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Liquid-liquid extraction of lithium using novel phosphonium ionic liquid as an extractant
Shi, Chenglong1,2,3; Jing, Yan1,2; Xiao, Jiang1,2,3; Wang, Xingquan1,2,3; Jia, Yongzhong1,2
2017-05-01
Source PublicationHYDROMETALLURGY
Volume169Pages:314-320
SubtypeArticle
AbstractA novel phosphonium ionic liquid (IL), tetrabutylphosphonium bis(2,4,4-trimethylpentyl)phosphinate([P-4444][BTMPPD, was prepared and characterized by NMR spectroscopy. The solvent extraction behavior of lithium from aqueous solution by this IL in toluene was investigated. The extraction behavior was carried out as a function of various parameters such as aqueous acidity, temperature and extractant concentration. The extraction efficiencies obtained in [P-4444][BTMPP] were compared with those observed in molecular extractant bis(2,4,4-trimethylpentyl) phosphinic acid (HBTMPP), from which the anion of the ionic liquid extractant was prepared. The extraction efficiency for extraction of lithium by [P-4444][BTMPP] was much higher than that for extraction by HBTMPP. The extracted species were ascertained from slop analysis method which indicated 1:1 (metal:ligand) ratio in the complex. In addition, the effects of thermodynamic parameters, the stripping of lithium from the ionic liquid, and the reusability of the phosphonium ionic liquid were studied in detail. (C) 2017 Elsevier B.V. All rights reserved.
KeywordLithium Solvent Extraction Ionic Liquid
WOS HeadingsScience & Technology ; Technology
WOS KeywordN-BUTYL PHOSPHATE ; SOLVENT-EXTRACTION ; TRIBUTYL-PHOSPHATE ; AQUEOUS-SOLUTION ; NITRIC-ACID ; METAL-IONS ; SALT LAKE ; SYSTEM ; LANTHANIDES ; MALONAMIDE
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000401878200038
Citation statistics
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6221
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,Jing, Yan,Xiao, Jiang,et al. Liquid-liquid extraction of lithium using novel phosphonium ionic liquid as an extractant[J]. HYDROMETALLURGY,2017,169:314-320.
APA Shi, Chenglong,Jing, Yan,Xiao, Jiang,Wang, Xingquan,&Jia, Yongzhong.(2017).Liquid-liquid extraction of lithium using novel phosphonium ionic liquid as an extractant.HYDROMETALLURGY,169,314-320.
MLA Shi, Chenglong,et al."Liquid-liquid extraction of lithium using novel phosphonium ionic liquid as an extractant".HYDROMETALLURGY 169(2017):314-320.
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