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ToolsBin, C., Yi, Y., Zhicheng, S., Qiang, W., Abdelkader, A., Kamali, A. and Montalvao, D., 2022. Effects of particle size on the separation efficiency in a rotary-drum eddy current separator. Powder Technology, 410 (September), 117870.
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DOI: 10.1016/j.powtec.2022.117870
Abstract
Eddy current separation is a technology for recovering non-ferrous metals. The influence of particle size on the separation is of significant importance due to the variety of materials. It was investigated by combining simu- lations and physical experiments. A strong correlation between the simulation and the experiment was found by Pearson correlation analysis. Then the interaction effects between the particle size and the material type, rota- tional speed, magnetic pole arrangement were investigated. It shows that an optimal particle size exists for a specific condition, and the separation efficiency of fine particles can be improved by increasing rotational speed, magnetic pole number, and the electrical conductivity/density of material, as well as utilizing torque of Lorentz force. The underlying mechanism of particle size affecting separation was discovered by analyzing eddy current distribution and field gradient. These results provide insight into the design and optimization of eddy current separation for particles of various sizes
| Item Type: | Article |
|---|---|
| ISSN: | 0032-5910 |
| Uncontrolled Keywords: | Particle size; Eddy current separation; Numerical simulation; Lorentz force; Magnetic dipole |
| Group: | Faculty of Science & Technology |
| ID Code: | 37428 |
| Deposited By: | Symplectic RT2 |
| Deposited On: | 05 Sep 2022 10:18 |
| Last Modified: | 23 Aug 2023 01:08 |
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