Phase behavior of an aqueous two-phase ionic liquid containing (N-butylpyridiniumtetrafluoroborate plus sulfate salts plus water) at different temperatures
Li, Yuliang1,2,3; Huang, Rong1; He, Ziyue1; Li, Na1; Lu, Xiaojia1
2016-04-01
发表期刊JOURNAL OF MOLECULAR LIQUIDS
卷号216期号:2016页码:174-184
文章类型Article
摘要Liquid-liquid equilibrium (LLE) data for N-butylpyridiniumtetrafluoroborate ([BPy]BF4) + sulfate salt + H2O systems have been determined experimentally at T = (298.15, 308.15, and 318.15) K. The binodal curves agree with an empirical nonlinear expression developed by Merchuk, while the tie-line data are described by the Othmer-Tobias, Bancroft two-parameter, and Setschenow-type equations. Factors, such as salts, that affect the binodal curves are also studied. The effective excluded volume (EEV) values obtained from the bimodal models for the two systems were determined, and the salting-out capabilities of different salts follow the order of Na2SO4> (NH4)(2)SO4, which may be related to the Gibbs free energy of hydration of the ions (Delta G(hyd)). Furthermore, the tie line is also discussed to evaluate the phase separation capabilities of the investigated systems. These reported data provide a significant contribution to the further study of extraction processes using ionic liquids (ILs). (C) 2015 Published by Elsevier B.V.
关键词Atps [Bpy]Bf4 Sulfate Salt Liquid-liquid Equilibrium Temperature
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.molliq.2015.12.068
关键词[WOS]POLYOXYETHYLENE LAURYL ETHER ; DIPOTASSIUM HYDROGEN PHOSPHATE ; 298.15 K EXPERIMENT ; BIPHASIC SYSTEMS ; DIHYDROGEN PHOSPHATE ; POLYETHYLENE-GLYCOL ; DIAGRAM DATA ; EQUILIBRIA ; CITRATE ; TETRAFLUOROBORATE
收录类别SCI
语种英语
WOS研究方向Chemistry ; Physics
WOS类目Chemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS记录号WOS:000374073900024
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5757
专题黄土与第四纪地质国家重点实验室(2010~)
作者单位1.Changan Univ, Sch Environm Sci & Engn, Xian 710064, Peoples R China
2.Minist Educt, Key Lab Subsurface Hydrol & Ecol Effects Arid Reg, Xian 710064, Peoples R China
3.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China
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GB/T 7714
Li, Yuliang,Huang, Rong,He, Ziyue,et al. Phase behavior of an aqueous two-phase ionic liquid containing (N-butylpyridiniumtetrafluoroborate plus sulfate salts plus water) at different temperatures[J]. JOURNAL OF MOLECULAR LIQUIDS,2016,216(2016):174-184.
APA Li, Yuliang,Huang, Rong,He, Ziyue,Li, Na,&Lu, Xiaojia.(2016).Phase behavior of an aqueous two-phase ionic liquid containing (N-butylpyridiniumtetrafluoroborate plus sulfate salts plus water) at different temperatures.JOURNAL OF MOLECULAR LIQUIDS,216(2016),174-184.
MLA Li, Yuliang,et al."Phase behavior of an aqueous two-phase ionic liquid containing (N-butylpyridiniumtetrafluoroborate plus sulfate salts plus water) at different temperatures".JOURNAL OF MOLECULAR LIQUIDS 216.2016(2016):174-184.
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