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Lithium isotope separation by liquid-liquid extraction using ionic liquid system containing dibenzo-14-crown-4
Shi, Chenglong1,2,3; Jia, Yongzhong1,2; Xiao, Jiang1,2,3; Wang, Xingquan1,2,3; Yao, Ying1,2; Jing, Yan1,2
2016-12-01
Source PublicationJOURNAL OF MOLECULAR LIQUIDS
Volume224Pages:662-667
SubtypeArticle
AbstractIn this paper, a novel liquid-liquid extraction system was investigated for the selective separation of lithium isotopes using ionic liquid (IL) and dichloroethane as extraction solvent and dibenzo-14-crown-4 (DB14C4) as extractant. Results showed that the separation performance of DB14C4 has been improved after the ILs were involved in the extraction process. The maximum single stage separation factor alpha for Li-6/Li-7 obtained in the present study was 1.021. The light lithium isotope Li-6 and the heavy lithium isotope Li-7 were concentrated in organic phase and solution phase, respectively. The order of the single stage separation factor obtained in different lithium salts was LiI > LiBr > LiClO4 > LiCl. From the temperature dependence data, the thermodynamic functions values of the lithium isotope exchange reaction were calculated. (C) 2016 Elsevier B.V. All rights reserved.
KeywordIonic Liquids Solvent Extraction Dibenzo-14-crown-4 Lithium Isotopes
WOS HeadingsScience & Technology ; Physical Sciences
WOS KeywordETHER RESIN ; BENZO-15-CROWN-5 ; EFFICIENT ; MICROEXTRACTION ; ENRICHMENT ; STRATEGY ; GREEN
Indexed BySCI
Language英语
WOS Research AreaChemistry ; Physics
WOS SubjectChemistry, Physical ; Physics, Atomic, Molecular & Chemical
WOS IDWOS:000390496200081
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6180
Collection青海盐湖研究所知识仓储
盐湖资源综合利用工程技术中心
Affiliation1.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Peoples R China
2.Chinese Acad Sci, Key Lab Comprehens & Highly Efficient Utilizat Sa, Xining 810008, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
Recommended Citation
GB/T 7714
Shi, Chenglong,Jia, Yongzhong,Xiao, Jiang,et al. Lithium isotope separation by liquid-liquid extraction using ionic liquid system containing dibenzo-14-crown-4[J]. JOURNAL OF MOLECULAR LIQUIDS,2016,224:662-667.
APA Shi, Chenglong,Jia, Yongzhong,Xiao, Jiang,Wang, Xingquan,Yao, Ying,&Jing, Yan.(2016).Lithium isotope separation by liquid-liquid extraction using ionic liquid system containing dibenzo-14-crown-4.JOURNAL OF MOLECULAR LIQUIDS,224,662-667.
MLA Shi, Chenglong,et al."Lithium isotope separation by liquid-liquid extraction using ionic liquid system containing dibenzo-14-crown-4".JOURNAL OF MOLECULAR LIQUIDS 224(2016):662-667.
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