An overview of NdFeB magnets recycling technologies

M Kaya - Current Opinion in Green and Sustainable Chemistry, 2024 - Elsevier
Rare Earth (RE) permanent magnets are essential components for successful green and
digital transition. This paper extensively reviews the properties, recycling potential, and …

Selective sulfidation of metal compounds

C Stinn, A Allanore - Nature, 2022 - nature.com
There is urgent, unprecedented demand for critical by-product and co-product metallic
elements for the infrastructure (magnets, batteries, catalysts and electronics) needed to …

HDDR as advanced processing method and recycling technology to address the rare-earth resource criticality in high performance Nd2Fe14B magnets production

I Poenaru, EA Patroi, D Patroi, A Iorga… - Journal of Magnetism and …, 2023 - Elsevier
Since both established applications and emerging green energy and mobility technologies
integrate Nd 2 Fe 14 B-based magnet components, great research efforts have been …

[HTML][HTML] Understanding the barriers to recycling critical raw materials for the energy transition: The case of rare earth permanent magnets

V Rizos, E Righetti, A Kassab - Energy Reports, 2024 - Elsevier
Rising geopolitical tensions and the effects of the Covid-19 pandemic have intensified
concerns about securing access to the critical raw materials (CRMs) that are needed for the …

[HTML][HTML] On the pre-treatment for recycling spent NdFeB permanent magnets: from disassembling, characterisation to de-coating

CP Couto, JJMM van de Ven, Y Yang… - Sustainable Materials …, 2024 - Elsevier
An evaluation of neodymium‑iron‑boron permanent magnets (NdFeB PMs) from different
end-of-life products, as a secondary resource of rare-earth elements (REEs), is presented …

Separation and coextraction of REEs and Fe from NdFeB sludge by co-leaching and stepwise precipitation

Z Liu, H Zhou, W Li, X Luo, J Wang, F Liu - Separation and Purification …, 2022 - Elsevier
NdFeB sludge is a waste with high economic value. NdFeB waste recycling has the
disadvantage that only rare earths are recycled, but iron (Fe) is not recycled, which results in …

[PDF][PDF] Developing a supply chain for recycled rare earth permanent magnets in the EU

V Rizos, E Righetti, A Kassab - Centre for European Policies Study …, 2022 - cdn.ceps.eu
Rare earth elements are strategically important for the EU to sustain and accelerate its green
and digital transition, particularly due to their use in permanent magnets. Rare earths …

[HTML][HTML] Ex-ante LCA of magnet recycling: Progressing towards sustainable industrial-scale technology

SS van Nielen, BM Xicotencatl, A Tukker… - Journal of Cleaner …, 2024 - Elsevier
To alleviate the pressure on the rare earth supply chain, new technologies are under
development for recovering, recycling and remanufacturing NdFeB magnets. In this study …

An Approach for the Disassembly of Permanent Magnet Synchronous Rotors to Recover Rare Earth Materials

M Heim, F Wirth, L Boschert, J Fleischer - Procedia CIRP, 2023 - Elsevier
The extensive electrification of the mobility sector is a crucial part for global decarbonization.
To enable a successful transition, the availability of resources must be ensured. In particular …

[HTML][HTML] The removal of epoxy resins from NdFeB magnets for recycling–A review

AM Dickinson-Lomas, MJ Keith, DN Brown… - Resources …, 2025 - Elsevier
The growing importance of recycling rare earth permanent magnets is addressed in this
paper, with a specific focus on the decarbonisation of transport. This has resulted from the …