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Article Dans Une Revue Waste Management Année : 2018

Continuous operation of a fluidized-bed disk-type electrostatic separator for micronized plastic waste

Abdelkader Mekhalef Benhafssa
Wessim Aksa

Résumé

The objective of this work is to highlight the peculiarities of the continuous operating regime of a new tribo-aero-electrostatic separator for the recycling of plastics contained in micronized waste electrical and electronic equipment. The experiments were carried out with an ABS/PS mixture. The particles are charged by triboelectric effect in a fluidized bed in the presence of an electric field created between two disk electrodes connected to high voltage supplies of opposite polarities. The installation described in this paper has several control variables: the high voltage, the mass of the mixture initially introduced into the fluidized bed, the flow of fluidizing air and the rotation speed of the disk electrodes. The influence of each control variable of the machine on the efficiency of the separation was studied by simultaneously and continuously measuring the mass and the electrical charge of the collected products. The quality of the products obtained and the high hourly rates recommend this type of installation for industrial use.
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Dates et versions

hal-02295703 , version 1 (24-09-2019)

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Abdelkader Mekhalef Benhafssa, Thami Zeghloul, Wessim Aksa, Karim Medles, Lucian Dascalescu. Continuous operation of a fluidized-bed disk-type electrostatic separator for micronized plastic waste. Waste Management, 2018, 79, pp.763-769. ⟨10.1016/j.wasman.2018.08.044⟩. ⟨hal-02295703⟩
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