Study of Lithium-Extraction Systems Based on Benzo-15-Crown-5 Ether and Alkylimidazolium-Based Ionic Liquid

被引：10
作者：
Bezdomnikov, Alexey A. A. [1 ]
Demina, Liudmila I. I. [1 ]
Kuz'mina, Lyudmila G. G. [2 ]
Kostikova, Galina V. V. [1 ]
Zhilov, Valeriy I. I. [1 ]
Tsivadze, Aslan Yu. [1 ]
机构：
[1] Russian Acad Sci, Frumkin Inst Phys Chem & Electrochem, Leninsky Pr 31-4, Moscow 119071, Russia
[2] Russian Acad Sci, Kurnakov Inst Gen & Inorgan Chem, Leninsky Pr 31, Moscow 119991, Russia
来源：
MOLECULES | 2023年 / 28卷 / 03期
关键词：
lithium extraction; lithium isotopes; benzo-15-crown-5; ether; complex synthesis; FTIR spectroscopy; X-RAY-DIFFRACTION; CONDUCTION PATHS; CROWN-ETHER; SEPARATION; COMPLEXES; ISOTOPES; STABILITY; BEHAVIOR;
D O I：
10.3390/molecules28030935
中图分类号：
Q5 [生物化学]; Q7 [分子生物学];
学科分类号：
071010 ; 081704 ;
摘要：
The extraction of lithium from aqueous solutions of LiNTf2 and LiCl salts using benzo-15-crown-5 ether (B15C5) as an extractant in [C8mim][NTf2] ionic liquid was studied. The transition of the extractant into the aqueous phase and the distribution of Cl- ions during lithium extraction from LiCl solutions were determined. LiNTf2 complexes with B15C5 with different LiNTf2:B15C5 ratios were isolated for the first time and characterized via X-ray diffraction and IR spectroscopy. Differences in the extraction process of LiCl and LiNTf2 were determined via an infrared spectroscopic study of the extraction systems.
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页数：18
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