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Mechanism study on the synergistic effect and emulsification formation of phosphine oxide with beta-diketone for lithium extraction from alkaline systems

文献类型：期刊论文

作者Zhang, Jian2,3,4; Liu, Yahui2,3; Liu, Wensen1; Wang, Lina2,3; Chen, Jing5; Zhu, Zhaowu2,3; Qi, Tao2,3
刊名SEPARATION AND PURIFICATION TECHNOLOGY
出版日期2021-12-15
卷号279页码:10
ISSN号1383-5866
关键词Alkaline systems HTTA TOPO Lithium extraction Emulsification
DOI10.1016/j.seppur.2021.119648
英文摘要The synergisms of beta-diketone and phosphine oxide are very efficient for lithium selective extraction from alkaline systems, and have been obtained wide applications, especially for lithium recovery from salt lake brines. However, the systems are ready to form emulsification which seriously impacted their practical applications. In this study, the synergistic mechanism of beta-diketone and phosphine oxide was intensively studied using a typical beta-diketone of HTTA (2-Thenoyltrifluoroacetone) and TOPO (Trioctylphosphine oxide) through extraction parameter relationships, FT-IR measurements, structure computational simulations. It is found that one molar water readily presented in the extracted species forming Li center dot(H2O)center dot TTA center dot TOPO, while two molar water presented when HTTA alone was used which more readily forms emulsification or even solid. When TOPO was attended, one molar of water was replaced by it as there is an unconfirmed "boundary" formed between them which will significantly mitigate the emulsification formation.
WOS关键词SOLVENT-EXTRACTION ; IONS
资助项目National Natural Science Foundation of China[51774260] ; National Natural Science Foundation of China[51804289] ; National Natural Science Foundation of China[21908231] ; National Natural Science Foundation of China[22078343] ; Beijing Municipal Natural Science Foundation[2202053] ; Key Program of Innovation Academy for Green Manufacture, and Chinese Academy of Sciences[IAGM-2019-A15] ; Key Research Program of Fron-tier Sciences of Chinese Academy of Sciences[QYZDJ-SSW-JSC021] ; National Key R&D Program of China[2018YFC1900500] ; Key Research Program of Frontier Sciences of Chinese Academy of Sciences[QYZDJ-SSW-JSC021] ; CAS Interdisciplinary Innovation Team
WOS研究方向Engineering
语种英语
出版者ELSEVIER
WOS记录号WOS:000707334600005
资助机构National Natural Science Foundation of China ; Beijing Municipal Natural Science Foundation ; Key Program of Innovation Academy for Green Manufacture, and Chinese Academy of Sciences ; Key Research Program of Fron-tier Sciences of Chinese Academy of Sciences ; National Key R&D Program of China ; Key Research Program of Frontier Sciences of Chinese Academy of Sciences ; CAS Interdisciplinary Innovation Team
源URL[http://ir.ipe.ac.cn/handle/122111/50626]  
专题中国科学院过程工程研究所
通讯作者Zhu, Zhaowu; Qi, Tao
作者单位1.China Univ Min & Technol Beijing, Sch Chem & Environm Engn, Beijing 100083, Peoples R China
2.Natl Engn Lab Hydrometallurg Cleaner Prod Technol, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Proc Engn, Key Lab Green Proc & Engn, Beijing 100190, Peoples R China
4.Univ Chinese Acad Sci, Sch Chem & Chem Engn, Beijing 101408, Peoples R China
5.Tsinghua Univ, Inst Nucl & New Energy Technol, Beijing 100084, Peoples R China
推荐引用方式
GB/T 7714		 Zhang, Jian,Liu, Yahui,Liu, Wensen,et al. Mechanism study on the synergistic effect and emulsification formation of phosphine oxide with beta-diketone for lithium extraction from alkaline systems[J]. SEPARATION AND PURIFICATION TECHNOLOGY,2021,279:10.
APA Zhang, Jian.,Liu, Yahui.,Liu, Wensen.,Wang, Lina.,Chen, Jing.,...&Qi, Tao.(2021).Mechanism study on the synergistic effect and emulsification formation of phosphine oxide with beta-diketone for lithium extraction from alkaline systems.SEPARATION AND PURIFICATION TECHNOLOGY,279,10.
MLA Zhang, Jian,et al."Mechanism study on the synergistic effect and emulsification formation of phosphine oxide with beta-diketone for lithium extraction from alkaline systems".SEPARATION AND PURIFICATION TECHNOLOGY 279(2021):10.

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来源：过程工程研究所

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