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supersort®

supersort®metal

supersort®metal is a dry-physical process for purifying non-ferrous metal concentrates, shredder residues and other metal containing wastes

With the goal of enhanced metal recycling, DHZ commissioned the supersortmetal plant in September 2016. The new plant purifies non-ferrous metal concentrates from supersort, supersortfine and other MSWI bottom ash treatment plants to create high-grade metal fractions. Using different dry mechanical separation processes and state-of-the-art technology, it separates the concentrates into light non-ferrous metals and heavy nonferrous metals. The unique plant closes the gap between smelters and conventional bottom ash treatment installations, yielding pure metal fractions which can be processed directly by smelters.

The supersortmetal process recovers metals efficiently and produces consistently high-quality secondary raw materials. The light metal fractions contain mainly aluminium and aluminium alloys while the heavy fraction is a mixture of copper, brass, zinc, stainless steel and lead, but also contains precious metals such as gold and silver. The resulting non-ferrous metals are dry and boast a metal content of more than 98%.

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Processing:

  • Non-ferrous concentrate from supersort® and supersort®fine
  • Non-ferrous metals from recycling plants
  • Shredder light fraction (SLF)
  • Shredder heavy fraction (SHF)
  • Other metal-containing waste

Operation figure:

  • Launch summer 2016
  • Processing line I: 8 – 100 mm
  • Processing line II: 0 – 10 mm
  • Max. productivity per year: 100’000 mt (3 shifts a day)
  • Dedusting: > 300’000 m3/hr

The schematic illustration of the supersort®metal process:

Material Flow Diagram
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