Abstract
ABSTRACTRare earths (REs) recovery and processing becomes most important all over the globe due to their versatile applications in modern life. The present general article discusses REs extraction and possible separation and recovery methods from phosphoric acid media. Leaching studies are discussed followed by two extraction techniques: solvent extraction and solid–liquid extraction. Various extractants such as TOPS 99 (or) D2EHPA, Cyanex 272, PC 88A were tested for REs extraction and separation. Three resins, Tulsion T-PAR, CH-96, and CH-93, as well as impregnated TOPS 99 were utilized for solid–liquid extraction studies.
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