Analysis of Triboelectrostatic Separation Process of Mixed Poly(ethylene terephthalate) and High-Density Polyethylene

Wieslaw Lyskawinski, Mariusz Baranski, Cezary Jedryczka, Jacek Mikolajewicz, Roman Regulski, Dominik Rybarczyk and Dariusz Sedziak
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Wieslaw Lyskawinski: Institute of Electrical Engineering and Electronics, Poznan University of Technology, 60-965 Poznan, Poland
Mariusz Baranski: Institute of Electrical Engineering and Electronics, Poznan University of Technology, 60-965 Poznan, Poland
Cezary Jedryczka: Institute of Electrical Engineering and Electronics, Poznan University of Technology, 60-965 Poznan, Poland
Jacek Mikolajewicz: Institute of Electrical Engineering and Electronics, Poznan University of Technology, 60-965 Poznan, Poland
Roman Regulski: Institute of Mechanical Technology, Poznan University of Technology, 60-965 Poznan, Poland
Dominik Rybarczyk: Institute of Mechanical Technology, Poznan University of Technology, 60-965 Poznan, Poland
Dariusz Sedziak: Institute of Mechanical Technology, Poznan University of Technology, 60-965 Poznan, Poland

Energies, 2021, vol. 15, issue 1, 1-13

Abstract: The aim of this study was to investigate and analyze the separation process of poly (ethylene terephthalate) and high-density polyethylene mixture. The research studied the influence of parameters of tribocharging and separation processes on the quality of separation. The research was carried out using a developed test stand consisting of a test tribocharger and a dedicated drum-type electrostatic separator. Both the separator and the tribocharger have been designed as automated test benches to assess the quality of plastic separation. In order to assess the quality of electrostatic separation of plastics, an original method based on the use of a dedicated vision system was used. The research was conducted in two stages. Firstly, the influence of the tribocharging process parameters on the efficiency of the process, i.e., the charge collected, was investigated. The next stage of the research was focused on the analysis of the influence of the separation process parameters on its effectiveness. The obtained results were presented and discussed. On the basis of the conducted research, the parameters of the tribocharging and separation processes affecting their effectiveness were determined.

Keywords: electric field; PET; PE-HD; tribocharging; electrostatic separation; vision system (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2021
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