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Characterization of Six Hygroscopic Ionic Liquids with Regard to Their Suitability for Gas Dehydration : Density, Viscosity, Thermal and Oxidative Stability, Vapor Pressure, Diffusion Coefficient, and Activity Coefficient of Water

Titelangaben

Krannich, Michel ; Heym, Florian ; Jess, Andreas:
Characterization of Six Hygroscopic Ionic Liquids with Regard to Their Suitability for Gas Dehydration : Density, Viscosity, Thermal and Oxidative Stability, Vapor Pressure, Diffusion Coefficient, and Activity Coefficient of Water.
In: Journal of Chemical & Engineering Data. Bd. 61 (2016) Heft 3 . - S. 1162-1176.
ISSN 1520-5134
DOI: https://doi.org/10.1021/acs.jced.5b00806

Abstract

Six hygroscopic ionic liquids (ILs), [DMIM][DMPO4], [EMIM][MeSO3], [EMIM][EtSO4], [EMIM][Et(EG)2SO4], [BMIM][BF4], and [choline][glycolate], were investigated with regard to their suitability as a drying agent for technical gas dehydration processes by absorption. Therefore, the density, viscosity, activity coefficient of water in the ILs, and the kinetic parameters of thermal and oxidative degradation were measured (if the respective values were not already reported in the literature). [EMIM][MeSO3] proved to be the most suitable candidate for industrial gas dehydration. This IL has a low activity coefficient, a high thermal and oxidation stability, an acceptably low viscosity as well as a very low vapor pressure. Thus, the influence of temperature on the activity coefficient of water and the diffusivity of water in this IL was also determined.

Weitere Angaben

Publikationsform: Artikel in einer Zeitschrift
Begutachteter Beitrag: Ja
Institutionen der Universität: Fakultäten > Fakultät für Ingenieurwissenschaften
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Chemische Verfahrenstechnik
Fakultäten > Fakultät für Ingenieurwissenschaften > Lehrstuhl Chemische Verfahrenstechnik > Lehrstuhl Chemische Verfahrenstechnik - Univ.-Prof. Dr.-Ing. Andreas Jess
Fakultäten
Titel an der UBT entstanden: Ja
Themengebiete aus DDC: 500 Naturwissenschaften und Mathematik > 540 Chemie
600 Technik, Medizin, angewandte Wissenschaften > 600 Technik
600 Technik, Medizin, angewandte Wissenschaften > 620 Ingenieurwissenschaften
600 Technik, Medizin, angewandte Wissenschaften > 660 Chemische Verfahrenstechnik
Eingestellt am: 30 Mär 2016 08:26
Letzte Änderung: 30 Mär 2016 08:26
URI: https://eref.uni-bayreuth.de/id/eprint/32061