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Updated: Nov 6, 2025

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Published on: May 2, 2025
Mine drainage: Treatment technologies and rare earth elements
Xinchao Wei1, Shicheng Zhang2, Jonathan Shimko3
1Department of Physics and Engineering, Slippery Rock University, Slippery Rock, Pennsylvania.
Abstract:
The recent research and development on mine drainage published in 2018 was summarized in this annual review. In particular, this review was focused on two main aspects of mine drainage: (a) advances in treatment technologies and (b) rare earth elements in mine drainage and its recovery. The first section covers passive treatment technologies and active treatment options, including physiochemical treatment and biological treatment. The second section includes the characterization of rare earth elements in mine drainage and recovery technologies. Due to the importance of rare earth elements and the growing interest in their recovery from mine drainage, rare earth elements are reported as a separate section for the first time in this review. PRACTITIONER POINTS: Advances in treatment technologies for mine drainage are reviewed. Rare earth elements in mine drainage and its recovery are summarized. Reviewed technologies include passive, active, advanced and novel processes.
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