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Solubilities of ammonia in basic imidazolium ionic liquids
Li, Guihua1,2; Zhou, Qing1; Zhang, Xiangping1; LeiWang1; Zhang, Suojiang1; Li, Jianwei2; Zhang, XP
2010-10-15
Source PublicationFLUID PHASE EQUILIBRIA
ISSN0378-3812
Volume297Issue:1Pages:34-39
AbstractSolubilities of ammonia in four conventional imidazolium ionic liquids: [C(n) mim][BF(4)] (n = 2, 4, 6, 8) have been measured. Isothermally fixed temperatures are 293.15, 303.15, 313.15, 323.15 and 333.15K; the pressure is from 0 to 1.0 MPa. High solubilities of ammonia are found, and it is also found that the solubilities of ammonia increase when the length of cations' alkyl increases (the ILs have the same anion), that is: [C(8)mim](+) > [C(6)mim](+) > [C(4)mim](+) > [C(2)mim](+). The solubility data have been correlated by the Krichevisky-Kasarnovsky equation, and then Henry's constants and partial molar volumes of NH(3) at infinite dilution are obtained. The thermodynamic properties such as solution enthalpy (Delta(sol)H), solution Gibbs free energy (Delta(sol)G), solution entropy (Delta(sol)S), and solution heat capacity (Delta(sol)C(p)) of these systems are obtained. (C) 2010 Published by Elsevier B.V.
KeywordIonic Liquids Solubility Fluid Phase Equilibrium Thermodynamic Properties
SubtypeArticle
WOS HeadingsScience & Technology ; Physical Sciences ; Technology
DOI10.1016/j.fluid.2010.06.005
Indexed BySCI
Language英语
WOS KeywordPRESSURE PHASE-BEHAVIOR ; ELEVATED PRESSURES ; 1,1,3,3-TETRAMETHYLGUANIDIUM LACTATE ; CARBON-DIOXIDE ; CO2 ; HEXAFLUOROPHOSPHATE ; TEMPERATURES ; EQUILIBRIA ; MIXTURES ; SYSTEMS
WOS Research AreaThermodynamics ; Chemistry ; Engineering
WOS SubjectThermodynamics ; Chemistry, Physical ; Engineering, Chemical
WOS IDWOS:000281925400005
Citation statistics
Cited Times:58[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5694
Collection多相复杂系统国家重点实验室
Corresponding AuthorZhang, XP
Affiliation1.Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100080, Peoples R China
2.Beijing Univ Chem Technol, State Key Lab Chem Resource Engn, Beijing 100190, Peoples R China
Recommended Citation
GB/T 7714
Li, Guihua,Zhou, Qing,Zhang, Xiangping,et al. Solubilities of ammonia in basic imidazolium ionic liquids[J]. FLUID PHASE EQUILIBRIA,2010,297(1):34-39.
APA Li, Guihua.,Zhou, Qing.,Zhang, Xiangping.,LeiWang.,Zhang, Suojiang.,...&Zhang, XP.(2010).Solubilities of ammonia in basic imidazolium ionic liquids.FLUID PHASE EQUILIBRIA,297(1),34-39.
MLA Li, Guihua,et al."Solubilities of ammonia in basic imidazolium ionic liquids".FLUID PHASE EQUILIBRIA 297.1(2010):34-39.
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