Rare earth elements in malaysia: Overview of processing, sustainability and environmental impact

Kuan, S.H., Saw, L.H., Ghorbani, Y. , Galvez, E.D., Cisternas, L.A. and Nesset, J.E. (2016) Rare earth elements in malaysia: Overview of processing, sustainability and environmental impact. In: 28th International Mineral Processing Congress, IMPC 2016, 11 September to 15 September 2016, Quebec City.

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Item Type:Conference or Workshop contribution (Paper)
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In Malaysia, there were two rare earths processing plants namely Asian Rare Earth (ARE) and the Malaysian Rare Earth Corporation Plant (MAREC) in Perak, which were operated until 1992 and were subsequently closed due to problems pertaining to disposal of large amount of radioactive waste. Recently, Lynas Advanced Materials Plant (LAMP) has become one of the largest rare earths processing plant in the world producing rare earth elements (REE) in Gebeng, Pahang. The primary raw material is lanthanide concentrate (LC) which is imported from Mount Weld mine in Australia and shipped to Malaysia. LC is produced from lanthanide ore after mining and mineral processing. The ore has a lower impact than Bayan Obo, Mountain Pass and adsorbed clay deposits, given the small footprint of the mine itself and the remoteness of the location. The type of ore being mined (rare earth phosphates: carbonatite, monazite) may have higher thorium content than bastnasite ore from the Chinese or American mines but still far below radiation concerns. This paper was written to review the processing flowsheet at the Lynas Advanced Materials Plant (LAMP), the environmental impact associated with the processing of the said ores and the sustainability of the operation. © 2017 TAPPI Press. All rights reserved.

Keywords:Clay deposits, Ores, Phosphate minerals, Rare earth elements, Rare earths, Sustainable development, Carbonatites, Large amounts, Mineral processing, Mountain Pass, Processing plants, Rare earth phosphates, Waste disposal, Advanced materials, Environmental impact
Subjects:F Physical Sciences > F100 Chemistry
Divisions:College of Science > School of Chemistry
ID Code:54545
Deposited On:06 Jul 2023 09:53

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