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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
发表期刊HYDROMETALLURGY
卷号169页码:314-320
文章类型Article
摘要A 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.
关键词Lithium Solvent Extraction Ionic Liquid
WOS标题词Science & Technology ; Technology
关键词[WOS]N-BUTYL PHOSPHATE ; SOLVENT-EXTRACTION ; TRIBUTYL-PHOSPHATE ; AQUEOUS-SOLUTION ; NITRIC-ACID ; METAL-IONS ; SALT LAKE ; SYSTEM ; LANTHANIDES ; MALONAMIDE
收录类别SCI
语种英语
WOS研究方向Metallurgy & Metallurgical Engineering
WOS类目Metallurgy & Metallurgical Engineering
WOS记录号WOS:000401878200038
引用统计
文献类型期刊论文
条目标识符http://ir.isl.ac.cn/handle/363002/6221
专题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
作者单位1.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
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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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