thermodynamically modeled for the systems N-formylmorpholine (NFM) + toluene + (n-nonane or n-decane) at 303.2, 323.2, and 343.2 K and 101.3 kPa. The direct analytical method was used to obtain the LLE data using a double-walled glass cell. The phase equilibrium samples were quantitatively analyzed using gas chromatography. The ternary systems were successfully correlated using the non-random two-liquid and universal quasichemical thermodynamic models. The effectiveness of using NFM as an alternative solvent to extract toluene from a mixture containing n-nonane or n-decane was evaluated by determining the selectivity. The plait point for the systems measured was determined using the graphical Coolidge method. All systems studied were found to exhibit type I ternary LLE behavior, and relative selectivity was greater than unity, indicating that the extraction of toluene from heavy alkanes is feasible using NFM.

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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

Cited by 17 publications

References 13 publications

Determination of Ternary Liquid–Liquid Equilibria for Dimethyl Carbonate + 2-Methyl-1-propanol or 2-Methyl-2-propanol + Water Systems at T = 303.15 and 313.15 K

Determination of Ternary Liquid–Liquid Equilibria for Dimethyl Carbonate + 2-Methyl-1-propanol or 2-Methyl-2-propanol + Water Systems at T = 303.15 and 313.15 K

Liquid–Liquid Equilibria for the Ternary Systems Water + Cyclohexanol + Methyl Isobutyl Carbinol and Water + Cyclohexanol + Methyl Isobutyl Ketone at Different Temperatures

Ternary Liquid–Liquid Equilibrium Data for the N-Formylmorpholine + Toluene + {n-Nonane or n-Decane} Systems at (303.2, 323.2, and 343.2) K and 101.3 kPa

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