Solubility of H2S in ammonium-based ionic liquids

被引：0

作者：

Sousa, Jose M. M., V ^{[1
,2
]}

Sintra, Tania E. ^{[3
]}

Ferreira, Abel G. M. ^{[2
]}

Carvalho, Pedro J. ^{[3
]}

Fonseca, Isabel M. A. ^{[2
]}

机构：

[1] Coimbra Inst Engn Rua Pedro Nunes Quinta Nora, Polytech Inst Coimbra, P-3030199 Coimbra, Portugal

[2] Univ Coimbra, CIEPQPF Chem Proc Engn & Forest Prod Res Ctr, Dept Chem Engn, Rua Silvio Lima Polo 2, P-3030790 Coimbra, Portugal

[3] Univ Aveiro, CICECO Aveiro Inst Mat, Dept Chem, P-3810193 Aveiro, Portugal

来源：

JOURNAL OF CHEMICAL THERMODYNAMICS | 2021年 / 154卷

关键词：

Gas solubility; H2S; Ammonium Ionic liquid; CPA EoS; EQUATION-OF-STATE; HYDROGEN-SULFIDE; CO2; TEMPERATURE; HEXAFLUOROPHOSPHATE; HYDROFLUOROCARBONS; DIFFUSION; MIXTURE;

D O I：

10.1016/j.jct.2020.106336

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

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)]). (C) 2020 Elsevier Ltd.

引用

页数：6

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