Vapor Liquid Equilibria of Binary Mixtures of 1-Butyl-3-methylimidazolium Triflate (C4mimTfO) and Molecular Solvents: N-Alkyl Alcohols and Water

Marcus Stuckenholz; Emanuel A. Crespo; Lourdes F. Vega; Pedro J. Carvalho; João A.P. Coutinho; Wolffram Schröer; Johannes Kiefer; Bernd Rathke

doi:10.1021/acs.jpcb.8b03278

Vapor Liquid Equilibria of Binary Mixtures of 1-Butyl-3-methylimidazolium Triflate (C₄mimTfO) and Molecular Solvents: N-Alkyl Alcohols and Water

Marcus Stuckenholz
, Emanuel A. Crespo
, Lourdes F. Vega
, Pedro J. Carvalho
, João A.P. Coutinho
, Wolffram Schröer
, Johannes Kiefer
, Bernd Rathke

Chemical and Petroleum Engineering

Research output: Contribution to journal › Article › peer-review

20 Scopus citations

Abstract

Isobaric vapor liquid equilibria (VLE) of binary mixtures of the ionic liquid (IL) 1-butyl-3-methylimidazolium trifluoromethanesulfonate (C₄mimTfO) with either water or short chained n-alkyl alcohols (methanol, ethanol, propan-1-ol, and butan-1-ol) are described in this study. Two different microebulliometers and a classical VLE apparatus were compared and the VLEs were determined in the composition range 0.4 ≤ x(solvent) ≤ 1 at three different pressure levels (p = 500 mbar, 700 mbar, and 1000 mbar). The experimental data were modeled using the soft-SAFT equation of state, which was able to accurately describe the nonideal behavior of these mixtures. The combined experimental-modeling results obtained contribute to establish the structure-property relationship between the C₄mimTfO and n-alkyl alcohol molecules and to infer about its influence on the phase behavior of these solvents.

Original language	British English
Pages (from-to)	6017-6032
Number of pages	16
Journal	Journal of Physical Chemistry B
Volume	122
Issue number	22
DOIs	https://doi.org/10.1021/acs.jpcb.8b03278
State	Published - 7 Jun 2018

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@article{3b5e32a3a982435b982f7cb5b3e66787,

title = "Vapor Liquid Equilibria of Binary Mixtures of 1-Butyl-3-methylimidazolium Triflate (C4mimTfO) and Molecular Solvents: N-Alkyl Alcohols and Water",

abstract = "Isobaric vapor liquid equilibria (VLE) of binary mixtures of the ionic liquid (IL) 1-butyl-3-methylimidazolium trifluoromethanesulfonate (C4mimTfO) with either water or short chained n-alkyl alcohols (methanol, ethanol, propan-1-ol, and butan-1-ol) are described in this study. Two different microebulliometers and a classical VLE apparatus were compared and the VLEs were determined in the composition range 0.4 ≤ x(solvent) ≤ 1 at three different pressure levels (p = 500 mbar, 700 mbar, and 1000 mbar). The experimental data were modeled using the soft-SAFT equation of state, which was able to accurately describe the nonideal behavior of these mixtures. The combined experimental-modeling results obtained contribute to establish the structure-property relationship between the C4mimTfO and n-alkyl alcohol molecules and to infer about its influence on the phase behavior of these solvents.",

author = "Marcus Stuckenholz and Crespo, \{Emanuel A.\} and Vega, \{Lourdes F.\} and Carvalho, \{Pedro J.\} and Coutinho, \{Jo{\~a}o A.P.\} and Wolffram Schr{\"o}er and Johannes Kiefer and Bernd Rathke",

note = "Funding Information: The authors gratefully acknowledge financial support by Forschungsf{\"o}rderung Universitaẗ Bremen and by the STSM of M. Stuckenholz within the COST action CM1206-30741, EXIL - Exchange on Ionic Liquids. This work was developed in the scope of the project CICECO-Aveiro Institute of Materials, POCI-01-0145-FEDER-007679 (ref. FCT UID/CTM/50011/ 2013), funded by FEDER through COMPETE2020 - Programa Operacional Competitividade e Internacionalizac{\c a} {\~o} (POCI) and by national funds through FCT -Fundac{\c a} {\~o} para a Cienci{\^a} e a Tecnologia. P. J. Carvalho acknowledges FCT for a contract under the Investigador FCT 2015, Contract IF/00758/2015, and E. A. Crespo acknowledges Ph.D. Grant SFRH/BD/ 130870/2017. Publisher Copyright: {\textcopyright} 2018 American Chemical Society.",

year = "2018",

month = jun,

day = "7",

doi = "10.1021/acs.jpcb.8b03278",

language = "British English",

volume = "122",

pages = "6017--6032",

journal = "Journal of Physical Chemistry B",

issn = "1520-6106",

publisher = "American Chemical Society",

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TY - JOUR

T1 - Vapor Liquid Equilibria of Binary Mixtures of 1-Butyl-3-methylimidazolium Triflate (C4mimTfO) and Molecular Solvents

T2 - N-Alkyl Alcohols and Water

AU - Stuckenholz, Marcus

AU - Crespo, Emanuel A.

AU - Vega, Lourdes F.

AU - Carvalho, Pedro J.

AU - Coutinho, João A.P.

AU - Schröer, Wolffram

AU - Kiefer, Johannes

AU - Rathke, Bernd

N1 - Funding Information: The authors gratefully acknowledge financial support by Forschungsförderung Universitaẗ Bremen and by the STSM of M. Stuckenholz within the COST action CM1206-30741, EXIL - Exchange on Ionic Liquids. This work was developed in the scope of the project CICECO-Aveiro Institute of Materials, POCI-01-0145-FEDER-007679 (ref. FCT UID/CTM/50011/ 2013), funded by FEDER through COMPETE2020 - Programa Operacional Competitividade e Internacionalizaca̧ õ (POCI) and by national funds through FCT -Fundaca̧ õ para a Cienciâ e a Tecnologia. P. J. Carvalho acknowledges FCT for a contract under the Investigador FCT 2015, Contract IF/00758/2015, and E. A. Crespo acknowledges Ph.D. Grant SFRH/BD/ 130870/2017. Publisher Copyright: © 2018 American Chemical Society.

PY - 2018/6/7

Y1 - 2018/6/7

N2 - Isobaric vapor liquid equilibria (VLE) of binary mixtures of the ionic liquid (IL) 1-butyl-3-methylimidazolium trifluoromethanesulfonate (C4mimTfO) with either water or short chained n-alkyl alcohols (methanol, ethanol, propan-1-ol, and butan-1-ol) are described in this study. Two different microebulliometers and a classical VLE apparatus were compared and the VLEs were determined in the composition range 0.4 ≤ x(solvent) ≤ 1 at three different pressure levels (p = 500 mbar, 700 mbar, and 1000 mbar). The experimental data were modeled using the soft-SAFT equation of state, which was able to accurately describe the nonideal behavior of these mixtures. The combined experimental-modeling results obtained contribute to establish the structure-property relationship between the C4mimTfO and n-alkyl alcohol molecules and to infer about its influence on the phase behavior of these solvents.

AB - Isobaric vapor liquid equilibria (VLE) of binary mixtures of the ionic liquid (IL) 1-butyl-3-methylimidazolium trifluoromethanesulfonate (C4mimTfO) with either water or short chained n-alkyl alcohols (methanol, ethanol, propan-1-ol, and butan-1-ol) are described in this study. Two different microebulliometers and a classical VLE apparatus were compared and the VLEs were determined in the composition range 0.4 ≤ x(solvent) ≤ 1 at three different pressure levels (p = 500 mbar, 700 mbar, and 1000 mbar). The experimental data were modeled using the soft-SAFT equation of state, which was able to accurately describe the nonideal behavior of these mixtures. The combined experimental-modeling results obtained contribute to establish the structure-property relationship between the C4mimTfO and n-alkyl alcohol molecules and to infer about its influence on the phase behavior of these solvents.

UR - https://www.scopus.com/pages/publications/85046806460

U2 - 10.1021/acs.jpcb.8b03278

DO - 10.1021/acs.jpcb.8b03278

M3 - Article

C2 - 29733611

AN - SCOPUS:85046806460

SN - 1520-6106

VL - 122

SP - 6017

EP - 6032

JO - Journal of Physical Chemistry B

JF - Journal of Physical Chemistry B

IS - 22

ER -

Vapor Liquid Equilibria of Binary Mixtures of 1-Butyl-3-methylimidazolium Triflate (C₄mimTfO) and Molecular Solvents: N-Alkyl Alcohols and Water

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