Influence of the Anions on the Interaction Energy between Water and Ionic Liquids
Abstract
Abstract It is essential to understand the interaction energy between water and ionic liquids (ILs) in search of ILs for dehumidification applications. In this paper, the intermolecular interaction energy between water and 1‐ethyl‐3‐methylimidazolium ([EMIM])‐based ILs was investigated. The vapor‐liquid equilibrium data were first measured for solutions of [EMIM][BF 4 ], [EMIM][N(CN) 2 ], [EMIM][CF 3 SO 3 ], and [EMIM][CH 3 SO 3 ] with water molar fractions of 8–95 % at temperatures of 303–343 K. The IL‐IL and water‐IL intermolecular interaction energies were determined by using the correlated non‐random two‐liquid model. The results revealed that fluorine atoms in anions reduce the attraction energy between IL and water, and thus, decrease the water affinity.
- Authors:
-
- Univ. of Maryland, College Park, MD (United States)
- Publication Date:
- Research Org.:
- Univ. of Maryland, College Park, MD (United States)
- Sponsoring Org.:
- USDOE Office of Energy Efficiency and Renewable Energy (EERE)
- OSTI Identifier:
- 1976295
- Alternate Identifier(s):
- OSTI ID: 1841441
- Grant/Contract Number:
- EE0008672; DEEE0008672
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Chemical Engineering and Technology
- Additional Journal Information:
- Journal Volume: 45; Journal Issue: 2; Journal ID: ISSN 0930-7516
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 42 ENGINEERING; 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; desiccant; interaction energy; ionic liquid; vapor-liquid equilibrium; water absorption
Citation Formats
Zheng, Chaolun, Shen, Ziyang, Zhou, Jian, Pei, Yong, and Yang, Bao. Influence of the Anions on the Interaction Energy between Water and Ionic Liquids. United States: N. p., 2022.
Web. doi:10.1002/ceat.202100438.
Zheng, Chaolun, Shen, Ziyang, Zhou, Jian, Pei, Yong, & Yang, Bao. Influence of the Anions on the Interaction Energy between Water and Ionic Liquids. United States. https://doi.org/10.1002/ceat.202100438
Zheng, Chaolun, Shen, Ziyang, Zhou, Jian, Pei, Yong, and Yang, Bao. Wed .
"Influence of the Anions on the Interaction Energy between Water and Ionic Liquids". United States. https://doi.org/10.1002/ceat.202100438. https://www.osti.gov/servlets/purl/1976295.
@article{osti_1976295,
title = {Influence of the Anions on the Interaction Energy between Water and Ionic Liquids},
author = {Zheng, Chaolun and Shen, Ziyang and Zhou, Jian and Pei, Yong and Yang, Bao},
abstractNote = {Abstract It is essential to understand the interaction energy between water and ionic liquids (ILs) in search of ILs for dehumidification applications. In this paper, the intermolecular interaction energy between water and 1‐ethyl‐3‐methylimidazolium ([EMIM])‐based ILs was investigated. The vapor‐liquid equilibrium data were first measured for solutions of [EMIM][BF 4 ], [EMIM][N(CN) 2 ], [EMIM][CF 3 SO 3 ], and [EMIM][CH 3 SO 3 ] with water molar fractions of 8–95 % at temperatures of 303–343 K. The IL‐IL and water‐IL intermolecular interaction energies were determined by using the correlated non‐random two‐liquid model. The results revealed that fluorine atoms in anions reduce the attraction energy between IL and water, and thus, decrease the water affinity.},
doi = {10.1002/ceat.202100438},
journal = {Chemical Engineering and Technology},
number = 2,
volume = 45,
place = {United States},
year = {Wed Jan 05 00:00:00 EST 2022},
month = {Wed Jan 05 00:00:00 EST 2022}
}
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