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Phase separation dynamics in oil-polymer-salt-water three-liquid-phase system: Effect of phase-forming salt
Lin, Jieyuan1,2,3; Huang, Kun1,2; Sun, Pan1,2,3; Liu, Huizhou1,2
2018-02-02
Source PublicationCHEMICAL ENGINEERING SCIENCE
ISSN0009-2509
Volume176Issue:00Pages:622-631
Abstract

Effect of phase-forming salts on the phase separation dynamics of the three-liquid-phase system, composed of tributyl phosphate (TBP) and PEG2000-salts aqueous two phases, was investigated. We found the species of salts exhibited almost no effect on the separation rate of oil top phase and polymer middle phase from salt aqueous bottom phase, however separation between oil top phase and polymer middle phase became slow with the increase of salting-out ability of the ions present in the slats. Theoretical analysis were provided why aggregation of dispersed oil drops in polymer phase and dispersed polymer drops in oil phase slowed down with increasing the salting-out ability. The effect of salts on the Van der Waals attraction potential energy among dispersed oil or polymer drops, and the hydrophobicity difference between oil and polymer phase play a crucial role. The present work promotes our understanding into the essence of phase-forming salts in three-liquid-phase separation processes. (C) 2017 Elsevier Ltd. All rights reserved.

KeywordThree-liquid-phase System Phase Separation Phase-forming Salt Salting-out Interaction
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.ces.2017.11.026
Indexed BySCI
Language英语
WOS KeywordAqueous 2-phase Systems ; Liquid Systems ; Behavior ; Energy ; Aggregation ; Copolymers ; Solvation ; Pyrene
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China(51574213 ; Key Project of Chinese National Programs for Fundamental Research and Development (973 Program)(2013CB632602 ; 51074150) ; 2012CBA01203)
WOS IDWOS:000418484200050
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/23454
Collection研究所(批量导入)
Corresponding AuthorHuang, Kun
Affiliation1.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, State Key Lab Biochem Engn, Beijing 100190, Peoples R China
2.Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Lin, Jieyuan,Huang, Kun,Sun, Pan,et al. Phase separation dynamics in oil-polymer-salt-water three-liquid-phase system: Effect of phase-forming salt[J]. CHEMICAL ENGINEERING SCIENCE,2018,176(00):622-631.
APA Lin, Jieyuan,Huang, Kun,Sun, Pan,&Liu, Huizhou.(2018).Phase separation dynamics in oil-polymer-salt-water three-liquid-phase system: Effect of phase-forming salt.CHEMICAL ENGINEERING SCIENCE,176(00),622-631.
MLA Lin, Jieyuan,et al."Phase separation dynamics in oil-polymer-salt-water three-liquid-phase system: Effect of phase-forming salt".CHEMICAL ENGINEERING SCIENCE 176.00(2018):622-631.
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