Experiment and simulation study of CO2 solubility in dimethyl carbonate, 1-octy1-3-methylimidazolium tetrafluoroborate and their mixtures
Zhao, Zhijun1; Xing, Xiao1; Tang, Zhigang1; Zheng, Yong2; Fei, Weiyang1; Liang, Xiangfeng3; Ataeivarjovi, E.1; Guo, Dong1
2018-01-15
发表期刊ENERGY
ISSN0360-5442
卷号143页码:35-42
摘要CO2 capture with solvent-based process is known as a promising technology for controlling the global warming. In this work, the constant-volume method was used to investigate CO2 solubility in DMC, ionic liquid of [Omim][BF4], and their mixtures from 298.15 to 328.15 K under pressures up to about 3 MPa. The COSMO-RS model was used to predict the Henry's constants and the vapor pressures of DMC in the mixtures. The experimental results showed the CO2 solubility in [Ornim][BR4] is higher than DMC at 318.15-328.15 K and adding [Omim][BF4] into DMC can decrease the viscosity compared to the pure [Omim][BF4]. Besides, the COSMO-RS simulation results showed the Henry's constants in the mixtures increases with the decreasing mass ratio of [Omim][BF4] which are consistent with experimental values and the vapor pressures of DMC in the mixtures decreases with the increasing mass ratio of [Omim][BF4] Moreover, the activation energy (Ea) predicted from viscosity showed the higher viscosity mean the larger Ea and the larger Ea indicate the higher CO2 solubility in these solvents. Finally, the mixtures of DMC and [Omim][BF4] may be used as promising physical solvents to capture CO2 with high partial pressures, which combine the advantages of organic solvents and ionic liquids. (C) 2017 Elsevier Ltd. All rights reserved.
关键词Co2 Capture Carbonates Ionic Liquids Physical Absorption Simulation
文章类型Article
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2017.10.116
收录类别SCI
语种英语
关键词[WOS]FUNCTIONALIZED IONIC LIQUIDS ; AQUEOUS AMMONIA SOLUTION ; DIOXIDE SEPARATION ; QUANTUM-CHEMISTRY ; HIGH-PRESSURES ; COSMO-RS ; CAPTURE ; ABSORPTION ; SOLVENTS ; MEA
WOS研究方向Thermodynamics ; Energy & Fuels
WOS类目Thermodynamics ; Energy & Fuels
项目资助者Beijing Natural Science Foundation(2164062) ; State Key Laboratory of Chemical Engineering(SKL-ChE-15A01) ; Key Laboratory of Green Process and Engineering, Institute of Process Engineering(LGPE-2014-01)
WOS记录号WOS:000425565700004
引用统计
被引频次:3[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24036
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Tsinghua Univ, Dept Chem Engn, State Key Lab Chem Engn, Beijing 100084, Peoples R China
2.Anyang Inst Technol, Coll Chem & Environm Engn, Anyang 455000, Henan, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
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Zhao, Zhijun,Xing, Xiao,Tang, Zhigang,et al. Experiment and simulation study of CO2 solubility in dimethyl carbonate, 1-octy1-3-methylimidazolium tetrafluoroborate and their mixtures[J]. ENERGY,2018,143:35-42.
APA Zhao, Zhijun.,Xing, Xiao.,Tang, Zhigang.,Zheng, Yong.,Fei, Weiyang.,...&Guo, Dong.(2018).Experiment and simulation study of CO2 solubility in dimethyl carbonate, 1-octy1-3-methylimidazolium tetrafluoroborate and their mixtures.ENERGY,143,35-42.
MLA Zhao, Zhijun,et al."Experiment and simulation study of CO2 solubility in dimethyl carbonate, 1-octy1-3-methylimidazolium tetrafluoroborate and their mixtures".ENERGY 143(2018):35-42.
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