中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Extraction separation of rare-earth ions via competitive ligand complexations between aqueous and ionic-liquid phases

文献类型:期刊论文

作者Sun XQ ; Bell JR ; Luo HM ; Dai S
刊名dalton transactions
出版日期2011
卷号40期号:31页码:8019-8023
关键词SOLVENT-EXTRACTION CROWN-ETHERS METAL-IONS TALSPEAK PROCESS LANTHANIDES ACTINIDES COORDINATION CATALYSIS GREENNESS MECHANISM
ISSN号1477-9226
通讯作者luo hm
中文摘要the extraction separation of rare earth elements is one of the most challenging separation processes in hydrometallurgy and advanced nuclear fuel cycles. the talspeak process (trivalent actinide lanthanide separations by phosphorus-reagent extraction from aqueous komplexes) is a prime example of these separation processes. the objective of this paper is to explore the use of ionic liquids (ils) for the talspeak-like process, to further enhance its extraction efficiencies for lanthanides, and to investigate the potential of using this modified talspeak process for separation of lanthanides among themselves. eight imidazolium ils ([c(n)mim][ntf(2)] and [c(n)mim][beti], n = 4,6,8,10) and one pyrrolidinium il ([c(4)mpy][ntf(2)]) were investigated as diluents using di(2-ethylhexyl) phosphoric acid (hdehp) as an extractant for the separation of lanthanide ions from aqueous solutions of 50 mm glycolic acid or citric acid and 5 mm diethylenetriamine pentaacetic acid (dtpa). the extraction efficiencies were studied in comparison with diisopropylbenzene (dipb), an organic solvent used as a diluent for the conventional talspeak extraction system. excellent extraction efficiencies and selectivities were found for a number of lanthanide ions using hdehp as an extractant in these ils. the effects of different alkyl chain lengths in the cations of ils and of different anions on extraction efficiencies and selectivities of lanthanide ions are also presented in this paper.
收录类别SCI收录期刊论文
语种英语
WOS记录号WOS:000293175800028
公开日期2012-06-12
源URL[http://ir.ciac.jl.cn/handle/322003/45107]  
专题长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式
GB/T 7714
Sun XQ,Bell JR,Luo HM,et al. Extraction separation of rare-earth ions via competitive ligand complexations between aqueous and ionic-liquid phases[J]. dalton transactions,2011,40(31):8019-8023.
APA Sun XQ,Bell JR,Luo HM,&Dai S.(2011).Extraction separation of rare-earth ions via competitive ligand complexations between aqueous and ionic-liquid phases.dalton transactions,40(31),8019-8023.
MLA Sun XQ,et al."Extraction separation of rare-earth ions via competitive ligand complexations between aqueous and ionic-liquid phases".dalton transactions 40.31(2011):8019-8023.

入库方式: OAI收割

来源:长春应用化学研究所

浏览0
下载0
收藏0
其他版本

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。