{"title":"UNIQUAC-ext-PDH* Framework for the Ionic Liquid Assisted Extraction of Gallium (III)","authors":"Aradhana V. Thombre, Debashis Kundu","doi":"10.1007/s10953-024-01365-9","DOIUrl":null,"url":null,"abstract":"<p>Ionic liquid (IL) assisted liquid–liquid-extraction (LLE) has been emerged as fascinating pathway to extract gallium (Ga(III)) from electronic waste. The computational investigation of LLE invokes the UNIQUAC model with extended Pitzer–Debye–Hückel (PDH*) framework to accommodate long range interactions due to the presence of ions. The combination of quantum chemical calculation and global optimization technique have been incorporated to estimate the model parameters. Herein, phosphonium and ammonium-based ILs having 26 tie-lines are used for sole Ga(III) extraction and 14 tie-lines for co-extraction. The sole Ga(III) extraction exhibits deviation between 0.5 and 0.8%, and co-extraction ranges from 0.85 to 1.5% and thus highlights the goodness of estimation.</p>","PeriodicalId":666,"journal":{"name":"Journal of Solution Chemistry","volume":null,"pages":null},"PeriodicalIF":1.4000,"publicationDate":"2024-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Solution Chemistry","FirstCategoryId":"92","ListUrlMain":"https://doi.org/10.1007/s10953-024-01365-9","RegionNum":4,"RegionCategory":"化学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"CHEMISTRY, PHYSICAL","Score":null,"Total":0}
引用次数: 0
Abstract
Ionic liquid (IL) assisted liquid–liquid-extraction (LLE) has been emerged as fascinating pathway to extract gallium (Ga(III)) from electronic waste. The computational investigation of LLE invokes the UNIQUAC model with extended Pitzer–Debye–Hückel (PDH*) framework to accommodate long range interactions due to the presence of ions. The combination of quantum chemical calculation and global optimization technique have been incorporated to estimate the model parameters. Herein, phosphonium and ammonium-based ILs having 26 tie-lines are used for sole Ga(III) extraction and 14 tie-lines for co-extraction. The sole Ga(III) extraction exhibits deviation between 0.5 and 0.8%, and co-extraction ranges from 0.85 to 1.5% and thus highlights the goodness of estimation.
期刊介绍：
Journal of Solution Chemistry offers a forum for research on the physical chemistry of liquid solutions in such fields as physical chemistry, chemical physics, molecular biology, statistical mechanics, biochemistry, and biophysics. The emphasis is on papers in which the solvent plays a dominant rather than incidental role. Featured topics include experimental investigations of the dielectric, spectroscopic, thermodynamic, transport, or relaxation properties of both electrolytes and nonelectrolytes in liquid solutions.
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