Distribution of the lithium deposition on the collector during separation of lithium isotopes by the plasma ICR method

Babichev, A. P.; Gorshunov, N. M.; Dolgolenko, D.A.; Zotin, G.E.; Laz'ko, V. S.; Muromkin, Yu. A.; Pashkovskii, V. G.; Peshkov, A. T.

doi:10.1134/s1063780x14090013

Cited by 5 publications

(3 citation statements)

References 4 publications

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“…Beyond rotating configurations, which are obvious candidates, a wide variety of differential mechanisms and configurations can in principle be used to discriminate elements based on mass in plasmas. For example, plasma optical separators 87,88 , crossed-field plasma separators 89 , and plasma filters based on differential magnetic 90 and collisionality gradient 91 drifts, and gyroradius effects 92 have all been suggested to separate elements based on atomic mass.…”

Section: B Plasma Separationmentioning

confidence: 99%

“…This could in principle be achieved in configurations where ions are extracted along the field lines (see, e. g., Refs. 81,83,92,106 ). In the limit of a perfectly optimized scheme, by which it is meant that extra losses induced by the multi-stage scheme are negligible compared to C p , the cost for recovery of individual REEs would be about C p .…”

Section: Opportunities and Perspectivesmentioning

confidence: 99%

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Opportunities for plasma separation techniques in rare earth elements recycling

Gueroult

Rax

Fisch

2018

Journal of Cleaner Production

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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. A simplified 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.

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Section: B Plasma Separationmentioning

confidence: 99%

Section: Opportunities and Perspectivesmentioning

confidence: 99%

Opportunities for plasma separation techniques in rare earth elements recycling

Gueroult

Rax

Fisch

2018

Journal of Cleaner Production

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“…However, only recently have plasmas been suggested for separating elements with large mass differences [7][8][9][10][11][12] , such as needed for legacy waste disposal or spent fuel reprocessing. These emerging applications, focused more on throughput than fine-grained specificity, motivated the development of new mass filter concepts, including rotating plasma configurations [13][14][15][16] , optical devices 17,18 , crossed-field separators 19 , and filters based on differential magnetic drift 20 and gyro-radius effects 21 .…”

Section: Introductionmentioning

confidence: 99%

Drift and separation in collisionality gradients

et al. 2017

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We identify a single-particle drift resulting from collisional interactions with a background species, in the presence of a collisionality gradient and background net flow. We analyze this drift in different limits, showing how it reduces to the well known impurity pinch for high-Z i impurities. We find that in the low-temperature, singly-ionized limit, the magnitude of the drift becomes mass-dependent and energy-dependent. By solving for the resulting diffusion-advection motion, we propose a mass-separation scheme that takes advantage of this drift, and analyze the separative capability as a function of collisionally dissipated energy.

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