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Journal of the Southern African Institute of Mining and Metallurgy

On-line version ISSN 2411-9717
Print version ISSN 2225-6253


CHEN, Y.; HE, D.  and  POTGIETER, J.H.. Development and beneficiation technology of rare earth ores in China. J. S. Afr. Inst. Min. Metall. [online]. 2022, vol.122, n.3, pp.125-132. ISSN 2411-9717.

The demand for rare earth elements (REE) is increasing rapidly owing to the emergence of new clean-energy and defense-related technologies. China's dominates the world production of REE. In this paper, we review the ore characteristics of four typical REE deposits in China and discuss the conventional beneficiation techniques, including gravity and magnetic separation, flotation, and hydrometallurgical processing of these ores. Some of the latest laboratory findings and industrial applications, as well as the development of novel reagents for REE processing in China are presented. The REE beneficiation technologies developed and employed in China could constitute a good case study for many other emerging projects being explored around the world.

Keywords : rare earth elements; mineralogy; flotation; processing technology.

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