Activity Coefficients at Infinite Dilution in Methylimidazolium Nitrate Ionic Liquids

Foco, Gloria Margarita; Bermejo, M. Dolores; Kotlewska, Aleksandra J.; Rantwijk, Fred van; Peters, Cor J.; Bottini, Susana B.

doi:10.1021/je100998r

Cited by 26 publications

(8 citation statements)

References 17 publications

(46 reference statements)

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“…118,134,136 The greater interactions for the IL with the alcohols in comparison 135 C 4 MPyrr TCB (1-butyl-1-methylpyrrolidinium tetracyanoborate) 136 and C 4 MPyrr FAP (1-butyl-1-methylpyrrolidinium tris(pentafluoroethyl)trifluorophosphate), 137 BMIm BF 4 , 124 BMIm SCN (BMIm thiocyanate), 125 BMIm TOS (BMIm tosylate) 126 and BMIm NO 3 . 127 This journal is c The Royal Society of Chemistry 2013 Chem. Soc.…”

Section: Non-polar Solutes In Ionic Liquidsmentioning

confidence: 99%

“…Fig.7Activity coefficients for alkanes in ionic liquids with a C4 alkyl chain, BMIm BOB (1-butyl-methylimidazolium bis(oxalato)borate), 120 C 4 Py Tf 2 N (N-alkylpyridinium Tf 2 N),135 C 4 MPyrr TCB (1-butyl-1-methylpyrrolidinium tetracyanoborate)136 and C 4 MPyrr FAP (1-butyl-1-methylpyrrolidinium tris(pentafluoroethyl)trifluorophosphate),137 BMIm BF 4 ,124 BMIm SCN (BMIm thiocyanate),125 BMIm TOS (BMIm tosylate)126 and BMIm NO 3 127. …”

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confidence: 99%

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Solvent nanostructure, the solvophobic effect and amphiphile self-assembly in ionic liquids

2013

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The ability of ionic liquids (ILs) to support amphiphile self-assembly into a range of mesophase structures has been established as a widespread phenomenon. From the ILs evaluated as self-assembly media, the vast majority have supported some lyotropic liquid crystal phase formation. Many neat ionic liquids have been shown to segregate into polar and non-polar domains to form a nanostructured liquid. A very strong correlation between the nanostructure of the ionic liquid and its characteristics as an amphiphile self-assembly solvent has been found. In this review we discuss ionic liquids as amphiphile self-assembly media, and identify trends that can be used to distinguish which ionic liquids are likely to have good promotion properties as self-assembly media. In particular these trends focus on the nanostructure of neat ionic liquids, their solvent cohesive energy density, and the related solvophobic effect. We forecast that many more ILs will be identified as amphiphile self-assembly solvents in the future.

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Section: Non-polar Solutes In Ionic Liquidsmentioning

confidence: 99%

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confidence: 99%

Solvent nanostructure, the solvophobic effect and amphiphile self-assembly in ionic liquids

2013

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“…and . Figure shows the predicted results of the selectivity and solvent capacity by the UNIFAC model and the experimental data collected from literature at infinite dilution for the separation of n ‐hexane (1) and 1‐hexene (2) with ILs. As a whole, the results predicted by the UNIFAC model and the experimental data agree well, and there is a clear compromise between selectivity and solvent capacity.…”

Section: Structure‐property Relationsmentioning

confidence: 99%

Extractive distillation with ionic liquids: A review

et al. 2014

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Extractive distillation is commonly used for the separation of azeotropic or close-boiling mixtures in the chemical industry. During the past decade, the use of ionic liquids (ILs) as entrainers has received considerable attention due to their unique advantages when applied in extractive distillation. This work is devoted to providing an easy-to-read and comprehensive review on the recent progress made by chemical engineers, focusing on the issues of predictive thermodynamic models, structure-property relations, separation mechanisms, and process simulation and optimization. This review spans from the molecular level to the industrial scale, to provide a theoretical insight into the molecular interactions between ILs and the components to be separated. Moreover, a comprehensive database on the vapor-liquid equilibria (VLE) and activity coefficients at infinite dilution concerning ILs is provided as Supporting Information. Concluding remarks are made on the unsolved scientific issues with respect to this promising special distillation technology.

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“…It indicates suitability of a solvent for separating mixtures of components i and j by extraction. For some ILs with [NO 3 – ], [−SO 4 – ], , [CF 3 SO 3 – ], and [RPO 4 – ] anions based on [BMIM] cation, S ij ∞ at infinite dilution for hexane ( i )/benzene ( j ) and cyclohexane ( i )/benzene ( j ) separation problems at 323.15 K are shown in Table . For hexane/benzene separation problems, selectivity takes the following order: [NO 3 – ] > [MDEGSO 4 – ] > [EtSO 4 – ] > [CF 3 SO 3 – ] > [OcSO 4 – ] > [DBP].…”

Section: Resultsmentioning

confidence: 99%

Activity Coefficients at Infinite Dilution of Alkanes, Alkenes, and Alkyl Benzenes in 1-Butyl-3-methylimidazolium Dibutylphosphate Using Gas–Liquid Chromatography

Song

et al. 2012

J. Chem. Eng. Data

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The activity coefficients at infinite dilution, γ i ∞ , for 16 organic solutes, alkanes, alkenes, and alkyl benzenes in the ionic liquid 1-butyl-3-methylimidazolium dibutylphosphate ([BMIM][DBP]), have been measured by the gas−liquid chromatographic method. The measurements were carried out in the temperature range of (313.15 to 363.15) K. The partial molar excess enthalpies at infinite dilution, H i E,∞ , of the solutes in [BMIM][DBP] were also derived from the temperature dependence of the γ i ∞ values.

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Activity Coefficients at Infinite Dilution in Methylimidazolium Nitrate Ionic Liquids

Cited by 26 publications

References 17 publications

Solvent nanostructure, the solvophobic effect and amphiphile self-assembly in ionic liquids

Solvent nanostructure, the solvophobic effect and amphiphile self-assembly in ionic liquids

Extractive distillation with ionic liquids: A review

Activity Coefficients at Infinite Dilution of Alkanes, Alkenes, and Alkyl Benzenes in 1-Butyl-3-methylimidazolium Dibutylphosphate Using Gas–Liquid Chromatography

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