Solubility of CO2 in the ionic liquid [hmim][Tf2N]

被引：226
|
作者：
Kumelan, Jacek [1 ]
Kamps, Ivaro Perez-Salado [1 ]
Tuma, Dirk [1 ]
Maurer, Gerd [1 ]
机构：
[1] Univ Kaiserslautern, Chair Appl Thermodynam, D-67653 Kaiserslautern, Germany
来源：
JOURNAL OF CHEMICAL THERMODYNAMICS | 2006年 / 38卷 / 11期
关键词：
gas solubility; Henry's constant; carbon dioxide; ionic liquid 1-hexyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide [hmim][Tf2N;
D O I：
10.1016/j.jct.2006.01.013
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
New experimental results are presented for the total pressure above liquid mixtures of carbon dioxide and the ionic liquid 1-hexyl-3-methylimidazolium, bis(trifluoromethylsulfonyl)imide ([hmim][Tf2N]). The series of experiments were performed at preset temperature and liquid phase composition by means of a very precise high-pressure view-cell technique based on the synthetic method. A temperature range from (293.15 to 413.2) K was investigated where the maximum pressure reached approximately 10 MPa. Gas molalities in [hmim][Tf2N] ranged up to about 4.7 mol center dot kg(-1). The (extended) Henry's law is successfully applied to correlate the solubility pressures. (c) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1396 / 1401
页数：6
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