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AuthorWahib, Sara A.
AuthorDa’na, Dana A.
AuthorZaouri, Nabil
AuthorHijji, Yousef M.
AuthorAl-Ghouti, Mohammad A.
Available date2022-03-13T05:54:31Z
Publication Date2022-01-05
Publication NameJournal of Hazardous Materials
Identifierhttp://dx.doi.org/10.1016/j.jhazmat.2021.126657
CitationWahib, S. A., Da’na, D. A., Zaouri, N., Hijji, Y. M., & Al-Ghouti, M. A. (2022). Adsorption and recovery of lithium ions from groundwater using date pits impregnated with cellulose nanocrystals and ionic liquid. Journal of hazardous materials, 421, 126657.
ISSN03043894
URIhttps://www.sciencedirect.com/science/article/pii/S0304389421016228
URIhttp://hdl.handle.net/10576/27990
AbstractThe study aims to prepare a novel low-cost and environmentally friendly adsorbent by using date pits (DP) impregnated with cellulose nanocrystals (CNCs) and ionic liquid (IL), named IL-CNC@DP. The batch adsorption of lithium onto IL-CNC@DP and DP were studied at different pH values, initial lithium concentrations, and temperatures. The thermodynamics constants of the adsorption process showed that the IL-CNC@DP was exothermic, did not favor a high level of disorder, and spontaneous in nature. At pH 6, there is a significant increase in the removal efficiency where it increased to 90%. This also could be explained by the fact that electrostatic attraction forces and hydrogen bonding existed between the protonated Li+ and the less protonated IL-CNC@DP adsorbent surface, which enhanced the percentage of Li+ removal. A strong inter- and intra-hydrogen bonding (O-H) stretching absorption is seen at 3311 cm−1 that occurs in cellulose components. In conclusion, the IL-CNC@DP in comparison to the DP confirmed exceptional results proving that the modification enhanced the remediation of the Li+ from water. Furthermore, the selectivity of IL-CNC@DP towards real groundwater samples isolated in Qatar depends upon the physicochemical characteristics of each element.
SponsorThis publication was made possible by NPRP grant # [12S-0307-190250] from the Qatar National Research Fund (a member of Qatar Foundation). The findings achieved herein are solely the responsibility of the author[s].
Languageen
PublisherElsevier
SubjectAgricultural wastes
Cellulose extraction
Cellulose nanocrystals
Ionic liquid
Bio-based nanoscale products
TitleAdsorption and recovery of lithium ions from groundwater using date pits impregnated with cellulose nanocrystals and ionic liquid
TypeArticle
Volume Number421
Open Access user License http://creativecommons.org/licenses/by/4.0/
dc.accessType Open Access


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