Production of rare earth element oxide powders by solution combustion: a new approach for recycling of NdFeB magnets
Elif Emil-Kaya, Sreċko Stopić, Sebahattin Gürmen, Bernd Friedrich
Abstract
A promising flowsheet is proposed for REEs recovery from NdFeB magnets, as follows: (1) acid baking, (2) employment of ultrasound-assisted water leaching, (3) the production of rare earth oxides (RE oxides) by a solution combustion method, and (4) a calcination process.
Topics & Concepts
Neodymium magnetMagnetRare earthCombustionRare-earth elementOxideMaterials scienceChemical engineeringMetallurgyChemistryMechanical engineeringOrganic chemistryEngineeringExtraction and Separation ProcessesAdvancements in Battery MaterialsMetal Extraction and Bioleaching