Selective Solid-liquid Extraction and Liquid-liquid Extraction of Lithium Chloride using Strapped Calix[4]pyrroles
Abstract
LiCl is a classic hard ion salt that is present in lithium-rich brines and a key component in end-of-life materials (that is, used lithium-ion batteries). Its isolation and purification from like salts is a recognized challenge with potential strategic and economic implications. Herein, we describe two ditopic calix[4]pyrrole-based ion-pair receptors (2 and 3), that are capable of selectively capturing LiCl. Under solid-liquid extraction conditions, using 2 as the extractant, LiCl could be separated from a NaCl/KCl salt mixture containing as little as 1% LiCl with circa 100% selectivity, while receptor 3 achieved similar separations when the LiCl level was as low as 200 ppm. Under liquid-liquid extraction conditions using nitrobenzene as the non-aqueous phase, the extraction preference displayed by 2 is KCl>NaCl>LiCl. In contrast, 3 exhibits high selectivity towards LiCl over NaCl and KCl, with no appreciable extraction being observed for the latter two salts.
- Authors:
-
- Univ. of Texas, Austin, TX (United States)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Chemical Sciences Division
- Gyeongsang National University (GNU), Jinju (Korea). Chemistry and Research Institute of Natural Science
- Univ. of Texas, Austin, TX (United States). Department of Chemistry
- Publication Date:
- Research Org.:
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States); Univ. of Texas, Austin, TX (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), Basic Energy Sciences (BES). Chemical Sciences, Geosciences, and Biosciences Division
- OSTI Identifier:
- 1439936
- Alternate Identifier(s):
- OSTI ID: 1455075; OSTI ID: 1598669
- Grant/Contract Number:
- AC05-00OR22725; FG02-01ER15186
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Angewandte Chemie (International Edition)
- Additional Journal Information:
- Journal Name: Angewandte Chemie (International Edition); Journal Volume: 57; Journal Issue: 37; Journal ID: ISSN 1433-7851
- Publisher:
- Wiley
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY; 36 MATERIALS SCIENCE; ion-pair receptor; solid-liquid extraction; lithium choride; calix[4]pyrrole; liquid-liquid extraction
Citation Formats
He, Qing, Williams, Neil J., Oh, Ju, Lynch, Vincent M., Kim, Sung Kuk, Moyer, Bruce A., and Sessler, Jonathan L. Selective Solid-liquid Extraction and Liquid-liquid Extraction of Lithium Chloride using Strapped Calix[4]pyrroles. United States: N. p., 2018.
Web. doi:10.1002/anie.201805127.
He, Qing, Williams, Neil J., Oh, Ju, Lynch, Vincent M., Kim, Sung Kuk, Moyer, Bruce A., & Sessler, Jonathan L. Selective Solid-liquid Extraction and Liquid-liquid Extraction of Lithium Chloride using Strapped Calix[4]pyrroles. United States. https://doi.org/10.1002/anie.201805127
He, Qing, Williams, Neil J., Oh, Ju, Lynch, Vincent M., Kim, Sung Kuk, Moyer, Bruce A., and Sessler, Jonathan L. Fri .
"Selective Solid-liquid Extraction and Liquid-liquid Extraction of Lithium Chloride using Strapped Calix[4]pyrroles". United States. https://doi.org/10.1002/anie.201805127. https://www.osti.gov/servlets/purl/1439936.
@article{osti_1439936,
title = {Selective Solid-liquid Extraction and Liquid-liquid Extraction of Lithium Chloride using Strapped Calix[4]pyrroles},
author = {He, Qing and Williams, Neil J. and Oh, Ju and Lynch, Vincent M. and Kim, Sung Kuk and Moyer, Bruce A. and Sessler, Jonathan L.},
abstractNote = {LiCl is a classic hard ion salt that is present in lithium-rich brines and a key component in end-of-life materials (that is, used lithium-ion batteries). Its isolation and purification from like salts is a recognized challenge with potential strategic and economic implications. Herein, we describe two ditopic calix[4]pyrrole-based ion-pair receptors (2 and 3), that are capable of selectively capturing LiCl. Under solid-liquid extraction conditions, using 2 as the extractant, LiCl could be separated from a NaCl/KCl salt mixture containing as little as 1% LiCl with circa 100% selectivity, while receptor 3 achieved similar separations when the LiCl level was as low as 200 ppm. Under liquid-liquid extraction conditions using nitrobenzene as the non-aqueous phase, the extraction preference displayed by 2 is KCl>NaCl>LiCl. In contrast, 3 exhibits high selectivity towards LiCl over NaCl and KCl, with no appreciable extraction being observed for the latter two salts.},
doi = {10.1002/anie.201805127},
journal = {Angewandte Chemie (International Edition)},
number = 37,
volume = 57,
place = {United States},
year = {2018},
month = {5}
}
Web of Science
Figures / Tables:

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