Synthesis, Characterization and CO2 Solubility of [hmim][Tf2N] and [hmim][Ac] Ionic Liquids

被引：2
|
作者：
Yunus, Normawati M. [1 ]
Ghani, M. Asif Abdul [2 ]
Kamil, Ruzaimah Nik Mohamad [1 ]
机构：
[1] Univ Teknol PETRONAS, Fundamental & Appl Sci Dept, Tronoh 31750, Perak, Malaysia
[2] Univ Teknol PETRONAS, Dept Chem Engn, Tronoh 31750, Perak, Malaysia
来源：
3RD INTERNATIONAL CONFERENCE ON FUNDAMENTAL AND APPLIED SCIENCES (ICFAS 2014): INNOVATIVE RESEARCH IN APPLIED SCIENCES FOR A SUSTAINABLE FUTURE | 2014年 / 1621卷
关键词：
CARBON-DIOXIDE; GASES; CAPTURE;
D O I：
10.1063/1.4898480
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Ionic liquids are under intense investigation as a potential replacement for solvents to remove CO2 from natural gas due to their versatility and unique properties. In this paper, the synthesis of ionic liquids containing 1-hexyl-3-methylimidazolium cation with bis(trifluoromethylsulfonyl)imide or acetate are presented. The decomposition temperatures of the ionic liquids are also reported. The solubility of CO2 in the ionic liquids was determined using an equilibrium cell at 298.15K and in the pressures up to about 17 bar. The result shows that 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide has greater affinity towards CO2 than that of 1-hexyl-3-methylimidazolium acetate ionic liquid. Overall the results indicate that the ionic liquids have potential to act as solvents in CO2 separation processes.
引用
收藏
页码：284 / 289
页数：6
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