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  • Title: Electrostatic separators of particles: Application to plastic/metal, metal/metal and plastic/plastic mixtures.
    Author: Tilmatine A, Medles K, Bendimerad SE, Boukholda F, Dascalescu L.
    Journal: Waste Manag; 2009 Jan; 29(1):228-32. PubMed ID: 18684609.
    Abstract:
    Electrostatic separation is a generic term given to a significant class of technologies of industrial waste processing, widely used for the sorting of granular mixtures due to electric forces acting on particles whose average size is approximately 5mm. The focus of this paper is on three electrostatic processes of separation used for processing of different types of mixtures: (i) role-type electrostatic separator, used to sort mixtures containing metal/plastic particles (copper/PVC for example); (ii) plate-type electrostatic separator, used to sort mixtures containing metal/metal particles (copper/lead for example) and (iii) free-fall electrostatic separator, used to sort mixtures of plastic/plastic particles (PVC/PE for example). Experiments carried out on industrial samples using laboratory electrostatic separators confirm the efficiency of these processes and show that the processes can improve the recovery and purity of products resulting from industrial wastes.
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