带旋转输送机的新型静电分离器，用于回收废弃电子电气设备废物

IF 1.9 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Electrostatics Pub Date : 2024-07-26 DOI:10.1016/j.elstat.2024.103955

Abdellah Walid Ait Yahia , Seddik Touhami , Amar Tilmatine , Wessim Aksa , Mohamed El-Mouloud Zelmat , Noureddine Zouzou

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引用次数: 0

摘要

本研究介绍了一种从废弃电子电气设备中回收高纯度金属和塑料的新型静电分离装置。该装置由旋转板式输送机、空气抽吸系统和振动料斗组成。它利用电附着力有选择性地将金属颗粒吸引到传送带表面，而经过精确校准的抽吸空气则有效地将塑料颗粒收集到一个专用箱中。与传统的静电方法相比，它的一个主要特点是采用了低电平交流高压，大大提高了运行效率和安全性。实验结果表明，该设备性能卓越，根据应用电压和气流设置，回收率和纯度可达 100%。

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New electrostatic separator with rotating conveyor for the recovery of WEEE waste

This study presents a new electrostatic separation device for recovering high-purity metals and plastics from waste electrical and electronic equipment. The device is constituted by a rotating plate conveyor, an air suction system, and a vibrating hopper. It utilizes electro-adhesion force to selectively attract metal particles onto the conveyor surface, while precisely calibrated suction air effectively collects plastic particles into a dedicated box. A key feature is the employment of a low-level AC high voltage, significantly enhancing operational efficiency and safety compared to conventional electrostatic methods. Experimental results demonstrate high performance, achieving recovery and purity rates of up to 100 % depending on applied voltage and airflow settings.

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来源期刊

Journal of Electrostatics 工程技术-工程：电子与电气

CiteScore

4.00

自引率

11.10%

发文量

审稿时长

49 days

期刊介绍： The Journal of Electrostatics is the leading forum for publishing research findings that advance knowledge in the field of electrostatics. We invite submissions in the following areas: Electrostatic charge separation processes. Electrostatic manipulation of particles, droplets, and biological cells. Electrostatically driven or controlled fluid flow. Electrostatics in the gas phase.