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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
Source PublicationENERGY
ISSN0360-5442
Volume143Pages:35-42
AbstractCO2 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.
KeywordCo2 Capture Carbonates Ionic Liquids Physical Absorption Simulation
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.energy.2017.10.116
Indexed BySCI
Language英语
WOS KeywordFUNCTIONALIZED IONIC LIQUIDS ; AQUEOUS AMMONIA SOLUTION ; DIOXIDE SEPARATION ; QUANTUM-CHEMISTRY ; HIGH-PRESSURES ; COSMO-RS ; CAPTURE ; ABSORPTION ; SOLVENTS ; MEA
WOS Research AreaThermodynamics ; Energy & Fuels
WOS SubjectThermodynamics ; Energy & Fuels
Funding OrganizationBeijing 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 IDWOS:000425565700004
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/24036
Collection湿法冶金清洁生产技术国家工程实验室
Affiliation1.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
Recommended Citation
GB/T 7714
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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