作者: Joseph P. Laurino , Jack Mustacato , Zachary J. Huba
DOI: 10.3390/MIN9080477
关键词: Phosphogypsum 、 Nuclear chemistry 、 Praseodymium 、 Rare-earth element 、 Scandium 、 Phosphate 、 Chemistry 、 Tailings 、 Phosphorite 、 Extraction (chemistry)
摘要: To meet the growing global demand for rare earth elements (REEs), nontraditional mining sources of these metals are being investigated. Phosphate ore and phosphate wastes have been identified as possible alternative to REEs. In this study, REEs were extracted from Florida materials using mineral organic acids. The then recovered at high efficiencies a chelating polymer, 1-octadecene, polymer with 2,5-furandione, sodium salt. At pH 1.5, chelation effectively bound nearly 100% solids. Overall extraction recovery yields between 80% gadolinium 8% praseodymium amine tailings, 70% terbium 7% phosphogypsum, 56% scandium 15% rock, 77% samarium 31% waste clay. These results suggest that efficiently recovers acidic extracts products.