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PARILAS - QUALITY ALUMINIUM RECYCLING (PARILAS)

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The objective of PARILAS is a pilot demonstration of a next generation high performance aluminium recycling based on material grade specific sorting using inline laser identification. The light metal fraction of shredder scrap is a mixture of wrought and cast aluminium alloys. A high level recycling scheme is achievable if this mixture can be separated into cast and wrought fractions, and the wrought fractions further allocated to alloy types to provide high quality input material for remelters and refiners. With well characterized recycled aluminium alloy fractions current limitations of the process guidance in remelting and refining lines for the production of secondary aluminium can be overcome. The goal is to further improve the quality and widen the applicability of secondary aluminium.

Benefits

Industrial and municipal solid waste processors to recover more metal economically by providing a market for low grade mixed scrap. Reduction of remelt losses by providing clean, dry and decoated scrap input to the remelt furnaces.
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Results

  • Demonstration of the economic feasibility of high performance aluminium recycling based on single particle sorting using laser technology
  • Sorting of 20 to 200 tons per day (depending on scrap sizes)
  • Sorting correctness > 90 % for the separation of wrought and cast alloys at a system availability of > 90 %
  • At a sorting margin of ~125 €/ton for an alloy grade sorted fraction compared to a mixed Al fraction, the potential net gain of one PARILAS system per year amounts to 1.3 million € at an output of 56 t/day.
  • The potential to reduce CO2-emissions is estimated to about 1.2 mill. tons per year assuming 10 installed PARILAS systems in Europe.
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Contact

Lehrstuhl für Lasertechnik, RWTH Aachen (University Aachen)
Steinbachstr. 15
52074 AachenKöln
Germany
Contact point: 
Name: 
Mr Reinhard Noll
Tel: 
+49-241-8906-138

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In brief

Sector:
Recycling
Duration:
17/06/2010 to 16/06/2012
Contract number: 
ECO/09/256174

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