The processing of scrap and scrap cars starts with size reduction by a hammermill, or shredder. After the liberation the magnetic fraction is removed. The remaining non-magnetic fraction mixed with other materials is screened and each fraction is processed seperately. The increased use of plastic has a negative effect on the recovery of metals and waste production. At Huron Valley, Belleville Michigan, USA, the non-ferrous fraction from 5 million obsolete cars per year, containing 200000 ton of non-ferrous metal is processed. Aluminium is recovered with a heavy medium separation process and concentrated with eddy current separators. The remaining heavy non-ferrous fraction is concentrated by a new combination of eddy current separation and image processing. After this separation process the zinc fraction is melted and refined and the copper, brass, stainless steel and other high-quality concentrates are sold to the secondary industries.


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    Titel :

    New developments in the processing of the non-ferrous metal fraction of car scrap


    Weitere Titelangaben:

    Neue Entwicklungen beim Verarbeiten des Nichteisenmetallanteils von Autoschrott


    Beteiligte:


    Erscheinungsdatum :

    1995


    Format / Umfang :

    12 Seiten, 11 Bilder, 15 Quellen



    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Print


    Sprache :

    Englisch