Thiophene separation from aliphatic hydrocarbons using the 1-ethyl-3-methylimidazolium ethylsulfate ionic liquid

The ionic liquid 1-ethyl-3-methylimidazolium ethylsulfate has been tested as solvent for the separation of thiophene from aliphatic hydrocarbons. Liquid–liquid equilibrium data have been determined for ternary systems containing the ionic liquid, thiophene and C 6, C 7, C 12 or C 16 alkanes at T = 2...

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Bibliographic Details
Published inFluid phase equilibria Vol. 270; no. 1; pp. 97 - 102
Main Authors Alonso, Luisa, Arce, Alberto, Francisco, María, Soto, Ana
Format Journal Article
LanguageEnglish
Published Amsterdam Elsevier B.V 25.08.2008
Elsevier
Subjects
[C 2mim][EtSO 4]
Alkane
Chemistry
Exact sciences and technology
Extraction
General and physical chemistry
Liquid-liquid equilibria
LLE
Phase equilibria
Thiophene
Extraction
[C 2mim][EtSO 4]
Thiophene
LLE
Alkane
Ternary system
Separation
Hydrocarbon
Aliphatic compound
Ionic liquid
[C2mim][EtSO4]
Phase equilibrium
Liquid liquid equilibrium
Interaction parameter
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Summary:The ionic liquid 1-ethyl-3-methylimidazolium ethylsulfate has been tested as solvent for the separation of thiophene from aliphatic hydrocarbons. Liquid–liquid equilibrium data have been determined for ternary systems containing the ionic liquid, thiophene and C 6, C 7, C 12 or C 16 alkanes at T = 298.15 K. The performance of the ionic liquid as solvent in such systems has been evaluated. The experimental data were correlated using the NRTL and UNIQUAC equations, and the binary interaction parameters have been reported. The phase diagrams for the ternary mixtures including both the experimental and calculated tie-lines have been presented.
ISSN:0378-3812
1879-0224
DOI:10.1016/j.fluid.2008.06.012