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Borra, C.R. (author), Vlugt, T.J.H. (author), Yang, Y. (author), Spooren, Jeroen (author), Nielsen, Peter (author), Amirthalingam, Murugaiyan (author), Offerman, S.E. (author)
The circular economy demands waste utilization for the production of high-value products, and this requires the development of novel processing routes. In this study, rare earth (La and Ce) oxides were completely (>99%) recovered from polishing waste by a combined novel reductive acid leaching and alkali treatment process. About 70% of...
journal article 2021
document
Borra, C.R. (author), Vlugt, T.J.H. (author), Spooren, Jeroen (author), Nielsen, Peter (author), Yang, Y. (author), Offerman, S.E. (author)
One of the main applications of ceria (CeO <sub>2</sub> ) is its use in glass polishing. About 16,000 tonnes of rare earth oxides, which is about 10% of total rare earth production, are used for polishing applications. The waste generated in glass polishing contains rare earths, along with other impurities. In this study, two different glass...
journal article 2019
document
Yang, Y. (author), Walton, A (author), Sheridan, R. (author), Güth, K. (author), Gauß, R. (author), Gutfleisch, O (author), Buchert, M (author), Steenari, B-M, (author), Van Gerven, T (author), Jones, P.T. (author), Binnemans, K (author)
NdFeB permanent magnets have different life cycles, depending on the applications: from as short as 2–3 years in consumer electronics to 20–30 years in wind turbines. The size of the magnets ranges from less than 1 g in small consumer electronics to about 1 kg in electric vehicles (EVs) and hybrid and electric vehicles (HEVs), and can be as...
review 2017