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Insights into the extraction of various vanadium species by primary amine
Wen, Jiawei1,2,3; Liu, Feng2; Cao, Hongbin1,2,3; Ning, Pengge2; Zhang, Yi1,2,3

For the purpose of the recovery of the high-purity vanadium product in leaching solution, solvent extraction has been considered as a promising approach. However, the vanadium species varied in different concentrations and pH values in aqueous solution, thus affecting the extraction yield or the reaction product in the process. In this paper, the main species of vanadium in solutions were determined with the equilibrium constants. The extraction reactions were determined based on determined species, then the hydrogen bond association mechanism of the reaction as well as the possible structures of the vanadium complexes were proposed and discussed in detail. This study established a systematic methodology for understanding the transition metal speciation in aqueous solutions as well as the extraction reactions, and envisaged the insights into the mechanism of the transition metal solvent extraction by primary amines.

KeywordVanadium Extraction Vanadium Species Hydrogen Bond Association Mechanism
WOS HeadingsScience & Technology ; Technology
Indexed BySCI
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
Funding OrganizationNational Natural Science Foundation of China(51425405) ; Youth Innovation Promotion Association, CAS(2016042) ; National Key Technology R D Program(2015BAB02B05)
WOS IDWOS:000413056600008
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Document Type期刊论文
Affiliation1.Tianjin Univ, Sch Chem Engn & Technol, Tianjin 300072, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, Div Environm Technol & Engn, Beijing Engn Res Ctr Proc Pollut Control, Beijing 100190, Peoples R China
3.Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300072, Peoples R China
Recommended Citation
GB/T 7714
Wen, Jiawei,Liu, Feng,Cao, Hongbin,et al. Insights into the extraction of various vanadium species by primary amine[J]. HYDROMETALLURGY,2017,173(NOV):57-62.
APA Wen, Jiawei,Liu, Feng,Cao, Hongbin,Ning, Pengge,&Zhang, Yi.(2017).Insights into the extraction of various vanadium species by primary amine.HYDROMETALLURGY,173(NOV),57-62.
MLA Wen, Jiawei,et al."Insights into the extraction of various vanadium species by primary amine".HYDROMETALLURGY 173.NOV(2017):57-62.
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