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Investigation of three-liquid-phase extraction systems for the separation of Ti(IV), Fe(III) and Mg(II)
Xie, Keng1,2,3; Zhao, Junmei1; Yang, Liangrong1,3; Yu, Pinhua1,3; Liu, Huizhou1; Liu, HZ
2010-12-13
Source PublicationSEPARATION AND PURIFICATION TECHNOLOGY
ISSN1383-5866
Volume76Issue:2Pages:191-197
AbstractThree-liquid-phase extraction system (TES) composed of an organic solvent-rich top phase, a polymer-rich middle phase and a salt-rich bottom phase has been considered to be a promising method of isolation and separation of multi-component. In this paper, we tried to use TES to treat multimetal solutions including Ti(IV), Fe(III) and Mg(II) for the first time. Different combinations of organic extractant-polymer-inorganic salt were evaluated. And the effects of solution acidity, complexing agents and additives on the metal ions partitioning were investigated. The results indicated that Mg(II) was concentrated in the salt-rich bottom phase, whereas Ti(IV) and Fe(III) were quantitatively extracted into the trialkylphosphine oxide (TRPO) (or di-2-ethyl-hexyl phosphoric acid (D2EHPA))-rich top phase. And the addition of ethylenediaminetetraacetic acid (EDTA) enabled Fe(III) to distribute into the polyethylene glycol with molecular mass 2000 (PEG 2000)-rich middle phase. The transfer of Fe(III) greatly improved the selectivity of the top phase for Ti(IV) and made a significant impact on the separation of Ti(IV), Fe(III) and Mg(II). (C) 2010 Elsevier B.V. All rights reserved.
KeywordThree-liquid-phase Extraction System Separation Ti(Iv) Fe(Iii) Mg(Ii)
SubtypeArticle
WOS HeadingsScience & Technology ; Technology
DOI10.1016/j.seppur.2010.10.007
Indexed BySCI
Language英语
WOS KeywordAQUEOUS BIPHASIC SYSTEMS ; SOLVENT-EXTRACTION ; 2-PHASE SYSTEMS ; TITANIFEROUS MAGNETITES ; LEACH LIQUORS ; SULFATE-SOLUTIONS ; METAL-IONS ; TITANIUM ; RECOVERY ; BEHAVIOR
WOS Research AreaEngineering
WOS SubjectEngineering, Chemical
WOS IDWOS:000286089800014
Citation statistics
Cited Times:17[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Version出版稿
Identifierhttp://ir.ipe.ac.cn/handle/122111/5410
Collection湿法冶金清洁生产技术国家工程实验室
Corresponding AuthorLiu, HZ
Affiliation1.Chinese Acad Sci, Key Lab Green Proc & Engn, Inst Proc Engn, Beijing 100190, Peoples R China
2.Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Grad Univ, Beijing 100039, Peoples R China
Recommended Citation
GB/T 7714
Xie, Keng,Zhao, Junmei,Yang, Liangrong,et al. Investigation of three-liquid-phase extraction systems for the separation of Ti(IV), Fe(III) and Mg(II)[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2010,76(2):191-197.
APA Xie, Keng,Zhao, Junmei,Yang, Liangrong,Yu, Pinhua,Liu, Huizhou,&Liu, HZ.(2010).Investigation of three-liquid-phase extraction systems for the separation of Ti(IV), Fe(III) and Mg(II).SEPARATION AND PURIFICATION TECHNOLOGY,76(2),191-197.
MLA Xie, Keng,et al."Investigation of three-liquid-phase extraction systems for the separation of Ti(IV), Fe(III) and Mg(II)".SEPARATION AND PURIFICATION TECHNOLOGY 76.2(2010):191-197.
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