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Extraction relationship of Li+ and H+ using tributyl phosphate in the presence of Fe(III)
Su, Hui1,2,3; Li, Zheng4; Zhu, Zhaowu1,2; Wang, Lina1,2; Qi, Tao1,2
2019-04-22
Source PublicationSEPARATION SCIENCE AND TECHNOLOGY
ISSN0149-6395
Pages9
AbstractDuring the extraction of lithium from high Mg-containing salt lake brines by tributyl phosphate (TBP) in the presence of Fe(III), H+ is used to stabilize Fe(III). However, the distribution ratio of H+ (D-H) is 4-6 times higher than that of Li+ (D-Li), which affects the extraction of Li+ significantly. In this study, the competition mechanism between H+ and Li+ was investigated by spectral analysis and thermodynamic equilibrium. The extracted species are determined as HFeCl4 center dot 2TBP and LiFeCl4 center dot 2TBP for H+ and Li+, respectively. The apparent equilibrium constants are K-H = 799.8 and K-Li = 120.6, respectively. Both equilibrium constants and the distribution ratios for H+ and Li+ extraction show that extraction of H+ is stronger than Li+.
KeywordLithium H+ competition mechanism apparent equilibrium constant tributyl phosphate
DOI10.1080/01496395.2019.1604759
Language英语
WOS KeywordSALT LAKE BRINE ; METHYL ISOBUTYL KETONE ; HYDROCHLORIC-ACID ; SOLVENT-EXTRACTION ; IR-SPECTRA ; LITHIUM ; RECOVERY ; RAMAN ; TRIBUTYLPHOSPHATE ; STOICHIOMETRY
Funding ProjectKey Research Program of Frontier Sciences of Chinese Academy of Sciences[QYZDJ-SSW-JSC021] ; CAS Interdisciplinary Innovation Team, National Natural Science Foundation of China[51774260] ; CAS Interdisciplinary Innovation Team, National Natural Science Foundation of China[21506233] ; CAS Interdisciplinary Innovation Team, National Natural Science Foundation of China[21606241] ; CAS Interdisciplinary Innovation Team, National Natural Science Foundation of China[51804289]
WOS Research AreaChemistry ; Engineering
WOS SubjectChemistry, Multidisciplinary ; Engineering, Chemical
Funding OrganizationKey Research Program of Frontier Sciences of Chinese Academy of Sciences ; CAS Interdisciplinary Innovation Team, National Natural Science Foundation of China
WOS IDWOS:000470472300001
PublisherTAYLOR & FRANCIS INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ipe.ac.cn/handle/122111/29912
Collection中国科学院过程工程研究所
Corresponding AuthorZhu, Zhaowu
Affiliation1.Natl Engn Lab Hydromet Cleaner Prod Technol, Beijing, Peoples R China
2.Chinese Acad Sci, Inst ProcessEngn, Key Lab Green Proc & Engn, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing, Peoples R China
4.Katholieke Univ Leuven, Dept Chem, Heverlee, Belgium
Recommended Citation
GB/T 7714
Su, Hui,Li, Zheng,Zhu, Zhaowu,et al. Extraction relationship of Li+ and H+ using tributyl phosphate in the presence of Fe(III)[J]. SEPARATION SCIENCE AND TECHNOLOGY,2019:9.
APA Su, Hui,Li, Zheng,Zhu, Zhaowu,Wang, Lina,&Qi, Tao.(2019).Extraction relationship of Li+ and H+ using tributyl phosphate in the presence of Fe(III).SEPARATION SCIENCE AND TECHNOLOGY,9.
MLA Su, Hui,et al."Extraction relationship of Li+ and H+ using tributyl phosphate in the presence of Fe(III)".SEPARATION SCIENCE AND TECHNOLOGY (2019):9.
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