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Recovering metallic fractions from waste electrical and electronic equipment by a novel vibration system

TitleRecovering metallic fractions from waste electrical and electronic equipment by a novel vibration system
Publication TypeJournal Article
Year of Publication2013
AuthorsHabib M, Miles NJ, Hall P
Journal TitleWaste Management
Volume33
Pages722 - 729
ISSN0956-053X
KeywordsWEEE
AbstractThe need to recover and recycle valuable resources from Waste Electrical and Electronic Equipment (WEEE) is of growing importance as increasing amounts are generated due to shorter product life cycles, market expansions, new product developments and, higher consumption and production rates. The European Commission (EC) directive, 2002/96/EC, on WEEE became law in UK in January 2007 setting targets to recover up to 80% of all WEEE generated. Printed Wire Board (PWB) and/or Printed Circuit Board (PCB) is an important component of WEEE with an ever increasing tonnage being generated. However, the lack of an accurate estimate for PCB production, future supply and uncertain demands of its recycled materials in international markets has provided the motivation to explore different approaches to recycle PCBs. The work contained in this paper focuses on a novel, dry separation methodology in which vertical vibration is used to separate the metallic and non-metallic fractions of PCBs. When PCBs were comminuted to less than 1 mm in size, metallic grades as high as 95% (measured by heavy liquid analysis) could be achieved in the recovered products.
URLhttp://www.sciencedirect.com/science/article/pii/S0956053X12005405
DOI10.1016/j.wasman.2012.11.017
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