{"title":"The Use of Mixtures of Extractants for the Recovery and Separation of Rare Earth Elements","authors":"V. V. Belova, A. I. Khol’kin","doi":"10.1134/S0040579524700714","DOIUrl":null,"url":null,"abstract":"<div><p>A review was made of the literature data published in Russia and abroad over the past ten years on the extraction of rare earth elements (REEs) with binary mixtures of extractants of various classes. It was noted that high values of REE separation coefficients are in the most cases achieved by increasing the selectivity of the extractant mixtures used due to the formation of complexes of mixed composition in the organic phase. In addition, in some systems with mixtures of extractants, the processes of stripping metals from the organic phase are facilitated.</p></div>","PeriodicalId":798,"journal":{"name":"Theoretical Foundations of Chemical Engineering","volume":"58 2","pages":"432 - 437"},"PeriodicalIF":0.7000,"publicationDate":"2024-12-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Theoretical Foundations of Chemical Engineering","FirstCategoryId":"5","ListUrlMain":"https://link.springer.com/article/10.1134/S0040579524700714","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, CHEMICAL","Score":null,"Total":0}
引用次数: 0
Abstract
A review was made of the literature data published in Russia and abroad over the past ten years on the extraction of rare earth elements (REEs) with binary mixtures of extractants of various classes. It was noted that high values of REE separation coefficients are in the most cases achieved by increasing the selectivity of the extractant mixtures used due to the formation of complexes of mixed composition in the organic phase. In addition, in some systems with mixtures of extractants, the processes of stripping metals from the organic phase are facilitated.
期刊介绍：
Theoretical Foundations of Chemical Engineering is a comprehensive journal covering all aspects of theoretical and applied research in chemical engineering, including transport phenomena; surface phenomena; processes of mixture separation; theory and methods of chemical reactor design; combined processes and multifunctional reactors; hydromechanic, thermal, diffusion, and chemical processes and apparatus, membrane processes and reactors; biotechnology; dispersed systems; nanotechnologies; process intensification; information modeling and analysis; energy- and resource-saving processes; environmentally clean processes and technologies.
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