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Phase Separation Dynamics in Oil-Polyethylene Glycol-Sulfate-Water Based Three-Liquid-Phase Systems
Lin, Jieyuan1,2,3; Huang, Kun1,2; Suo, Zhicheng4; Li, Xiaopei1,2,3; Xiao, Chuanxu1,2,3; Liu, Huizhou1,2
2015-04-22
Source PublicationINDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH
ISSN0888-5885
Volume54Issue:15Pages:3952-3960
Abstract

Phase separation dynamic processes in three-liquid-phase system (TLPS), composed of organic oil (P507 extractant), water-soluble polymer (PEG2000), ammonium sulfate, and water, with the change of mass composition Of phase-forming components were investigated. It was found that dynamic separation of three-layered liquid phases in TLPS is in fact a course of dispersive polymer and organic oil droplets aggregated and separated out respectively from continuous salt aqueous bottom phase. Formation rate of organic oil phase was controlled mainly by coalescence rate of dispersed oil droplets; however, the rate-determining process for formation of polymer middle phase may change from drop sedimentation to coalescence or codetermined by both, when mass composition of the TLPS changed along different operation lines. With the formation of organic oil phase, it becomes another continuous phase, from which dispersive polymer droplets separated out and aggregated into a bulk phase gradually. Phase separation equilibrating time of TLPS, t(E), depends on formation rate of the polymer middle phase and its equilibrium volume. A quantitative correlation of phase separation rate of TLPS with its physicochemical properties Was given. The present work promotes further understanding about influence from change in mass composition of phase-forming components in TLPS on three-phase separation dynamic processes.

SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1021/acs.iecr.5b00066
Indexed BySCI
Language英语
WOS KeywordAQUEOUS 2-PHASE SYSTEMS ; EXTRACTION SYSTEMS ; LIQUID-PHASES
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000353929300022
Citation statistics
Cited Times:4[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/16773
Collection湿法冶金清洁生产技术国家工程实验室
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
4.Tianjin Chengjian Univ, Sch Sci, Tianjin 300384, Peoples R China
Recommended Citation
GB/T 7714
Lin, Jieyuan,Huang, Kun,Suo, Zhicheng,et al. Phase Separation Dynamics in Oil-Polyethylene Glycol-Sulfate-Water Based Three-Liquid-Phase Systems[J]. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,2015,54(15):3952-3960.
APA Lin, Jieyuan,Huang, Kun,Suo, Zhicheng,Li, Xiaopei,Xiao, Chuanxu,&Liu, Huizhou.(2015).Phase Separation Dynamics in Oil-Polyethylene Glycol-Sulfate-Water Based Three-Liquid-Phase Systems.INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH,54(15),3952-3960.
MLA Lin, Jieyuan,et al."Phase Separation Dynamics in Oil-Polyethylene Glycol-Sulfate-Water Based Three-Liquid-Phase Systems".INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 54.15(2015):3952-3960.
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