A facile method for the simultaneous recovery of rare-earth elements and transition metals from Nd–Fe–B magnets

Xuan Xu; Saso Sturm; Zoran Samardzija; Janez Scancar; Katarina Markovic; Kristina Zuzek Rozman

doi:10.1039/C9GC03325D

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A facile method for the simultaneous recovery of rare-earth elements and transition metals from Nd–Fe–B magnets†

Xuan Xu,

*^ab Saso Sturm,

^ab Zoran Samardzija,^a Janez Scancar,

^bc Katarina Markovic^c and Kristina Zuzek Rozman^ab

Author affiliations

* Corresponding authors

^a Department for Nanostructured Materials, Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia
E-mail: xuan.xu@ijs.si

^b Jožef Stefan International Postgraduate School, Jamova 39, SI-1000 Ljubljana, Slovenia

^c Department of Environmental Sciences, Jožef Stefan Institute, Jamova 39, SI-1000 Ljubljana, Slovenia

Abstract

A green and facile electrochemical method for Nd–Fe–B PM recycling was developed. The proposed procedure enables a selective REE recovery and a simultaneous Fe metal deposition in only two processing steps, with the total re-use of the electrolyte. The proposed procedure thus avoids the formation of solid Fe-based waste and wastewater discharge.

This article is part of the themed collections: Inorganic chemistry approaches to saving critical elements: Recovery, Reuse and Recycling and 2020 Green Chemistry Hot Articles

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Article information

DOI: https://doi.org/10.1039/C9GC03325D
Article type: Communication
Submitted: 23 Sep 2019
Accepted: 16 Dec 2019
First published: 29 Jan 2020
This article is Open Access

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Green Chem., 2020,22, 1105-1112

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A facile method for the simultaneous recovery of rare-earth elements and transition metals from Nd–Fe–B magnets

X. Xu, S. Sturm, Z. Samardzija, J. Scancar, K. Markovic and K. Zuzek Rozman, Green Chem., 2020, 22, 1105 DOI: 10.1039/C9GC03325D

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Green Chemistry

A facile method for the simultaneous recovery of rare-earth elements and transition metals from Nd–Fe–B magnets†

Abstract

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A facile method for the simultaneous recovery of rare-earth elements and transition metals from Nd–Fe–B magnets

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