Measurements and correlation of liquid-liquid equilibrium data for the ternary (3-heptanone plus phenol plus water) system
Xu, Gaojie1,2; Yang, Deling1; Ning, Pengge1; Wang, Qingjie1; Gong, Fuchun2; Cao, Hongbin1
2017-03-01
发表期刊JOURNAL OF CHEMICAL THERMODYNAMICS
ISSN0021-9614
卷号106页码:295-302
摘要Liquid-liquid equilibrium (LLE) for the ternary (3-heptanone + phenol + water) system has been determined under atmospheric pressure at 298.15 K, 303.15 K, 318.15 K and 323.15 K. The NRTL and UNIQUAC models were used to correlate the experimental results. The corresponding binary parameters were obtained and their physical meaning is explained by intermolecular attractive energy. The results from the two models agree well with experimental values, The NRTL model was more accurate than that of the UNIQUAC model. Meanwhile, the NRTL model was used to regress all the experimental values at different temperatures simultaneously, which is defined as total-regression. Compared with the individual regression by the NRTL model, the total regression by the NRTL model has fewer parameters and covers a wider interpolated range from 298.15 K to 323.15 K. The distribution coefficient for phenol changes with temperature. The phenol concentration can be expressed as a function of activity coefficient of phenol in both phases. The effect of temperature on the extraction performance of 3-heptanone was also investigated. The phenol extraction process by 3-heptanone is exothermic. The increase of temperature is not a benefit to phenol extraction. (C) 2016 Published by Elsevier Ltd.
关键词Phenol Lle Data Correlation Nrtl Model Uniquac Model 3-heptanone
文章类型Article
WOS标题词Science & Technology ; Physical Sciences
DOI10.1016/j.jct.2016.11.004
收录类别SCI
语种英语
关键词[WOS]EXTRACTION ; MIXTURES ; SOLVENTS
WOS研究方向Thermodynamics ; Chemistry
WOS类目Thermodynamics ; Chemistry, Physical
项目资助者National Science Fund for Distinguished Young Scholars of China(51425405) ; Science and Technology Project of Hunan Province(2014SK3173)
WOS记录号WOS:000392352900032
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文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/21907
专题湿法冶金清洁生产技术国家工程实验室
作者单位1.Chinese Acad Sci, Res Ctr Proc Pollut Control Beijing, Inst Proc Engn, Beijing 100190, Peoples R China
2.Changsha Univ Sci & Technol, Sch Chem & Biol Engn, Changsha 410076, Hunan, Peoples R China
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Xu, Gaojie,Yang, Deling,Ning, Pengge,et al. Measurements and correlation of liquid-liquid equilibrium data for the ternary (3-heptanone plus phenol plus water) system[J]. JOURNAL OF CHEMICAL THERMODYNAMICS,2017,106:295-302.
APA Xu, Gaojie,Yang, Deling,Ning, Pengge,Wang, Qingjie,Gong, Fuchun,&Cao, Hongbin.(2017).Measurements and correlation of liquid-liquid equilibrium data for the ternary (3-heptanone plus phenol plus water) system.JOURNAL OF CHEMICAL THERMODYNAMICS,106,295-302.
MLA Xu, Gaojie,et al."Measurements and correlation of liquid-liquid equilibrium data for the ternary (3-heptanone plus phenol plus water) system".JOURNAL OF CHEMICAL THERMODYNAMICS 106(2017):295-302.
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