|About this Abstract
||Part C-3: Processing of Critical Metals
||Recovery of REEs from End-of-Life Permanent Magnet Scrap Generated in WEEE Recycling Plants
||Sebastiaan Peelman, Prakash Venkatesan, Shoshan Abrahami, Yongxiang Yang
|On-Site Speaker (Planned)
Nd-Fe-B permanent magnets are the best available magnets used in many technology applications. However, at their end-of-life (EoL) most of the magnets and the contained REEs are lost during the recycling of the bulk metals. The REEs are classified as most critical raw materials in the Europe Union, and recycling of the REEs from EoL products will reduce their criticality and contribute to the REE sustainability. Various technological routes have been reported, but most of the methods are effective for highly concentrated magnets or magnet scrap, which is greatly dependent on expensive pre-dismantling processes. This paper presents various innovative metallurgical solutions to the effective REE recovery from current industrial practice for WEEE recycling, including the ferrous scrap from WEEE shredder products and shredder residues from computer hard disk drives. Both hydrometallurgical and combined hydro- and pyrometallurgical flow-sheets are developed after demagnetization and physical upgrading.
||Planned: At-meeting proceedings