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NdFeB廃棄物の持続可能なリサイクルに関するレビュー:方法論,課題,および機械学習 (ML) の統合
Rehan Ullah1, Jason Daza1, Asma Wederni1
1Department of Physics, Universitat de Girona, P2, EPS, Campus Montilivi s/n, 17003 Girona, Spain.
Materials (Basel, Switzerland)
|February 13, 2026
まとめ
ネオジミウム・鉄・ボロン永久磁石 (NdFeB-PMs) のリサイクルは,希土元素 (REE) の供給にとって極めて重要です. 機械学習は,経済と環境の持続可能性のためにリサイクルプロセスを最適化します.
科学分野:
- 材料科学 材料科学とは
- 環境科学 環境科学
- コンピュータサイエンス コンピュータサイエンス
背景:
- 電子,エネルギー,自動車部門におけるNdFeB-PMの需要の増加は,廃棄に関する大きな課題を生み出しています.
- NdFeB-PMは希土元素 (REEs) が豊富で,サプライチェーンの混乱と貿易政策が世界の利用可能性に影響を与えています.
- REEの輸出における中国の支配的な役割は,代替的で持続可能な調達戦略を必要とします.
研究 の 目的:
- NdFeB-PMの現在のリサイクル技術を体系的に検討し,その産業,経済,環境への影響を重視する.
- REE回収における機械学習 (ML) の統合,特に浸出プロセスにおける統合を調査する.
- 課題を特定し,大規模で持続可能なNdFeBリサイクルのための解決策を提案する.
主な方法:
- 既存のリサイクル方法論の包括的な見直し:ショートループ,水力メタルジック,ピロメタルジック,およびハイブリッドプロセス.
- リーチ効率と選択的なREE回収の最適化における機械学習アプリケーションの分析.
- 産業能力,経済的実用性,環境への影響の評価のための異なるアプローチの比較研究.
主要な成果:
- 現在のリサイクル方法は,分散した廃棄物流と規制のギャップにより,大規模な実施で課題に直面しています.
- MLの統合は,リーチ効率とREEsの選択的回収を向上させ,経済的可行性を向上させる可能性を示しています.
- 自動分解などの技術革新と立法措置 (例えば,EPR) は,実装の障害を克服するために不可欠です.
結論:
- 持続可能なNdFeBリサイクルには,技術革新,環境配慮,支援政策を組み合わせた多面的なアプローチが必要です.
- MLベースのリサイクル手順は,REEの回収と資源の利用可能性のために最適化され,環境に優しいソリューションを提供します.
- 有効で環境に配慮したNdFeB廃棄物のリサイクルシステムを確立するには,集団的な努力が不可欠です.
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