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Opportunities for plasma separation techniques in rare earth elements recycling

Journal Article · · Journal of Cleaner Production
 [1];  [2];  [3]
  1. Univ. de Toulouse (France); Laplace, Universite de Toulouse, CNRS, INPT, UPS, 31062 Toulouse, France
  2. Univ. de Paris XI - Ecole Polytechnique, Palaiseau (France)
  3. Princeton Plasma Physics Lab. (PPPL), Princeton, NJ (United States)
Rare earth elements recycling has been proposed to alleviate supply risks and market volatility. In this context, the potential of a new recycling pathway, namely plasma mass separation, is uncovered through the example of nedodymium - iron - boron magnets recycling. Plasma mass separation is shown to address some of the shortcomings of existing rare earth elements recycling pathways, in particular detrimental environmental effects. Here, a simplifed mass separation model suggests that plasma separation performances could compare favourably with existing recycling options. In addition, simple energetic considerations of plasma processing suggest that the cost of these techniques may not be prohibitive, particularly considering that energy costs from solar may become significantly cheaper. Further investigation and experimental demonstration of plasma separation techniques should permit asserting the potential of these techniques against other recycling techniques currently under development.
Research Organization:
Princeton Univ., NJ (United States)
Sponsoring Organization:
USDOE
Grant/Contract Number:
SC0016072
OSTI ID:
1808875
Journal Information:
Journal of Cleaner Production, Journal Name: Journal of Cleaner Production Vol. 182; ISSN 0959-6526
Publisher:
ElsevierCopyright Statement
Country of Publication:
United States
Language:
English

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E  ×  B configurations for high-throughput plasma mass separation: An outlook on possibilities and challenges journal April 2019
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Negative electric potential in a cylindrical plasma column with magnetized electrons journal January 2020
Diffuse vacuum arc with heated cathode made of ceramic (CeO 2 ) and metal (Cr) mixture journal January 2020
Radial Current and Rotation Profile Tailoring in Highly Ionized Linear Plasma Devices text January 2019

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