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Numerical investigation and optimization of vertical pneumatic separation of film-like particles in lithium iron phosphate battery recycling
Numerical investigation and optimization of vertical pneumatic separation of film-like particles in lithium iron phosphate battery recycling Battery recycling is crucial due to its environmental and economic benefits, with efficient separation of the crushed battery mixture forming the basis of the process. However, numerical studies on this process remain limited primarily due to the highly non-spherical shapes of the particles involved. Spherical particles are commonly used in limited numerical investigations with compromised accuracy and reliability. In this study, the separation of crushed battery mixture by vertical pneumatic separator is simulated using the coupled method of computational fluid dynamics (CFD) and discrete element method (DEM). The non-spherical particles in the crushed battery mixture is resembled by cylindrical film-like particles, and the Hölzer and Sommerfeld drag coefficient is applied to enhance the accuracy of the drag force calculation. A...
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