Recycling of rare earths from NdFeB magnets using a combined leaching/extraction system based on the acidity and thermomorphism of the ionic liquid [Hbet][Tf2N]

Author:

Dupont David1234,Binnemans Koen1234

Affiliation:

1. KU Leuven

2. Department of Chemistry

3. 3001 Leuven

4. Belgium

Abstract

A new recycling process was developed to recover rare earths from roasted NdFeB magnets using the thermomorphic and acidic properties of the ionic liquid [Hbet][Tf2N] to achieve a combined leaching/extraction system.

Funder

KU Leuven

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Environmental Chemistry

Reference65 articles.

1. D. Schüler , M.Buchert, R.Liu, G. S.Dittrich and C.Merz, Study on rare earths and their recycling, Öko-Institut, Darmstadt, 2011

2. Evaluating Rare Earth Element Availability: A Case with Revolutionary Demand from Clean Technologies

3. Recycling of rare earths: a critical review

4. M. Humphries , Rare Earth Elements: The Global Supply Chain, Congressional Research Service, USA, 2013

5. Rare earth elements as critical raw materials: Focus on international markets and future strategies

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