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MECHANIZED SEPARATION OF MIXED SOLID WASTE AND RECOVERY OF RECYCLABLE PRODUCTS

  • US 20120048975A1
  • Filed: 08/30/2011
  • Published: 03/01/2012
  • Est. Priority Date: 11/24/2010
  • Status: Active Grant
First Claim
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1. A method for recovering recyclable materials from mixed solid waste stream, comprising:

  • providing a mixed waste stream comprising at least one high value recyclable material selected from the group consisting of paper, plastic, and metal, wherein the mixed waste stream includes at least 20% by weight of low value material selected from the group consisting of wet organics, green waste, food waste, grit, fines less than 1 inch, asphalt, concrete, textiles, and wood, rubber, film plastic, PVC, foil, rock, used consumer products, low value glass, composite materials, and combinations of these;

    fractionating the mixed waste stream by size using a size separator to produce a plurality of intermediate waste streams;

    conveying at least a first intermediate waste stream to a sorting apparatus;

    sensing an amount of the intermediate waste stream conveyed to the sorting apparatus and metering conveyance in response thereto; and

    sorting the first intermediate waste streams using the sorting apparatus to produce at least one recyclable product and recovering the at least one recyclable product.

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