Application of phosphonium ionic liquids to separate Ga, Ge and In utilizing solvent extraction: A review

Due to the sudden rise in demand, a shortfall in the supply of critical metals or high technology metals, especially gallium (Ga), germanium (Ge) and indium (In) is experienced throughout the globe. The different primary and secondary resources are being utilized to recover and recycle these metals...

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Main Authors: Soniya Dhiman, Shubhangee Agarwal, Himanshu Gupta
Format: Article
Language:English
Published: Elsevier 2024-06-01
Series:Journal of Ionic Liquids
Subjects:
Online Access:http://www.sciencedirect.com/science/article/pii/S277242202400003X
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author Soniya Dhiman
Shubhangee Agarwal
Himanshu Gupta
author_facet Soniya Dhiman
Shubhangee Agarwal
Himanshu Gupta
author_sort Soniya Dhiman
collection DOAJ
description Due to the sudden rise in demand, a shortfall in the supply of critical metals or high technology metals, especially gallium (Ga), germanium (Ge) and indium (In) is experienced throughout the globe. The different primary and secondary resources are being utilized to recover and recycle these metals through the widely accepted technique, solvent extraction (SX). The extraction of metals may be potentially achieved by compounds of negligible volatility, phosphonium ionic liquids (Phos ILs). Ionic liquids (ILs) are potential and useful compounds to separate and recover Ga, Ge and In from synthetic solutions and waste materials due to their tunable nature to achieve higher selectivity, superior physicochemical properties and diverse structural properties. Ion exchange mechanism was mainly found applicable for the extractive separation of such metals through Phos ILs. Based on the efficiency, extraction mechanism and diverse operating conditions of Phos ILs, the present review provides a comprehensive description of separation as well as recovery of Ga, Ge and In from the synthetic solutions as well as waste materials.
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spelling doaj.art-cae93e28faa94d7c80476f00c4eb32432024-02-22T04:53:48ZengElsevierJournal of Ionic Liquids2772-42202024-06-0141100080Application of phosphonium ionic liquids to separate Ga, Ge and In utilizing solvent extraction: A reviewSoniya Dhiman0Shubhangee Agarwal1Himanshu Gupta2Department of Biochemical Engineering and Biotechnology, Indian Institute of Technology Delhi, New Delhi, India; Corresponding author.Department of Chemistry, School of Sciences, IFTM University, Lodhipur Rajput, Moradabad 244102, Uttar Pradesh, IndiaDepartment of Chemistry, School of Sciences, IFTM University, Lodhipur Rajput, Moradabad 244102, Uttar Pradesh, IndiaDue to the sudden rise in demand, a shortfall in the supply of critical metals or high technology metals, especially gallium (Ga), germanium (Ge) and indium (In) is experienced throughout the globe. The different primary and secondary resources are being utilized to recover and recycle these metals through the widely accepted technique, solvent extraction (SX). The extraction of metals may be potentially achieved by compounds of negligible volatility, phosphonium ionic liquids (Phos ILs). Ionic liquids (ILs) are potential and useful compounds to separate and recover Ga, Ge and In from synthetic solutions and waste materials due to their tunable nature to achieve higher selectivity, superior physicochemical properties and diverse structural properties. Ion exchange mechanism was mainly found applicable for the extractive separation of such metals through Phos ILs. Based on the efficiency, extraction mechanism and diverse operating conditions of Phos ILs, the present review provides a comprehensive description of separation as well as recovery of Ga, Ge and In from the synthetic solutions as well as waste materials.http://www.sciencedirect.com/science/article/pii/S277242202400003XPhosphonium ionic liquidsSolvent extractionRecoveryGalliumGermaniumIndium
spellingShingle Soniya Dhiman
Shubhangee Agarwal
Himanshu Gupta
Application of phosphonium ionic liquids to separate Ga, Ge and In utilizing solvent extraction: A review
Journal of Ionic Liquids
Phosphonium ionic liquids
Solvent extraction
Recovery
Gallium
Germanium
Indium
title Application of phosphonium ionic liquids to separate Ga, Ge and In utilizing solvent extraction: A review
title_full Application of phosphonium ionic liquids to separate Ga, Ge and In utilizing solvent extraction: A review
title_fullStr Application of phosphonium ionic liquids to separate Ga, Ge and In utilizing solvent extraction: A review
title_full_unstemmed Application of phosphonium ionic liquids to separate Ga, Ge and In utilizing solvent extraction: A review
title_short Application of phosphonium ionic liquids to separate Ga, Ge and In utilizing solvent extraction: A review
title_sort application of phosphonium ionic liquids to separate ga ge and in utilizing solvent extraction a review
topic Phosphonium ionic liquids
Solvent extraction
Recovery
Gallium
Germanium
Indium
url http://www.sciencedirect.com/science/article/pii/S277242202400003X
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