Gaseous absorption of fluorinated ethanes by ionic liquids

被引：26
|
作者：
Liu, Xiangyang [1 ]
Qi, Xuetao [1 ]
Lv, Nan [1 ]
He, Maogang [1 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Energy & Power Engn, Key Lab Thermal Fluid Sci & Engn MOE, Xian 710049, Peoples R China
来源：
FLUID PHASE EQUILIBRIA | 2015年 / 405卷
基金：
中国国家自然科学基金; 中国博士后科学基金;
关键词：
Refrigerant; Phase behavior; HFC; Ionic liquid; Vapor-liquid equilibrium; VAPOR-LIQUID; PHASE-BEHAVIOR; HIGH SOLUBILITIES; HYDROFLUOROCARBONS; EQUILIBRIA; SYSTEMS; HEXAFLUOROPHOSPHATE; DIFFUSIVITY; BIS(TRIFLUOROMETHYLSULFONYL)IMIDE; 1,1,1,2-TETRAFLUOROETHANE;
D O I：
10.1016/j.fluid.2015.07.001
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Solubilities of 1,1-difluoroethane (R152a), pentafluoroethane (R125), fluoroethane (R161), 1,1,1-trifluoroethane (R143a) and 1,1,1,2-tetrafluoroethane (R134a) in trihexyltetradecylphosphonium bis(2,4,4-trimethylpentyl) phosphinate ([P(14) 666][TMPP]) from 302.2 K to 343.6 K and up to 1.14 MPa are presented in this work. Effects of fluorine atoms of fluorinated ethanes, the cations and anions of ionic liquids on the solubility behaviors are investigated by comparing the solubilities of fluorinated ethanes and ethane in different ionic liquids. Moreover, the partial molar enthalpies and partial molar entropies of solutions at infinite dilution limit for R161, R143a, R125, R134a and R152a in [P(14) 666][TMPP] are obtained. The experimental results are successfully correlated with a modified Krichevsky-Kasarnovsky equation. (C) 2015 Elsevier B.V. All rights reserved.
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页码：1 / 6
页数：6
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