LrgpV1, Main, Merge, bibRecord, 000F43

Extraction of benzene or thiophene from n-heptane using ionic liquids. NMR and thermodynamic study.

Identifieur interne : 000F43 ( Main/Merge ); précédent : 000F42; suivant : 000F44

Extraction of benzene or thiophene from n-heptane using ionic liquids. NMR and thermodynamic study.

Auteurs : Anne-Laure Revelli [France] ; Fabrice Mutelet ; Jean-Noël Jaubert

Source :

The journal of physical chemistry. B [ 1520-5207 ] ; 2010.

RBID : pubmed:20225887

Abstract

In this work, (1)H and (31)P NMR spectroscopy were used to study the interactions between thiophene or benzene with three imidazolium based ionic liquids (ILs): 1-butyl-3-methylimidazolium tetrafluoroborate, 1,3-dimethylimidazolium methylphosphonate, and 1-butyl-3-methylimidazolium thiocyanate. NMR study indicates that solubility of thiophene or benzene in ionic liquid strongly depends on the structure of the ionic liquid. Structural organizations of such systems have been proposed. From these results, liquid-liquid equilibria (LLE) measurements of ternary mixtures containing benzene or thiophene with n-heptane and these ILs were carried out at 298.15 K in order to check the ability of these ILs to act as extractive solvents.

Url:

https://hal.archives-ouvertes.fr/hal-00489855

DOI: 10.1021/jp911978a
PubMed: 20225887

Links to Exploration step

pubmed:20225887

Le document en format XML

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<front><div type="abstract" xml:lang="en">In this work, 1H and 31P NMR spectroscopy were used to study the interactions between thiophene or benzene with three imidazolium based ionic liquids (ILs): 1-butyl-3-methylimidazolium tetrafluoroborate, 1,3-dimethylimidazolium methylphosphonate, and 1-butyl-3-methylimidazolium thiocyanate. NMR study indicates that solubility of thiophene or benzene in ionic liquid strongly depends on the structure of the ionic liquid. Structural organizations of such systems have been proposed. From these results, liquid−liquid equilibria (LLE) measurements of ternary mixtures containing benzene or thiophene with n-heptane and these ILs were carried out at 298.15 K in order to check the ability of these ILs to act as extractive solvents.</div>
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<front><div type="abstract" xml:lang="en">In this work, (1)H and (31)P NMR spectroscopy were used to study the interactions between thiophene or benzene with three imidazolium based ionic liquids (ILs): 1-butyl-3-methylimidazolium tetrafluoroborate, 1,3-dimethylimidazolium methylphosphonate, and 1-butyl-3-methylimidazolium thiocyanate. NMR study indicates that solubility of thiophene or benzene in ionic liquid strongly depends on the structure of the ionic liquid. Structural organizations of such systems have been proposed. From these results, liquid-liquid equilibria (LLE) measurements of ternary mixtures containing benzene or thiophene with n-heptane and these ILs were carried out at 298.15 K in order to check the ability of these ILs to act as extractive solvents.</div>
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Extraction of benzene or thiophene from n-heptane using ionic liquids. NMR and thermodynamic study.

Extraction of benzene or thiophene from n-heptane using ionic liquids. NMR and thermodynamic study.

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