Phase behavior of quaternary aqueous two-phase systems: Influence factors and extraction mechanism study
Li, Yuliang1,2; Lu, Xiaojia1,2; Zhu, Qi1,2; Huang, Rong1,2; Hu, Jing3; Yang, Hongbin2; Yao, Yiliang4
2016-12-25
发表期刊FLUID PHASE EQUILIBRIA
卷号430期号:2016页码:101-111
文章类型Article
摘要The liquid-liquid equilibrium for five systems containing sodium carbonate + ethanol + 2-propanol + water (with different ethanol to 2-propanol mass ratios), sodium sulphate + ethanol + 2-propanol + water, sodium carbonate sodium dihydrogen phosphate + ethanol + 1-butyl-3-methylimidazolium tetrafluoroborate + water were determined at T = 308.15 K and atmospheric pressure. The binodal curves were correlated by Merchuk equation and another empirical formula while tie-lines were satisfactorily reproduced by a two-parameter equation with two other expressions respectively developed by Othiner-Tobias and Bancroft. Numerous factors were introduced to explore their impacts on the salting-out abilities of the quaternary aqueous two-phase systems. Results have shown that the anion species, ratio of organic components and system types significantly affected the phase behavior of investigated systems. Besides, the optimal system in this work was selected to extract vitamin B6 under laboratory conditions and the influences of pH value, temperature and extraction time on extraction process were investigated as well. (C) 2016 Elsevier B.V. All rights reserved.
关键词Aqueous Two-phase System Ionic Liquid Small-molecule Organic Solvent Extraction Vitamin B6
WOS标题词Science & Technology ; Physical Sciences ; Technology
DOI10.1016/j.fluid.2016.09.027
关键词[WOS]LIQUID-LIQUID EQUILIBRIA ; TEMPERATURES EXPERIMENTAL-DETERMINATION ; IONIC-LIQUID ; BIPHASIC SYSTEMS ; POLYETHYLENE-GLYCOL ; PLUS WATER ; SODIUM SUCCINATE ; AMMONIUM CITRATE ; INORGANIC SALTS ; TERNARY-SYSTEM
收录类别SCI
WOS研究方向Thermodynamics ; Chemistry ; Engineering
WOS类目Thermodynamics ; Chemistry, Physical ; Engineering, Chemical
WOS记录号WOS:000387834700010
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/5644
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 Educ, 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
4.Changan Univ, Sch Highway, Xian 710064, Peoples R China
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GB/T 7714
Li, Yuliang,Lu, Xiaojia,Zhu, Qi,et al. Phase behavior of quaternary aqueous two-phase systems: Influence factors and extraction mechanism study[J]. FLUID PHASE EQUILIBRIA,2016,430(2016):101-111.
APA Li, Yuliang.,Lu, Xiaojia.,Zhu, Qi.,Huang, Rong.,Hu, Jing.,...&Yao, Yiliang.(2016).Phase behavior of quaternary aqueous two-phase systems: Influence factors and extraction mechanism study.FLUID PHASE EQUILIBRIA,430(2016),101-111.
MLA Li, Yuliang,et al."Phase behavior of quaternary aqueous two-phase systems: Influence factors and extraction mechanism study".FLUID PHASE EQUILIBRIA 430.2016(2016):101-111.
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