Addressing Criticality in Rare Earth Elements via Permanent Magnets Recycling

Nlebedim, I. C.; King, A. H.

doi:10.1007/s11837-017-2698-7

Title: Addressing Criticality in Rare Earth Elements via Permanent Magnets Recycling

Journal Article · Tue Dec 12 00:00:00 EST 2017 · JOM. Journal of the Minerals, Metals & Materials Society

DOI:https://doi.org/10.1007/s11837-017-2698-7· OSTI ID:1417362

Nlebedim, I. C. ^[1]; King, A. H. ^[1]

Ames Lab., Ames, IA (United States)

Rare earth elements (REEs) are critical for many advanced technologies and are faced with potential supply disruptions. Recycling of permanent magnets (PMs) can be good sources for REEs which can help minimize global dependence on freshly mined REEs, but PMs are rarely recycled. Recycling of PMs has been discussed with respect to improving REEs resource sustainability. Some challenges to be addressed in order to establish industrially deployable technologies for PMs recycling have also been discussed, including profitability, energy efficiency and environmental impacts. Key considerations for promoting circular economy via PMs recycling is proposed with the focus on deciding the target points in the supply chain at which the recycled products will be inserted. Important technical considerations for recycling different forms of waste PMs, including swarfs, slags, shredded and intact hard disk drives magnets, have been presented. Lastly, the aspects of circular economy considered include reusing magnets, remanufacturing magnets and recovering of REEs from waste PMs.

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Research Organization:: Ames Laboratory (AMES), Ames, IA (United States)

Sponsoring Organization:: USDOE

Grant/Contract Number:: AC02-07CH11358; Critical Materials Institute

OSTI ID:: 1417362

Report Number(s):: IS-J-9510; PII: 2698; TRN: US1801043

Journal Information:: JOM. Journal of the Minerals, Metals & Materials Society, Vol. 70, Issue 2; ISSN 1047-4838

Publisher:: SpringerCopyright Statement

Country of Publication:: United States

Language:: English

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Cited by: 24 works

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Recycling of Discarded Tubular Lights for Recovery of Rare Earth Values Tanvar, Himanshu; Shukla, Neha; Dhawan, Nikhil JOM, Vol. 72, Issue 2 https://doi.org/10.1007/s11837-019-03890-1	journal	November 2019
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