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http://hdl.handle.net/10773/37498
Title: | Solubility of H2S in ammonium-based ionic liquids |
Author: | Sousa, José M.M.V. Sintra, Tânia E. Ferreira, Abel G.M. Carvalho, Pedro J. Fonseca, Isabel M.A. |
Keywords: | Gas solubility H2S Ammonium Ionic liquid CPA EoS |
Issue Date: | Mar-2021 |
Publisher: | Elsevier |
Abstract: | This work is inserted in a research program that consists mainly in the experimental and theoretical study of gas/liquid solubility in ionic liquids (ILs). In this study the experimental data of hydrogen sulfide solubility in ammonium-based ionic liquids, namely 2-hydroxyethylammonium acetate [2-HEA][Ace], bis(2-hydroxyethyl)ammonium acetate [B-2-HEA][Ace] and 2-hydroxyethyldiethylammonium hydrogen diacetate [2-HEDEA][H(Ace)2], were determined using a volumetric method in the 298 K to 318 K temperature range and at atmospheric pressure. The ionic liquids are functionalized with the OH group in the ammonium-based cations, in order to study the influence of hydroxyl group in the formation of hydrogen bonds between the IL-IL and IL-gas. The data gathered is modelled with the Cubic Plus Association Equation of State (CPA EoS), considering the association schemes four-sites (4C) for hydrogen sulfide and two-sites (2B) for the ILs ([2-HEA][Ace], [B-2-HEA][Ace] and [2-HEDEA][H(Ace)2]). |
Peer review: | yes |
URI: | http://hdl.handle.net/10773/37498 |
DOI: | 10.1016/j.jct.2020.106336 |
ISSN: | 0021-9614 |
Appears in Collections: | CICECO - Artigos DQ - Artigos |
Files in This Item:
File | Description | Size | Format | |
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Solubility of H2S in ammonium-based ionic liquids.pdf | 466.49 kB | Adobe PDF | View/Open |
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