中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
THE KINETICS OF COBALT(II) EXTRACTION WITH EHEHPA IN HEPTANE FROM ACETATE SYSTEM USING AN IMPROVED LEWIS CELL TECHNIQUE

文献类型:期刊论文

AuthorCHEN, CQ; ZHU, T
SourceSOLVENT EXTRACTION AND ION EXCHANGE
Issued Date1994
Volume12Issue:5Pages:1013-1032
ISSN0736-6299
Alternative TitleSolvent Extr. Ion Exch.
AbstractThe cobalt(LI) extraction kinetics and mechanism with EHEHPA (2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester) were investigated by an improved constant interfacial area stirred cell. The effects of the buffer species, stirring rate, temperature, specific interfacial area and surfactants on the extraction rate showed that the extraction regime was dependent on the extraction conditions and the most probable reaction zone was at the liquid-liquid interface. This extraction process was reaction controlled at lower concentration of the reactants, while it was mixed chemical reaction-diffusion or diffusion controled only for higher concentration of the reactants. An interfacial extraction reaction model with diffusion was derived. The kinetics of the extraction process was simulated with this model.
English AbstractThe cobalt(LI) extraction kinetics and mechanism with EHEHPA (2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester) were investigated by an improved constant interfacial area stirred cell. The effects of the buffer species, stirring rate, temperature, specific interfacial area and surfactants on the extraction rate showed that the extraction regime was dependent on the extraction conditions and the most probable reaction zone was at the liquid-liquid interface. This extraction process was reaction controlled at lower concentration of the reactants, while it was mixed chemical reaction-diffusion or diffusion controled only for higher concentration of the reactants. An interfacial extraction reaction model with diffusion was derived. The kinetics of the extraction process was simulated with this model.
WOS HeadingsScience & Technology ; Physical Sciences
WOS SubjectChemistry, Multidisciplinary
WOS Subject ExtendedChemistry
Indexed TypeSCI
Related URLs://WOS:A1994PL64100007
Language英语
WOS IDWOS:A1994PL64100007
Available Date2014-03-14
Version出版稿
源URL[http://ir.ipe.ac.cn/handle/122111/7994]  
Collection过程工程研究所_研究所(批量导入)
AffiliationACAD SINICA, INST CHEM MET, BEIJING 100080, PEOPLES R CHINA
Recommended Citation
GB/T 7714
CHEN, CQ,ZHU, T. THE KINETICS OF COBALT(II) EXTRACTION WITH EHEHPA IN HEPTANE FROM ACETATE SYSTEM USING AN IMPROVED LEWIS CELL TECHNIQUE[J]. SOLVENT EXTRACTION AND ION EXCHANGE,1994,12(5):1013-1032.
APA CHEN, CQ,&ZHU, T.(1994).THE KINETICS OF COBALT(II) EXTRACTION WITH EHEHPA IN HEPTANE FROM ACETATE SYSTEM USING AN IMPROVED LEWIS CELL TECHNIQUE.SOLVENT EXTRACTION AND ION EXCHANGE,12(5),1013-1032.
MLA CHEN, CQ,et al."THE KINETICS OF COBALT(II) EXTRACTION WITH EHEHPA IN HEPTANE FROM ACETATE SYSTEM USING AN IMPROVED LEWIS CELL TECHNIQUE".SOLVENT EXTRACTION AND ION EXCHANGE 12.5(1994):1013-1032.

入库方式: 人工提交

来源:过程工程研究所

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