The recovery of recyclable materials from Waste Electrical and Electronic Equipment (WEEE) by using vertical vibration separation

Nusruth Mohabuth, Nicholas Miles

Research output: Journal PublicationArticlepeer-review

38 Citations (Scopus)

Abstract

In this article, the vertical vibration technique is described as it is used to separate a mixture of plastic and bronze in water. When a mixture of two equally sized granular materials is vertically vibrated, they often separate into two distinct layers. Plastic and bronze were used to mimic the situation of Waste Electrical and Electronic Equipment (WEEE) materials. At low frequency, a bronze rich layer is formed on top of a plastic layer, while at higher frequency the bronze remained sandwiched between two layers of plastic. A similar result was obtained when equivalent size shredded WEEE materials were vibrated. These results were compared with those in the plastic-bronze mixture. The WEEE mixture separates into a copper rich layer on top. The observations and possible mechanisms of this separation are discussed.

Original languageEnglish
Pages (from-to)60-69
Number of pages10
JournalResources, Conservation and Recycling
Volume45
Issue number1
DOIs
Publication statusPublished - Sep 2005
Externally publishedYes

Keywords

  • Density segregation
  • Separation process
  • Vibrated bed
  • WEEE

ASJC Scopus subject areas

  • Waste Management and Disposal
  • Economics and Econometrics

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