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Gas solubilities in room temperature ionic liquids - Correlation between RTiL-molar mass and Henry's law constant

机译:室温离子液体中的气体溶解度-RTiL摩尔质量与亨利定律之间的相关性

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摘要

The solubility of CO2, CH4, N2,and CO was measured in a broad number of ionic liquids using a pressure drop set-up. A successful correlation of the Henry's law constants at 60℃ was made to two empirical models already described in literature (Camper et al. and Moganty and Baltus). Subsequently, a new empirical model was proposed, which describes the Henry's law constant as a function of the molar mass of the ionic liquid, as long as physical interactions between gas and ionic liquid are dominant. Additionally, the entropy and enthalpy of solvation was studied by means of the temperature influence to the Henry's law constant.
机译:使用压降装置测量了CO2,CH4,N2和CO在多种离子液体中的溶解度。与文献中已经描述的两个经验模型(Camper等人以及Moganty和Baltus)成功地建立了60℃亨利定律的相关性。随后,提出了一个新的经验模型,该模型描述了亨利定律常数作为离子液体摩尔质量的函数,只要气体和离子液体之间的物理相互作用占主导。另外,通过温度对亨利定律常数的影响,研究了溶剂化的熵和焓。

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