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Measurement and Modeling of Vapor-Liquid Equilibria for Systems Containing Alcohols, Water, and lmidazolium-Based Phosphate Ionic Liquids
Wang, Junfeng; Li, Zhibao
2013-06-01
Source PublicationJOURNAL OF CHEMICAL AND ENGINEERING DATA
Volume58Issue:6Pages:1641-1649
AbstractVapor liquid equilibiria (VLE) were measured for systems containing 1-methyl-3-ethylimidazolium diethylphosphate ([EMIM] [DEP]) ionic liquid (IL) in the temperature range from 310 K to 390 K. The systems include 1-propanol + [EMIM][DEP], 2-propanol + [EMIM][DEP], water +1-propanol + [EMIM][DEP], and water + 2-propanol + [EMIM][DEP]. [EMIM][DEP] was divided into one 1,3-dimethylimidazolium dimethylphosphate ([MMIM][DMP]) and three methylene (CH2) electrically neutral groups. And then the experimental VLE data for binary systems containing [EMIM][DEP] were regressed using the modified UNIFAC model with the maximum average relative deviation (ARD) of 2.7 %. The newly obtained interaction parameters between groups allowed the reliable prediction of other binary and ternary systems containing [MMIM][DMP] and [EMIM][DEP] without parametrization. It was found that both of the ILs can give rise to the salting-out effect, and lead to a breaking of the azeotropic behavior of alcohols + water mixtures. [MMIM][DMP] shows a higher separation ability for the azeotropic mixture studied than [EMIM][DEP].
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
Indexed BySCI
Language英语
WOS KeywordMODIFIED UNIFAC DORTMUND ; PRESSURE MEASUREMENT ; EXTENSION ; REVISION ; MIXTURES ; BINARY ; PREDICTION ; CHLORIDE ; SOLVENTS ; MATRIX
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
WOS IDWOS:000320641100029
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Cited Times:7[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/13472
Collection研究所(批量导入)
AffiliationChinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Wang, Junfeng,Li, Zhibao. Measurement and Modeling of Vapor-Liquid Equilibria for Systems Containing Alcohols, Water, and lmidazolium-Based Phosphate Ionic Liquids[J]. JOURNAL OF CHEMICAL AND ENGINEERING DATA,2013,58(6):1641-1649.
APA Wang, Junfeng,&Li, Zhibao.(2013).Measurement and Modeling of Vapor-Liquid Equilibria for Systems Containing Alcohols, Water, and lmidazolium-Based Phosphate Ionic Liquids.JOURNAL OF CHEMICAL AND ENGINEERING DATA,58(6),1641-1649.
MLA Wang, Junfeng,et al."Measurement and Modeling of Vapor-Liquid Equilibria for Systems Containing Alcohols, Water, and lmidazolium-Based Phosphate Ionic Liquids".JOURNAL OF CHEMICAL AND ENGINEERING DATA 58.6(2013):1641-1649.
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