Recovery of rare earth elements from ndfeb magnet scraps by pyrometallurgical processes

TMS Annual Meeting

Volumn 15-19-March-2015, Issue , 2015, Pages 239-248

  Bian, Yuyang ^a   Guo, Shuqiang ^a   Tang, Kai ^b   Jiang, Lan ^a   Lu, Changyuan ^a   Lu, Xionggang ^a   Ding, Weizhong ^a  

^a SHANGHAI UNIVERSITY   (China)

^b S1NTEF Materials and Chemistry   (Norway)

Author keywords

Permanent magnet; Rare earth; Recycling

Indexed keywords

BORON; CARBON DIOXIDE; IRON; IRON ALLOYS; OXIDATION; PERMANENT MAGNETS; PYROMETALLURGY; RARE EARTH ELEMENTS; RARE EARTHS; RECYCLING; SCRAP METAL REPROCESSING; SLAGS;

CARBON-SATURATED IRON; GRAPHITE CRUCIBLES; HIGH TEMPERATURE PROCESS; ND-FE-B MAGNETS; OXIDATION CONDITIONS; OXIDATION PROCESS; PYRO-METALLURGICAL PROCESS; RARE EARTH OXIDE;

NEODYMIUM ALLOYS;

EID: 84969802394     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1002/9781119093244.ch27     Document Type: Conference Paper

References (26)

1. S. Doris et al., Study on Rare Earths and Their Recycling, Final Report for The Greens/EFA Group in the European Parliament, (2011). 3-6.
2. H. George C, L. Jinfang, G. Alexander, and M. Melania, "Current Status of Rare Earth Permanent Magnet Research in USA, " Proceedings of 19th International Workshop on Rare Earth Permanent Magnets & Their Applications, (2006), 12-22.
3. B. Koen, J. Peter Tom, B. Bart, G. Tom Van, Y. Yongxiang, W. Allan, and B. Matthias, "Recycling of Rare Earths a Critical Review, " Journal of Cleaner Production, 51 (2013), 1-22.
4. L. Ran, B. Matthias, D. Stefanie, M. Andreas, M. Cornelia, and S. Doris, "Application of Rare Earths in Consumer Electronics and Challenges for Recycling, " IEEE International Conference on Consumer Electronics (Berlin Germany), (2011), 286-290.
5. M. Stefania and R. Marcello, "Rare Earth Elements as Critical Raw Materials: Focus on International Markets and Future Strategies, " Resources Policy, 38 (2013), 36-43.
6. D. Xiaoyue and T.E. Graedel, "Global In-Use Stocks of the Rare Earth Elements: A First Estimate, " Environmental Science & Technology, 45 (9) (2011), 4096-4101.
7. J. Nan, D. Han, M. Yang, M. Cui, and X. Hou, "Recovery of metal values from a mixture of spent lithium-ion batteries and nickel-metal hydride batteries, " Hydrometallurgy, 84 (1-2) (2006), 75-80.
8. S. Nishihama, N. Sakaguchi, T. Hirai, and I. Komasawa, "Extraction and Separation of Rare Earth Metals Using Microcapsules Containing Bis (2-Ethylhexyl) Phosphinic Acid, " Hydrometallurgy, 64 (1) (2002), 35-42.
9. F. Yang, F. Kubota, Y. Baba, N. Kamiya, and M. Goto, "Selective extraction and recovery of rare earth metals from phosphor powders in waste fluorescent lamps using an ionic liquid system, " Journal of Hazardous Materials, 254-255 (2013), 79-88.
10. I. Masahiro, M. Koji, and M. Ken-ichi, "Novel Rare Earth Recovery Process on NdFeB Magnet Scraps by Selective Chlorination using NH4CI, " Journal of Alloys and Compounds, 477 (1-2) (2009), 484-487.
11. A.T. Dinsdale, "SGTE data for pure elements, " Calphad, 15 (1991), 317-425.
12. J.M. Le Breton, J. Teillet, P.J. McGuiness, D.S. Edgley, and R. Harris, "The oxidation of Nd-Fe-B permanent magnet at 400°C: a SEM, microhardness and Mössbauer study, " Magnetics, IEEE Transactions on, 28 (5) (1992), 2157-2159.
13. Y. Li, H.E. Evans, I.R. Harris, and I.P. Jones, "The Oxidation of NdFeB Magnets, " Oxidation of Metals, 59 (2003), 167-182.
14. G.W. Warren, G. Gao, and Q. Li, "Corrosion of NdFeB Permanent Magnet Materials, " Journal of Applied Physics, 70 (10) (1991), 6609-6611.
15. M. Nakamoto, K. Kubo, Y. Katayama, T. Tanaka, and T. Yamamoto, "Extraction of Rare Earth Elements as Oxides from a Neodymium Magnetic Sludge, " Metal. Mater. Trans B, 43 (3) (2011), 468-476.
16. T. Saito, H. Sato, S. Ozawa, J. Yu, and T. Motegi, "The Extraction of Nd from Waste NdFeB Alloys by the Glass Slag Method, " Journal of Alloys and Compounds, 353 (11) (2003), 189-193.
17. U. Tetsuya, "Recovery of Rare Earths from Magnet Sludge by FeCl2, " Materials Transactions, 43 (1) (2002), 55-62.
18. T. Osamu, H. Toru, Okabe, and U. Yoshiaki, "Recovery of Neodymium from a Mixture of Magnet Scrap and Other Scrap, " Journal of Alloys and Compounds, 408-412 (2006), 387-390.
19. O. Takeda, T.H. Okabe, Y. Umetsu, "Phase Equilibrium of the System Ag-Fe-Nd, and Nd Extraction from Magnet Scraps using Molten Silver, " Journal of Alloys and Compounds, 379 (1-2) (2004), 305-313.
20. A.M. Martinez, O. Kjos, E. Skybakmoen, A. Solheim, and G.M. Haarberg, "Extraction of Rare Earth Metals from Nd-based Scrap by Electrolysis from Molten Slag, " ECS Transactions, 50 (2012), 453-461.
21. K. Miura, M. ltoh, and K..-I. Machida, "Extraction and Recovery Characteristics of Fe Element from Nd-Fe-B Sintered Magnet Powder Scrap by Carbonylation, " Journal of Alloys and Compounds, 466 (1-2) (2008), 228-232.
22. D.S. Edgley, J.M. Le Breton, S. Steyaert, F.M. Ahmed, I.R. Harris, and J. Teillet, "Characterisation of High Temperature Oxidation of Nd-Fe-B Magnets, " Journal of Magnetism and Magnetic Materials, 173 (1-2) (1997) 29-42.
23. S.C. Parida, S. Dash, Z. Singh, R. Prasad, K.T. Jacob, and V. Venugopal, "Thermodynamic Studies on NdFeO3(s), Journal of Solid State Chemistry, " 164 (1) (2002), 34-41.
24. A. Roine, Outolumpu HSC Thermochemistry for Windows, Ver.5.1 (Ourokumpu Research Oy, Pori, Finland).
25. S.K. Thomas and C.J. Buckley, "Metastable States in Alumina-Rich La2O3-Al2O3 and Nd2O3- Al2O3, " Journal of American Ceramic Society, 88 (1) (2005) 191-195.
26. G. Goller, C. Toy, A. Tekin, and C.K. Gupta, "The Production of Boron Barbide by Carbothermic Reduction, " High Temperature Materials and Processes, 15 (1-2) (1996) 117-122.