Adsorption of Rare Earth Ce3+ and Pr3+ Ions by Hydrophobic Ionic Liquid
This study reports the use of hydrophobic ionic liquid (IL) based on D-galactose for the recovery of Ce (III) and Pr (III) ions from solutions. The equilibrium data were obtained by optimization of batch parameters, and various isotherms and kinetic models were utilised to predict the mechanistic pr...
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| Veröffentlicht in: | Journal of environmental and public health 2021-05, Vol.2021, p.1-8 |
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| creator | Devanathan, R. Balaji, G. L. Lakshmipathy, R. |
| description | This study reports the use of hydrophobic ionic liquid (IL) based on D-galactose for the recovery of Ce (III) and Pr (III) ions from solutions. The equilibrium data were obtained by optimization of batch parameters, and various isotherms and kinetic models were utilised to predict the mechanistic process of sequestration of ions. The Arrhenius activation energies are found to be between 5–40 kJ, suggesting the physisorption process of ions onto IL. The present process is understood to be rapid and exothermic in nature according to thermodynamic experiments. The loading capacity was found to be 179.3 g L−1 and 141.5 g L−1, respectively, for Ce (III) and Pr (III) ions at pH 5 with a contact time of 30 min and dose being 0.1 g L−1. The higher uptake capacity is attributed to the presence of a highly electronegative fluorine atom in the IL. These results highlight the potential application of IL in the sequestration of Ce (III) and Pr (III) ions from any water sources. |
| doi_str_mv | 10.1155/2021/6612500 |
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L. ; Lakshmipathy, R.</creator><contributor>Xiang, Ping ; Ping Xiang</contributor><creatorcontrib>Devanathan, R. ; Balaji, G. L. ; Lakshmipathy, R. ; Xiang, Ping ; Ping Xiang</creatorcontrib><description>This study reports the use of hydrophobic ionic liquid (IL) based on D-galactose for the recovery of Ce (III) and Pr (III) ions from solutions. The equilibrium data were obtained by optimization of batch parameters, and various isotherms and kinetic models were utilised to predict the mechanistic process of sequestration of ions. The Arrhenius activation energies are found to be between 5–40 kJ, suggesting the physisorption process of ions onto IL. The present process is understood to be rapid and exothermic in nature according to thermodynamic experiments. The loading capacity was found to be 179.3 g L−1 and 141.5 g L−1, respectively, for Ce (III) and Pr (III) ions at pH 5 with a contact time of 30 min and dose being 0.1 g L−1. The higher uptake capacity is attributed to the presence of a highly electronegative fluorine atom in the IL. These results highlight the potential application of IL in the sequestration of Ce (III) and Pr (III) ions from any water sources.</description><identifier>ISSN: 1687-9805</identifier><identifier>EISSN: 1687-9813</identifier><identifier>DOI: 10.1155/2021/6612500</identifier><identifier>PMID: 34194513</identifier><language>eng</language><publisher>New York: Hindawi</publisher><subject>Adsorbents ; Adsorption ; Cerium ; D-Galactose ; Efficiency ; Electronegativity ; Fluorine ; Galactose ; Hydrophobicity ; Ionic liquids ; Ions ; Nanomaterials ; Optimization ; Praseodymium</subject><ispartof>Journal of environmental and public health, 2021-05, Vol.2021, p.1-8</ispartof><rights>Copyright © 2021 R. Devanathan et al.</rights><rights>Copyright © 2021 R. Devanathan et al. This is an open access article distributed under the Creative Commons Attribution License (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. Notwithstanding the ProQuest Terms and Conditions, you may use this content in accordance with the terms of the License. https://creativecommons.org/licenses/by/4.0</rights><rights>Copyright © 2021 R. 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The higher uptake capacity is attributed to the presence of a highly electronegative fluorine atom in the IL. 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L.</au><au>Lakshmipathy, R.</au><au>Xiang, Ping</au><au>Ping Xiang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Adsorption of Rare Earth Ce3+ and Pr3+ Ions by Hydrophobic Ionic Liquid</atitle><jtitle>Journal of environmental and public health</jtitle><date>2021-05-29</date><risdate>2021</risdate><volume>2021</volume><spage>1</spage><epage>8</epage><pages>1-8</pages><issn>1687-9805</issn><eissn>1687-9813</eissn><abstract>This study reports the use of hydrophobic ionic liquid (IL) based on D-galactose for the recovery of Ce (III) and Pr (III) ions from solutions. The equilibrium data were obtained by optimization of batch parameters, and various isotherms and kinetic models were utilised to predict the mechanistic process of sequestration of ions. The Arrhenius activation energies are found to be between 5–40 kJ, suggesting the physisorption process of ions onto IL. The present process is understood to be rapid and exothermic in nature according to thermodynamic experiments. The loading capacity was found to be 179.3 g L−1 and 141.5 g L−1, respectively, for Ce (III) and Pr (III) ions at pH 5 with a contact time of 30 min and dose being 0.1 g L−1. The higher uptake capacity is attributed to the presence of a highly electronegative fluorine atom in the IL. These results highlight the potential application of IL in the sequestration of Ce (III) and Pr (III) ions from any water sources.</abstract><cop>New York</cop><pub>Hindawi</pub><pmid>34194513</pmid><doi>10.1155/2021/6612500</doi><tpages>8</tpages><orcidid>https://orcid.org/0000-0003-0407-5934</orcidid><orcidid>https://orcid.org/0000-0003-2737-7046</orcidid><orcidid>https://orcid.org/0000-0002-5414-2528</orcidid><oa>free_for_read</oa></addata></record> |
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| source | Wiley Online Library Open Access; Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals; PubMed Central; Alma/SFX Local Collection; PubMed Central Open Access |
| subjects | Adsorbents Adsorption Cerium D-Galactose Efficiency Electronegativity Fluorine Galactose Hydrophobicity Ionic liquids Ions Nanomaterials Optimization Praseodymium |
| title | Adsorption of Rare Earth Ce3+ and Pr3+ Ions by Hydrophobic Ionic Liquid |
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