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Tong-chun Bai - One of the best experts on this subject based on the ideXlab platform.
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Phase diagrams for pseudo-ternary system of {IPM (1) + [CTAB (21) + Butan-1-Ol (22)] (2) + water (3)} at temperature 303.15 K
Journal of Molecular Liquids, 2015Co-Authors: Xing-bo Chen, Na Wang, Fei Wang, Tong-chun BaiAbstract:Abstract The phase diagrams of the pseudo-ternary system {Isopropyl myristate (IPM) (1) + [hexadecyl-trimethyl-ammonium bromide (CTAB) (21) + Butan-1-Ol (22)] (2) + water (3)} at temperature 303.15 K were constructed by visual observation and electrical conductivity methods. The effect of the mass ratio of CTAB to Butan-1-Ol ( K m = m 21 /m 22 ) and the water content on the phase diagram and on the microemulsion structure were discussed.
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Phase Diagrams for the Pseudoternary System of {Hexane (1) + [Hexadecyltrimethylammonium Bromide (21) + Butan-1-Ol (22)] (2) + Water (3)} at a Temperature of 303.15 K
Journal of Chemical & Engineering Data, 2014Co-Authors: Xing-bo Chen, Na Wang, Tong-chun BaiAbstract:The phase diagrams of the pseudoternary system {hexane (1) + [hexadecyltrimethylammonium bromide (CTAB) (21) + Butan-1-Ol (22)] (2) + water (3)} at a temperature of 303.15 K were constructed by visual observation and electrical conductivity methods. The effect of the mass ratio of CTAB to Butan-1-Ol (Km = m21/m22) and the water content on the phase diagram and on the microemulsion structure were discussed.
Chunying Zhu - One of the best experts on this subject based on the ideXlab platform.
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Densities and Viscosities of Naphthalen-1-ol, Naphthalen-2-ol, and 1-Aminonaphthalene in the Solvents of Ethanol, Propan-1-ol, and Butan-1-Ol
Journal of Chemical & Engineering Data, 2012Co-Authors: Shuang Han, Chunying ZhuAbstract:Densities and viscosities of naphthalen-1-ol, naphthalen-2-ol, and 1-aminonaphthalene in solvents of ethanol, propan-1-ol, and Butan-1-Ol were measured at T = (293.15, 303.15, 313.15, 323.15, and 3...
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Densities and Viscosities of Binary Solutions of Benzene-1,3-diol + Water, Ethanol, Propan-1-ol, and Butan-1-Ol at T = (293.15 to 333.15) K
Journal of Chemical & Engineering Data, 2011Co-Authors: Jingru Liu, Chunying ZhuAbstract:The densities and the viscosities of benzene-1,3-diol in different solvents of water, ethanol, propan-1-ol and Butan-1-Ol have been determined under atmospheric pressure and at T = (293.15 to 333.15) K over the mole fraction ranging from 0.0400 to 0.2000 for benzene-1,3-diol + water and 0.0700 to 0.3500 for benzene-1,3-diol + ethanol, propan-1-ol, and Butan-1-Ol. The measured densities of benzene-1,3-diol solutions showed a good linear relation to the temperature or to the molar concentration, whereas the viscosities of benzene-1,3-diol solutions displayed a nonlinear relation to the temperature or to the molar concentration. The experimental data of densities and viscosities of benzene-1,3-diol solutions were fitted respectively using Gonzales equation and the extended Jones-Dole equation.
Yoshikata Koga - One of the best experts on this subject based on the ideXlab platform.
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mixing scheme of aqueous butan 1 ol in the water rich region at 25 c excess chemical potential partial molar enthalpy entropy and volume heat capacity compressibility and thermal expansivity
Physical Chemistry Chemical Physics, 2000Co-Authors: Katsutoshi Tamura, Christa Trandum, Charles A. Haynes, Jianhua Hu, Peter Westh, Yoshikata KogaAbstract:We determined excess chemical potential, partial molar enthalpy, entropy and volume, heat capacity, isothermal compressibility and thermal expansivity for aqueous Butan-1-Ol in the water-rich region up to the phase separation boundary at 25°C. The latter three response functions were used to calculate the mean-square fluctuation densities, which signifies the amplitude, or the intensity, of fluctuations in volume, entropy or cross (entropy–volume) fluctuations. Furthermore, we calculated the (mean-square) normalized fluctuations that are indicative of the wavelength, or the extensity, as well as the amplitude of respective fluctuations. The behaviour of these thermodynamic quantities were compared with those obtained earlier in this laboratory for aqueous methanol, ethanol, propan-1-ol, tert-butanol (tert-butyl alcohol), and 2-butoxyethanol. We conclude that in the water-rich region of aqueous Butan-1-Ol, mixing scheme I is operative as in other alcohols, whereby Butan-1-Ol molecules enhance the hydrogen bond network of H2O in their immediate vicinities with concomitant reduction of hydrogen bond probability in the bulk H2O away from solutes. However, before reaching the phase separation boundary there was no signature indicative of the transition of mixing scheme observed in other aqueous alcohols. Thus, in aqueous Butan-1-Ol phase separation occurs directly from mixing scheme I, without going through mixing scheme II, which we argued earlier to be a preparation stage for phase separation for the other alcohols.
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Mixing scheme of aqueous Butan-1-Ol in the water-rich region at 25°C: Excess chemical potential, partial molar enthalpy, entropy and volume, heat capacity compressibility and thermal expansivity
Physical Chemistry Chemical Physics, 2000Co-Authors: Katsutoshi Tamura, Christa Trandum, Charles A. Haynes, Peter Westh, Yoshikata KogaAbstract:We determined excess chemical potential, partial molar enthalpy, entropy and volume, heat capacity, isothermal compressibility and thermal expansivity for aqueous Butan-1-Ol in the water-rich region up to the phase separation boundary at 25°C. The latter three response functions were used to calculate the mean-square fluctuation densities, which signifies the amplitude, or the intensity, of fluctuations in volume, entropy or cross (entropy–volume) fluctuations. Furthermore, we calculated the (mean-square) normalized fluctuations that are indicative of the wavelength, or the extensity, as well as the amplitude of respective fluctuations. The behaviour of these thermodynamic quantities were compared with those obtained earlier in this laboratory for aqueous methanol, ethanol, propan-1-ol, tert-butanol (tert-butyl alcohol), and 2-butoxyethanol. We conclude that in the water-rich region of aqueous Butan-1-Ol, mixing scheme I is operative as in other alcohols, whereby Butan-1-Ol molecules enhance the hydrogen bond network of H2O in their immediate vicinities with concomitant reduction of hydrogen bond probability in the bulk H2O away from solutes. However, before reaching the phase separation boundary there was no signature indicative of the transition of mixing scheme observed in other aqueous alcohols. Thus, in aqueous Butan-1-Ol phase separation occurs directly from mixing scheme I, without going through mixing scheme II, which we argued earlier to be a preparation stage for phase separation for the other alcohols.
Urszula Domańska - One of the best experts on this subject based on the ideXlab platform.
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Ammonium ionic liquids in separation of water/Butan-1-Ol using liquid-liquid equilibrium diagrams in ternary systems
Fluid Phase Equilibria, 2019Co-Authors: Urszula Domańska, Michał Wlazło, Zbigniew Dąbrowski, Anna WiśniewskaAbstract:Abstract In this work ionic liquids (ILs) as a novel popular solvents are proposed for removing Butan-1-Ol from the aqueous phase. Ternary liquid-liquid phase equilibrium data are presented for mixtures of {ionic liquid, IL (1) + Butan-1-Ol (2) + water (3)} at T = 328.15 K and pressure 101.3 kPa. The new synthesized by us ammonium-based ILs with long alkane chains, such as dimethyldodecylphenoxyethylammonium bis{(trifluoromethyl)sulfonyl}imide, [N1,1,12,2OPh][NTf2], dimethyldodecylphenoxyethylammonium dicyanamide, [N1,1,12,2OPh][DCA], benzyldimethyldodecylammonium bis{(trifluoromethyl)sulfonyl}imide, [N1,1,12,Bz][NTf2] and benzyldimethyldodecylammonium dicyanamide, [N1,1,12,Bz][DCA] have been tested. The selectivity and the solute distribution ratio of separation water/Butan-1-Ol were calculated and compared to the literature data. The complete solubility of Butan-1-Ol in the proposed ILs was observed at T = 328.15 K and pressure 101.3 kPa. The [N1,1,12,Bz][NTf2] is picked out as the most potential candidate as an extractant of Butan-1-Ol from water. The [N1,1,12,Bz][NTf2] shows only slightly lower selectivity than that observed in few phosphonium-based IL. The experimental tie-lines were successfully correlated with non-random two liquid NRTL model.
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Separation of water/Butan-1-Ol with ionic liquids in ternary liquid-liquid phase equilibrium
The Journal of Chemical Thermodynamics, 2019Co-Authors: Urszula Domańska, Michał Wlazło, Monika KarpińskaAbstract:Abstract In this work ionic liquids (ILs) as a novel popular solvents are proposed for removing Butan-1-Ol from the aqueous fermentation media. Ternary liquid-liquid phase equilibrium data are presented for mixtures of {ionic liquid (1) + Butan-1-Ol (2) + water (3)} at T = 328.15 K and ambient pressure. The ILs with long alkane chains such as hexadecyltrimethylammonium bis{(trifluomethyl)sulfonyl}imide, [N16,1,1,1][NTf2], 1,3-didecyl-2-methylimidazolium dicyanamide, [D2MIM][DCA] and tetrabutylphosphonium bis{(trifluomethyl)sulfonyl}imide, [P4,4,4,4][NTf2] have been tested. The results are discussed in terms of the selectivity and solute distribution ratio of separation of related systems. The complete miscibility in the binary liquid systems of Butan-1-Ol with three used ILs was observed. The ammonium-based IL in comparison with phosphonium-based IL shows lower selectivity and solute distribution ratio. The non-random two liquid NRTL model was used successfully to correlate the experimental tie-lines and to calculate the phase composition error in mole fraction in the ternary systems.
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Extraction of Butan-1-Ol from aqueous solution using ionic liquids: An effect of cation revealed by experiments and thermodynamic models
Separation and Purification Technology, 2018Co-Authors: Urszula Domańska, Michał Wlazło, Kamil PaduszyńskiAbstract:Abstract Production of bio-butanol from biomass by fermentation in an aqueous phase needs new solutions and entrainers for the separation of product. Ionic liquids (ILs) are attractive significant attention as novel, low pressure solvents alternative to conventional organic solvents for biphasic solvent extraction. Ternary liquid-liquid equilibrium data are presented for mixtures of {ionic liquid (1) + Butan-1-Ol (2) + water (3)} at T = 298.15 K and ambient pressure to analyze the performance of the IL in the extraction of Butan-1-Ol from aqueous phase. The bis{(trifluoromethyl)sulfonyl}amide-based ILs have been studied: octyltriethylammonium bis{(trifluoromethyl)sulfonyl}amide, [N8,2,2,2][NTf2], methyltrioctylammonium bis{(trifluoromethyl)sulfonyl}amide, [N8,8,8,1][NTf2], 1-dodecyl-3-methylimidazolium bis{(trifluoromethyl)sulfonyl}amide, [DoMIM][NTf2] and 1-hexyloxymethyl-3-methylimidazolium bis{(trifluoromethyl)sulfonyl}amide, [C6H13OCH2MIM][NTf2]. The results are discussed in terms of the selectivity and the solute distribution ratio of separation for the related systems. The IL with three octyl alkyl chains, [N8,8,8,1][NTf2] at the ammonium-based cation shows higher selectivity and the same distribution ratio in comparison to the other ILs in this process. Additionally, the viscosity of [N8,2,2,2][NTf2], and density and viscosity of the best IL, [N8,8,8,1][NTf2] were measured for the collection of physico-chemical properties of the ILs used in this work. The non-random two liquid NRTL model was used successfully to correlate the experimental tie-lines. The prediction of ternary compositions was shown with good precision using COSMO RS for the ILs used in this work and for data from literature. The data and calculations presented here indicate the possible use of the model COSMO RS for the prediction of ternary LLE and of the use of [N8,8,8,1][NTf2], as a good solvent for the separation of Butan-1-Ol from water using solvent extraction.
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Gamma infinity data for the separation of water-Butan-1-Ol mixtures using ionic liquids
Separation and Purification Technology, 2016Co-Authors: Michał Wlazło, Urszula DomańskaAbstract:Bio-butanol is produced from biomass by fermentation and must be separated from the aqueous phase. Ionic liquids (ILs) are a novel attractive solvents, which can be used for removing Butan-1-Ol from the aqueous fermentation broth. The thermal properties, obtained with DSC and the densities of IL octyltriethylammonium bis{(trifluomethyl)sulfonyl}imide, [N8,2,2,2][NTf2] as a function of temperature have been measured over a temperature range (289.15–385.15) K. The activity coefficients at infinite dilution, γ13∞, for 63 solutes, including alkanes, cycloalkanes, alkenes, alkynes, aromatic hydrocarbons, alcohols, water, thiophene, tetrahydrofuran, ethers, and ketones in the [N8,2,2,2][NTf2] were determined by gas–liquid chromatography at six temperatures from 318.15 K to 368.15 K. The gas–liquid partition coefficients, KL were calculated for all solutes. The partial molar excess Gibbs energies ΔG1E,∞, enthalpies ΔH1E,∞, and entropies ΔS1E,∞ at infinite dilution were calculated from the experimental γ13∞ values obtained over the temperature range. The selectivity and capacity for water/Butan-1-Ol separation problem were calculated from γ13∞ data and were compared to literature values for bis{(trifluomethyl)sulfonyl}imide-based ILs with different cations, and with all available data for ILs.
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Extraction of Butan-1-Ol from water with ionic liquids at T =308.15K
The Journal of Chemical Thermodynamics, 2012Co-Authors: Urszula Domańska, Marek KrólikowskiAbstract:Abstract Ionic liquids (ILs) are novel green solvents that can be proposed for removing Butan-1-Ol from the aqueous fermentation media. Ternary (liquid + liquid) equilibrium data are presented for {ionic liquid (1) + Butan-1-Ol (2) + water (3)} at T = 308.15 K and ambient pressure to analyze the performance of the ionic liquid (IL) in the extraction of Butan-1-Ol from aqueous phase. The tetracyanoborate-based ILs have been studied: 1-hexyl-3-methylimidazolium tetracyanoborate, ([HMIM][TCB]), 1-decyl-3-methylimidazolium tetracyanoborate, ([DMIM][TCB]) and trihexyltetradecylphosphonium tetracyanoborate, ([P 14,6,6,6 ][TCB]). The results are discussed in terms of the selectivity and distribution ratio of separation of related systems. The complete miscibility in the binary liquid systems of Butan-1-Ol with all used ILs was observed. The imidazolium cation in comparison with phosphonium cation shows lower selectivity and distribution ratio. The IL with the longer alkyl chain at the cation shows higher selectivity and distribution ratio in this process. The non-random two liquid NRTL model was used successfully to correlate the experimental tie-lines and to calculate the phase composition error in mole fraction in the ternary systems. The average root mean square deviation (RMSD) of the phase composition was 0.0027. The data presented here indicates the usefulness of [P 14,6,6,6 ][TCB] as a solvent for the separation of Butan-1-Ol from water using solvent extraction. The density of [P 14,6,6,6 ][TCB] was measured as a function of temperature.
Xing-bo Chen - One of the best experts on this subject based on the ideXlab platform.
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Phase diagrams for pseudo-ternary system of {IPM (1) + [CTAB (21) + Butan-1-Ol (22)] (2) + water (3)} at temperature 303.15 K
Journal of Molecular Liquids, 2015Co-Authors: Xing-bo Chen, Na Wang, Fei Wang, Tong-chun BaiAbstract:Abstract The phase diagrams of the pseudo-ternary system {Isopropyl myristate (IPM) (1) + [hexadecyl-trimethyl-ammonium bromide (CTAB) (21) + Butan-1-Ol (22)] (2) + water (3)} at temperature 303.15 K were constructed by visual observation and electrical conductivity methods. The effect of the mass ratio of CTAB to Butan-1-Ol ( K m = m 21 /m 22 ) and the water content on the phase diagram and on the microemulsion structure were discussed.
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Phase Diagrams for the Pseudoternary System of {Hexane (1) + [Hexadecyltrimethylammonium Bromide (21) + Butan-1-Ol (22)] (2) + Water (3)} at a Temperature of 303.15 K
Journal of Chemical & Engineering Data, 2014Co-Authors: Xing-bo Chen, Na Wang, Tong-chun BaiAbstract:The phase diagrams of the pseudoternary system {hexane (1) + [hexadecyltrimethylammonium bromide (CTAB) (21) + Butan-1-Ol (22)] (2) + water (3)} at a temperature of 303.15 K were constructed by visual observation and electrical conductivity methods. The effect of the mass ratio of CTAB to Butan-1-Ol (Km = m21/m22) and the water content on the phase diagram and on the microemulsion structure were discussed.
