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METHOD FOR RECOVERING METALS FROM ELECTRONIC WASTE CONTAINING PLASTICS MATERIALS

  • US 20110220554A1
  • Filed: 11/11/2009
  • Published: 09/15/2011
  • Est. Priority Date: 11/14/2008
  • Status: Active Grant
First Claim
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1. A method for treating materials containing a mixture of plastic and metal materials, said method comprising:

  • shredding the materials to be processed;

    pyrolysis of the shredded material;

    a first magnetic separation performed on the pyrolyzed materials, providing a ferrous metal fraction and, secondly, non-ferrous residues;

    a second magnetic separation performed on the non-ferrous residues, providing, on the one hand, a non-ferrous metal fraction and, on the other hand, non-magnetic residues containing precious metals.

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