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A novel constant interfacial area cell for determining the extraction kinetics of Er(III) from chloride medium
Xiao, Chuanxu; Huang, Kun; Liu, Huizhou
2018
Conference Name10th International Symposium on Catalysis in Multiphase Reactors (CAMURE) / 9th International Symposium on Multifunctional Reactors (ISMR)
Source PublicationArticle; Proceedings Paper
Volume26
IssueSI
Pages1435
Conference DateJUL 07-10, 2017
Conference PlaceQingdao, PEOPLES R CHINA
Author of SourceChinese Acad Sci, Inst Proc Engn, Chinese Acad Sci, Qingdao Inst Bioenergy & Bioprocess Technol
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 Mass-transfer Kinetics Measurement Rare-earth-elements Kinetics Laminar-flow Constant Interfacial Area Cell Solvent-extraction Er(Iii) Extraction Lewis Cell Ehehpa Di-(2-ethylhexyl)Phosphoric Acid Acetic-acid Mechanism y(Iii) Systems
DOI10.1016/j.cjche.2018.04.016
WOS IDWOS:000440837100023
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Document Type会议论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/28957
Collection中国科学院过程工程研究所
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[C]//Chinese Acad Sci, Inst Proc Engn, Chinese Acad Sci, Qingdao Inst Bioenergy & Bioprocess Technol,2018:1435.
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