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Extrusion and melt degassing

For the bottle-to-bottle PET recycling process we have developed extrusion and degassing concepts in which multiple or single shaft extruders are used. Our process concepts can be individually optimized to obtain clean recycling material to suit the specific requirements and regulations governing food processing.

Features

  • FDA, EFSA, etc. and brand owner acceptance
  • No or limited PET flakes drying to avoid discoloration 
  • Short residence time in the melt to avoid discoloration, black spot formation and the generation of volatile contaminants
  • Efficient degassing of polymer via vacuum system for better polymer decontamination
  • Low energy consumption

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