Two stage electrostatic separator for the recycling of plastics from waste electrical and electronic equipment

The aim of study was to evaluate the effectiveness of a new facility for recycling of plastics from granular waste electrical and electronic equipment. The installation consists of two sections, the products of a first tribo-aero-electrostatic separator being subsequently treated in two free-fall el...

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Bibliographic Details
Published in:Journal of electrostatics 2013-08, Vol.71 (4), p.681-688
Main Authors: Aksa, Wessim, Medles, Karim, Rezoug, Mohamed, Boukhoulda, Mohamed Fodil, Bilici, Mihai, Dascalescu, Lucian
Format: Article
Language:English
Subjects:
Electronic equipment
Electronic waste
Electrostatic processes
Electrostatic separators
Image processing
Matlab
Polyamide resins
Polycarbonates
Purity
Recycling
Triboelectricity
Waste recovery
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Summary:The aim of study was to evaluate the effectiveness of a new facility for recycling of plastics from granular waste electrical and electronic equipment. The installation consists of two sections, the products of a first tribo-aero-electrostatic separator being subsequently treated in two free-fall electrostatic separators. The tests were performed on a mixture of polycarbonate (PC) and polyamide (PA). Analysis of the purity of the products obtained was performed using a program of image processing in MATLAB. Products of very high purity (roughly 95% for both PC and PA) were obtained at a recovery rate higher than 70%. •Aim: evaluate the effectiveness of a new electrostatic separator for WEEE.•New design: tribo-aero-electrostatic + free-fall electrostatic separation.•Experiments on polyamide and polycarbonate granular mixtures.•Analyse the purity of the products by image processing.•Use the experimental design methodology for process modelling & optimisation.
ISSN:0304-3886
1873-5738
DOI:10.1016/j.elstat.2013.03.009