Recent Trend on the Studies of Recycling Technologies of Rare Earth Metals

Osamu Takeda; Xin Lu; Hongmin Zhu

doi:10.1007/978-3-030-92563-5_27

Recent Trend on the Studies of Recycling Technologies of Rare Earth Metals

Osamu Takeda, Xin Lu, Hongmin Zhu

ENG - Metallurgy

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Citation (Scopus)

Abstract

There is uncertainty in the supply of rare earth resources. Technical developments on the resource saving of rare earths and the alternate materials are important challenges, and the development of recycling technologies is also important for securing stable supply of rare earth resources. The waste of neodymium magnet that is the industrially-important product containing rare earth metals is currently recycled by a hydrometallurgical method. However, the hydrometallurgical method generates a large volume of waste solution and consumes a large amount of energy. In order to develop an environmentally-sound recycling process, various studies on pyrometallurgical methods have been conducted. One of the authors developed the molten metal extraction method and the flux remelting method. The pyrometallurgical methods are anticipated as the recycling processes with small waste generation and low energy consumption. Research and development on environmentally-sound recycling technologies for rare earths has to be advanced from environmental aspects as well as economic aspects.

Original language	English
Title of host publication	REWAS 2022
Subtitle of host publication	Developing Tomorrow’s Technical Cycles
Editors	Adamantia Lazou, Katrin Daehn, Camille Fleuriault, Mertol Gökelma, Elsa Olivetti, Christina Meskers
Publisher	Springer Science and Business Media Deutschland GmbH
Pages	259-266
Number of pages	8
ISBN (Print)	9783030925628
DOIs	https://doi.org/10.1007/978-3-030-92563-5_27
Publication status	Published - 2022
Event	7th Installment of the REWAS conference series held at the TMS Annual Meeting and Exhibition focuses on developing tomorrow’s technical cycles, 2022 - Anaheim, United States Duration: 2022 Feb 27 → 2022 Mar 3

Publication series

Name	Minerals, Metals and Materials Series
ISSN (Print)	2367-1181
ISSN (Electronic)	2367-1696

Conference

Conference	7th Installment of the REWAS conference series held at the TMS Annual Meeting and Exhibition focuses on developing tomorrow’s technical cycles, 2022
Country/Territory	United States
City	Anaheim
Period	22/2/27 → 22/3/3

Keywords

Pyrometallurgical methods
Rare earths
Recycling

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Energy Engineering and Power Technology
Mechanics of Materials
Metals and Alloys
Materials Chemistry

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

Access to Document

10.1007/978-3-030-92563-5_27

Cite this

Takeda, O., Lu, X., & Zhu, H. (2022). Recent Trend on the Studies of Recycling Technologies of Rare Earth Metals. In A. Lazou, K. Daehn, C. Fleuriault, M. Gökelma, E. Olivetti, & C. Meskers (Eds.), REWAS 2022: Developing Tomorrow’s Technical Cycles (pp. 259-266). (Minerals, Metals and Materials Series). Springer Science and Business Media Deutschland GmbH. https://doi.org/10.1007/978-3-030-92563-5_27

Recent Trend on the Studies of Recycling Technologies of Rare Earth Metals. / Takeda, Osamu ; Lu, Xin ; Zhu, Hongmin.

REWAS 2022: Developing Tomorrow’s Technical Cycles. ed. / Adamantia Lazou; Katrin Daehn; Camille Fleuriault; Mertol Gökelma; Elsa Olivetti; Christina Meskers. Springer Science and Business Media Deutschland GmbH, 2022. p. 259-266 (Minerals, Metals and Materials Series).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Takeda, O , Lu, X & Zhu, H 2022, Recent Trend on the Studies of Recycling Technologies of Rare Earth Metals. in A Lazou, K Daehn, C Fleuriault, M Gökelma, E Olivetti & C Meskers (eds), REWAS 2022: Developing Tomorrow’s Technical Cycles. Minerals, Metals and Materials Series, Springer Science and Business Media Deutschland GmbH, pp. 259-266, 7th Installment of the REWAS conference series held at the TMS Annual Meeting and Exhibition focuses on developing tomorrow’s technical cycles, 2022, Anaheim, United States, 22/2/27. https://doi.org/10.1007/978-3-030-92563-5_27

Takeda O , Lu X , Zhu H. Recent Trend on the Studies of Recycling Technologies of Rare Earth Metals. In Lazou A, Daehn K, Fleuriault C, Gökelma M, Olivetti E, Meskers C, editors, REWAS 2022: Developing Tomorrow’s Technical Cycles. Springer Science and Business Media Deutschland GmbH. 2022. p. 259-266. (Minerals, Metals and Materials Series). doi: 10.1007/978-3-030-92563-5_27

Takeda, Osamu ; Lu, Xin ; Zhu, Hongmin. / Recent Trend on the Studies of Recycling Technologies of Rare Earth Metals. REWAS 2022: Developing Tomorrow’s Technical Cycles. editor / Adamantia Lazou ; Katrin Daehn ; Camille Fleuriault ; Mertol Gökelma ; Elsa Olivetti ; Christina Meskers. Springer Science and Business Media Deutschland GmbH, 2022. pp. 259-266 (Minerals, Metals and Materials Series).

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AB - There is uncertainty in the supply of rare earth resources. Technical developments on the resource saving of rare earths and the alternate materials are important challenges, and the development of recycling technologies is also important for securing stable supply of rare earth resources. The waste of neodymium magnet that is the industrially-important product containing rare earth metals is currently recycled by a hydrometallurgical method. However, the hydrometallurgical method generates a large volume of waste solution and consumes a large amount of energy. In order to develop an environmentally-sound recycling process, various studies on pyrometallurgical methods have been conducted. One of the authors developed the molten metal extraction method and the flux remelting method. The pyrometallurgical methods are anticipated as the recycling processes with small waste generation and low energy consumption. Research and development on environmentally-sound recycling technologies for rare earths has to be advanced from environmental aspects as well as economic aspects.

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Recent Trend on the Studies of Recycling Technologies of Rare Earth Metals

Abstract

Publication series

Conference

Keywords

ASJC Scopus subject areas

UN SDGs

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