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A novel constant interfacial area cell for determining the extraction kinetics of Er(III) from chloride medium
Xiao, Chuanxu1,2; Huang, Kun1; Liu, Huizhou1,3
2018-06-01
Source PublicationCHINESE JOURNAL OF CHEMICAL ENGINEERING
ISSN1004-9541
Volume26Issue:6Pages:1435-1441
Abstract

A novel constant interfacial area cell (NCIAC), by spatially separating the agitation from liquid flow circulation of organic and aqueous two phases, was suggested to obtain detailed kinetic data for Er(III) extraction from chloride medium by 2-ethyl-hexyl-phosphonic acid mono-(2-ethylhexyl) ester (EHEHPA). Different from the traditional Lewis cell and the constant interfacial area cell with laminar flow, the concentrations of Er(III) in organic and aqueous two phases were uniform, and the stability of the interfacial area between the two phases could be controlled effectively. Therefore, the special requirements for the design of agitators in the traditional Lewis cell and the constant interfacial area cell for minimizing the influence of diffusion resistance could be avoided. Experimental results indicated that the extraction kinetics was mainly affected by the aqueous flowrate, interfacial area between organic and aqueous two phases, and the aqueous pH values. An extraction kinetic equation was suggested based on the experimental data. (C) 2018 The Chemical Industry and Engineering Society of China, and Chemical Industry Press. All rights reserved.

KeywordSolvent Extraction Measurement Kinetics Constant Interfacial Area Cell Er(Iii) Extraction Ehehpa
DOI10.1016/j.cjche.2018.04.016
Language英语
WOS KeywordMass-transfer Kinetics ; Rare-earth-elements ; Laminar-flow ; Solvent-extraction ; Lewis Cell ; Di-(2-ethylhexyl)Phosphoric Acid ; Acetic-acid ; Mechanism ; y(Iii) ; Systems
Funding ProjectNational Natural Science Foundation of China[51574213] ; National Natural Science Foundation of China[51074150] ; Key Project of Chinese National Programs for Fundamental Research and Development[2012CBA01203] ; Key Project of Chinese National Programs for Fundamental Research and Development[2013CB632602]
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
Funding OrganizationNational Natural Science Foundation of China ; Key Project of Chinese National Programs for Fundamental Research and Development
WOS IDWOS:000440837100023
PublisherCHEMICAL INDUSTRY PRESS
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/25465
Collection中国科学院过程工程研究所
Corresponding AuthorHuang, Kun; Liu, Huizhou
Affiliation1.Chinese Acad Sci, Inst Proc Engn, CAS Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Qingdao Inst Bioenergy & Bioproc Technol, Qingdao 266101, Peoples R China
Recommended Citation
GB/T 7714
Xiao, Chuanxu,Huang, Kun,Liu, Huizhou. A novel constant interfacial area cell for determining the extraction kinetics of Er(III) from chloride medium[J]. CHINESE JOURNAL OF CHEMICAL ENGINEERING,2018,26(6):1435-1441.
APA Xiao, Chuanxu,Huang, Kun,&Liu, Huizhou.(2018).A novel constant interfacial area cell for determining the extraction kinetics of Er(III) from chloride medium.CHINESE JOURNAL OF CHEMICAL ENGINEERING,26(6),1435-1441.
MLA Xiao, Chuanxu,et al."A novel constant interfacial area cell for determining the extraction kinetics of Er(III) from chloride medium".CHINESE JOURNAL OF CHEMICAL ENGINEERING 26.6(2018):1435-1441.
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