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Gas dehydration using the ionic liquid [EMIM][MeSO3] supported on silica gel - structural and water vapor sorption properties

Title data

Radakovitsch, Florian ; Jess, Andreas:
Gas dehydration using the ionic liquid [EMIM][MeSO3] supported on silica gel - structural and water vapor sorption properties.
In: Chemical Engineering Journal. (2020) .
ISSN 1385-8947
DOI: https://doi.org/10.1016/j.cej.2020.124689

Official URL: Volltext

Abstract in another language

Structural and water vapor sorption properties of supported ionic liquid phase (SILP) materials, here of the ionic liquid EMIMMeSO3 coated on silica gels, were studied. The distribution of the IL over the silica supports is uniform. The porosity of the SILPs shows good agreement with expected values based on the density of the pure IL. The water sorption in pure EMIMMeSO3 as well as by the SILPs can be described by Guggenheim-Anderson-de Boer sorption isotherms. If the silica surface is covered by at least a complete monolayer of IL, the surface has no noticeable effect on the sorption capacity, and the capacity of the SILP corresponds to that of the pure IL until capillary condensation occurs. SILPs are promising candidates for a gas dehydration, as the water sorption capacity per mass of silica is about six times higher compared to uncoated silica.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: EMIMMeSO; silica gel; supported ionic liquid phase (SILP); gas drying; water vapor sorption
Institutions of the University: Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Chair Chemical Engineering
Faculties > Faculty of Engineering Science > Chair Chemical Engineering > Chair Chemical Engineering - Univ.-Prof. Dr.-Ing. Andreas Jess
Research Institutions > Research Units > ZET - Zentrum für Energietechnik
Faculties
Research Institutions
Research Institutions > Research Units
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
600 Technology, medicine, applied sciences > 600 Technology
600 Technology, medicine, applied sciences > 620 Engineering
600 Technology, medicine, applied sciences > 660 Chemical engineering
Date Deposited: 06 Apr 2020 07:25
Last Modified: 14 May 2020 06:44
URI: https://eref.uni-bayreuth.de/id/eprint/54841