Effect of Magnet Scrap Size on the Extraction Behavior of Heavy Rare Earth Elements by Liquid Metal Extraction

• Autorzy: Nam Sun-Woo , Rasheed Mohammad Zarar , Park Sang-Min , Lee Sang-Hoon , Kim Do-Hyang , Kim Taek-Soo

Identyfikatory

DOI

10.24425/amm.2020.133683

• Języki publikacji: EN

Abstrakty

EN

Liquid metal extraction (LME) process results in 100% neodymium (Nd) extraction but the highest extraction efficiency reportedfor Dysprosium (Dy) so far is 74%. Oxidation of Dy is the major limiting factor for incomplete Dy extraction. In order to enhance the extraction efficiency and to further investigate the limiting factors for incomplete extraction, experiments were carried out on six different particle sizes of under 200 μm, 200-300 μm, 300-700 μm, 700-1000 μm, 1000-2000 μm and over 2000 μm at 900°C with magnesium-to-magnet scrap ratio of 15:1 for 6, 24 and 48 hours, respectively. This research identified Dy₂ Fe₁₇ in addition toDy₂ O₃ phase to be responsible for incomplete extraction. The relationship between Dy₂ Fe₁₇ and Dy₂O₃ phase was investigated, and the overall extraction efficiency of Dy was enhanced to 97%.

Słowa kluczowe

EN

liquid metal extraction; rare earth elements; recycling; oxidation; magnet scrap

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2020
• Tom: Vol. 65, iss. 4
• Strony: 1273--1276
• Opis fizyczny: Bibliogr. 10 poz., fot., rys., tab.

Twórcy

autor

Nam Sun-Woo

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 12 Get-beol Rd., Songdo-dong, Incheon, 21999
• Yonsei University, Department of Materials Science and Engineering, Seoul, 03722, Republic of Korea

autor

Rasheed Mohammad Zarar

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 12 Get-beol Rd., Songdo-dong, Incheon, 21999

autor

Park Sang-Min

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 12 Get-beol Rd., Songdo-dong, Incheon, 21999

autor

Lee Sang-Hoon

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 12 Get-beol Rd., Songdo-dong, Incheon, 21999

autor

Kim Do-Hyang

• Yonsei University, Department of Materials Science and Engineering, Seoul, 03722, Republic of Korea

autor

Kim Taek-Soo

• Korea Institute for Rare Metals, Korea Institute of Industrial Technology, 12 Get-beol Rd., Songdo-dong, Incheon, 21999
• University of Science and Technology, Daejeon, Republic of Korea

Bibliografia

• [1] J. D. Widmer, R. Martin, M. Kimiabeigi, SM&T. 3, 7 (2015), DOI: 10.1016/j.susmat.2015.02.001.
• [2] G. J. Simandl, C. Akam, S. Paradis, Which materials are ‘critical’ and ‘strategic’. in: Simandl, G. J. and Neetz, M., (Eds.), Symposium on Strategic and Critical Materials Proceedings 2015, British Columbia Ministry of Energy and Mines (2015).
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• [6] Y. Xu, L. S. Chumbley, F. C. Laabs, J. Mat. Res. 15, 2296 (2000).
• [7] H. J. Chae, Y. D. Kim, B. S. Kim, J. G. Kim, T. S. Kim, J. Alloys Compd. 586, 143 (2014).
• [8] T. Akahori, Y. Miyamoto, T. Saeki, M. Okamoto, T. H. Okabe, J. Alloys Compd. 703, 337 (2017).
• [9] H. W. Na, Y. H. Kim, H. T. Son, I. H. Jung, H. S. Choi, T. B. Kim, Curr. Nanosci. 10, 128 (2014).
• [10] A. Takeychi, A. Inoue, Mater. Trans. 46, 2817, (2005).

Uwagi

EN

1. This research was supported by a grant from project of development of environment friendly pyrometallurgy process for high purity HREE and materialization (Project number: 20000970) by Korea evaluation Institute of Industrial Technology (KEIT) in Republic of Korea.

PL

2. Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).