Abstract
A disposal technology for lithium batteries with minimal environmental impact is proposed. Ground battery components are processed in five stages, to produce mechanically activated powder. Attention focuses on two stages: leaching; and purification and concentration of the lithium hydroxide and carbonate in a high-pressure membrane unit. Theoretical principles are outlined for mechanical–chemical destruction of the ground battery components with high product yield. Analysis of ball and product motion in a ball mill shows that waterfall motion of the balls is optimal. Formulas are given for the equivalent diameter of the particles and their specific surface.
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Funding
Financial support was provided by the Russian Foundation for Basic Research (project 18-29-2419), with a view to the analysis of energy- and resource-efficient technology for the production of commercial lithium salts from spent batteries.
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Translated by B. Gilbert
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Nazarov, V.I., Gonopolsky, A.M., Makarenkov, D.A. et al. Production of Lithium Hydroxide and Lithium Carbonate from Spent Lithium Batteries. Coke Chem. 63, 97–103 (2020). https://doi.org/10.3103/S1068364X20020052
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DOI: https://doi.org/10.3103/S1068364X20020052