Page 39 - Technology Compendium

CSIR-IMMT/EXM - 10

Recovery of rare earth elements (REEs) from SmCo and NdFeB permanent magnet scrap

Advantages / Salient Technical Features Application/Uses
• Rare earth permanent magnet (REPM) recycling • RE permanent magnets are essential for
Production of neodymium oxide and samarium oxide cleaner technologies such as electronics,
health care devices, electric vehicles, etc.
Problem being addressed • Particularly, SmCo magnets are essential for
• Catering strategic and economic demand of country aerospace and defence applications.
• Self-reliance in production of indigenous permanent
magnet Scale of Development
• Import substitution • Bench Scale Studies (Current TRL level: 3-4)

Environmental Considerations (if any) Commercialization Status
• Environmental friendly • NA
• Recycling of effluents
Techno-economics
Major Raw Materials to be Utilized • NA
• Permanent magnet scrap, swarf, end-of-life products
• Commercial grade chemicals will be required for the Technology Package
process • Process flowsheet, basic engineering and
costing
IPR Status / Details (India/Abroad)
• NA

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