Vibratory separation of plastic mixtures using triboelectric charging

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7 Citations (Scopus)


This article presents the results of experimental and analytical studies of the performance of a novel vibratory separator of plastic mixtures for recycling. The separator unit consists of a vibratory conveyor equipped with two plate electrodes. The principle behind the separation technique is based on the difference in Coulomb force acting on the plastic particles after triboelectric charging. The separation of a mixture of 50% polyvinylchloride (PVC) and 50% polyethylene terephthalate (PET) using this method was studied. An analytical model describing the relative distribution of the two types of plastic particles in the collection trays was developed. The effect of triboelectric charging time and electric-field strength on the separation efficiency was investigated.

Original languageEnglish
Pages (from-to)153-164
Number of pages12
JournalParticulate Science and Technology
Issue number2
Publication statusPublished - 2006 Apr
Externally publishedYes


  • Electrostatic separation
  • Plastic mixtures
  • Triboelectric charging

ASJC Scopus subject areas

  • General Chemical Engineering


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