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Thermodynamic Modeling and Assessment of Ionic Liquid-Based CO2 Capture Processes
Alternative TitleInd. Eng. Chem. Res.
Huang, Ying1,2; Zhang, Xiangping1; Zhang, Xin1,2; Dong, Haifeng1; Zhang, Suojiang1
2014-07-23
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume53Issue:29Pages:11805-11817
AbstractIonic liquid (IL)-amine hybrid solvents have been experimentally proved to be effective for CO2 capture. This Article provided rigorous thermodynamic models, process simulation, and cost estimation of a potential design of IL-based CO2 capture processes. Three lLs ([Bmim][BF4], [Bmim][DCA], and [Bpy][BF4]) were investigated to blend with MEA aqueous solution. The physicochemical properties of the ILs were predicted by several temperature-dependent correlations. Phase equilibria were modeled based on Henry's law and NRTL equation, and the calculated values were in good agreement with the experimental data. The simulation results show that the [Bpy][BF4]-MEA process can save about 15% regeneration heat duty as compared to the conventional MEA process, which is attributed to the reduction of sensible and latent heat. Moreover, a modified [Bpy][BF4]-MEA process via adding intercooling and lean vapor recompression presents 12% and 13.5% reduction in overall equivalent energy penalty and capture cost as compared to the conventional MEA process, respectively.; Ionic liquid (IL)-amine hybrid solvents have been experimentally proved to be effective for CO2 capture. This Article provided rigorous thermodynamic models, process simulation, and cost estimation of a potential design of IL-based CO2 capture processes. Three lLs ([Bmim][BF4], [Bmim][DCA], and [Bpy][BF4]) were investigated to blend with MEA aqueous solution. The physicochemical properties of the ILs were predicted by several temperature-dependent correlations. Phase equilibria were modeled based on Henry's law and NRTL equation, and the calculated values were in good agreement with the experimental data. The simulation results show that the [Bpy][BF4]-MEA process can save about 15% regeneration heat duty as compared to the conventional MEA process, which is attributed to the reduction of sensible and latent heat. Moreover, a modified [Bpy][BF4]-MEA process via adding intercooling and lean vapor recompression presents 12% and 13.5% reduction in overall equivalent energy penalty and capture cost as compared to the conventional MEA process, respectively.
KeywordCarbon-dioxide Absorption Power-plants Vapor-pressure Natural-gas 1-butyl-3-methylimidazolium Tetrafluoroborate Stripper Configurations Technoeconomic Analysis Monoethanolamine Mea Aqueous-solutions Ternary-systems
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/ie501538e
URL查看原文
Indexed BySCI
Language英语
WOS KeywordCARBON-DIOXIDE ABSORPTION ; POWER-PLANTS ; VAPOR-PRESSURE ; NATURAL-GAS ; 1-BUTYL-3-METHYLIMIDAZOLIUM TETRAFLUOROBORATE ; STRIPPER CONFIGURATIONS ; TECHNOECONOMIC ANALYSIS ; MONOETHANOLAMINE MEA ; AQUEOUS-SOLUTIONS ; TERNARY-SYSTEMS
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000339471500025
Citation statistics
Cited Times:60[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/10916
Collection研究所(批量导入)
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing Key Lab Ion Liquids Clean Proc,State Key, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Huang, Ying,Zhang, Xiangping,Zhang, Xin,et al. Thermodynamic Modeling and Assessment of Ionic Liquid-Based CO2 Capture Processes[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2014,53(29):11805-11817.
APA Huang, Ying,Zhang, Xiangping,Zhang, Xin,Dong, Haifeng,&Zhang, Suojiang.(2014).Thermodynamic Modeling and Assessment of Ionic Liquid-Based CO2 Capture Processes.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,53(29),11805-11817.
MLA Huang, Ying,et al."Thermodynamic Modeling and Assessment of Ionic Liquid-Based CO2 Capture Processes".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 53.29(2014):11805-11817.
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