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Lithium Extraction with a Synergistic System of Dioctyl Phthalate and Tributyl Phosphate in Kerosene and FeCl3
Ji, Lianmin1,2,3; Hu, Yuehua1; Li, Lijuan2,3; Shi, Dong2,3; Li, Jinfeng4; Nie, Feng2,3; Song, Fugen2,3; Zeng, Zhongmin2,3; Sun, Wei1; Liu, Zhiqi2,3
2016-06-01
Source PublicationHYDROMETALLURGY
Volume162Pages:71-78
SubtypeArticle
AbstractInnovative applications of dioctyl phthalate (DOP) as a synergist for the extraction of lithium chloride from saturated MgCl2 solutions were investigated using tributyl phosphate (TBP) as the extractant and FeCl3 as the coextractant. The effects of solvent concentration, HCl concentration, phase ratio, Fe/Li molar ratio, and other factors on Li extraction were analyzed. The preliminary results demonstrated that a single-stage Li extraction efficiency of >90% was obtained with a low TBP concentration of 40% (V/V) and 20% (V/V) DOP without phase separation problems. A Li extraction efficiency of 99.5% was obtained via a three-stage simulation of countercurrent extraction. A study on the mechanism revealed that TBP and DOP molecules associated with the Fe-Li complex through hydrogen bonding. Compared with the traditional TBP-kerosene system, the proposed system prevented the formation of the third phase and significantly reduced the TBP concentration, resulting in less severe causticity to the equipment and reduced aqueous loss of TBP during the extraction process. (C) 2016 Elsevier B.V. All rights reserved.
KeywordLithium Chloride Dioctyl Phthalate Tributyl Phosphate Solvent Extraction Synergist
WOS HeadingsScience & Technology ; Technology
WOS KeywordPOLYMER INCLUSION MEMBRANES ; SALT LAKE ; METAL ; TECHNOLOGY ; COMPLEXES
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000376544300010
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.isl.ac.cn/handle/363002/6322
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.Cent S Univ, Sch Minerals Proc & Bioengn, Changsha 410083, Peoples R China
2.Chinese Acad Sci, Qinghai Inst Salt Lakes, Xining 810008, Qinghai, Peoples R China
3.Chinese Acad Sci, Key Lab Comprehens & Highly Efficient Utilizat Sa, Beijing 100864, Peoples R China
4.Chinese Acad Sci, Shanghai Inst Organ Chem, Shanghai 200032, Peoples R China
Recommended Citation
GB/T 7714
Ji, Lianmin,Hu, Yuehua,Li, Lijuan,et al. Lithium Extraction with a Synergistic System of Dioctyl Phthalate and Tributyl Phosphate in Kerosene and FeCl3[J]. HYDROMETALLURGY,2016,162:71-78.
APA Ji, Lianmin.,Hu, Yuehua.,Li, Lijuan.,Shi, Dong.,Li, Jinfeng.,...&Liu, Zhiqi.(2016).Lithium Extraction with a Synergistic System of Dioctyl Phthalate and Tributyl Phosphate in Kerosene and FeCl3.HYDROMETALLURGY,162,71-78.
MLA Ji, Lianmin,et al."Lithium Extraction with a Synergistic System of Dioctyl Phthalate and Tributyl Phosphate in Kerosene and FeCl3".HYDROMETALLURGY 162(2016):71-78.
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