Confinement Phenomenon Effect on the CO2 Absorption Working Capacity in Ionic Liquids Immobilized into Porous Solid Supports

In this work, the CO2 absorption working capacity and solubility in ionic liquids immobilized into porous solid materials (substrates) were studied both experimentally and theoretically. The CO2 absorption working capacity in the immobilized ionic liquids was measured experimentally. It was found th...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 33(2017), 42 vom: 24. Okt., Seite 11719-11726
1. Verfasser: Wu, Nanhua (VerfasserIn)
Weitere Verfasser: Ji, Xiaoyan, Xie, Wenlong, Liu, Chang, Feng, Xin, Lu, Xiaohua
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2017
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article Research Support, Non-U.S. Gov't
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520 |a In this work, the CO2 absorption working capacity and solubility in ionic liquids immobilized into porous solid materials (substrates) were studied both experimentally and theoretically. The CO2 absorption working capacity in the immobilized ionic liquids was measured experimentally. It was found that the CO2 absorption working capacity and solubility increased up to 10-fold compared to that in the bulk ionic liquids when the film thickness was nearly 2.5 nm in the [HMIm][NTf2] immobilized in the P25. Meanwhile, a new model was proposed to describe the Gibbs free energy of CO2 in the immobilized ionic liquids, and both macro- and microanalyses of the CO2 solubility in the confined ionic liquids were conducted. The theoretical investigations reveal that the substrate has a crucial effect on the gas solubility in the ionic liquid immobilized into the substrates, and the model performance was approved with a consideration of the substrate effect 
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700 1 |a Ji, Xiaoyan  |e verfasserin  |4 aut 
700 1 |a Xie, Wenlong  |e verfasserin  |4 aut 
700 1 |a Liu, Chang  |e verfasserin  |4 aut 
700 1 |a Feng, Xin  |e verfasserin  |4 aut 
700 1 |a Lu, Xiaohua  |e verfasserin  |4 aut 
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