Safety assessment of the process CPE based on the VACUNITE (EREMA basic and Polymetrix SSP V-leaN) technology, used to recycle post-consumer PET into food contact materials

EFSA Panel on Food Contact Materials, Enzymes and Processing Aids (CEP Panel), Maria de Fátima Tavares Poças

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Abstract

The EFSA Panel on Food Contact Materials, Enzymes and Processing Aids (CEP) assessed the safety of the recycling process CPE (EU register number RECYC291), which uses the VACUNITE (EREMA basic and Polymetrix SSP V-leaN) technology. The input is hot caustic washed and dried poly(ethylene terephthalate) (PET) flakes mainly originating from collected post-consumer PET containers, with no more than 5% PET from non-food consumer applications. The flakes are pre-decontaminated in the flakes reactor at high temperature under ----- (step 2) before being extruded, pelletised and crystallised (step 3). The crystallised pellets are then preheated (Step 4) and submitted to solid-state polycondensation (SSP) (step 5) at ----- and ----- and ----- flow. Having examined the challenge tests provided, the Panel concluded that step 2 as well as steps 4 and 5 are critical for determining the decontamination efficiency of the process. The operating parameters to control the performance are temperature, pressure and residence time for steps 2, 4 and 5 as well as the ----- for steps 4 and 5. It was demonstrated that this recycling process is able to ensure that the level of migration of potential unknown contaminants into food is below the conservatively modelled migration of 0.1 μg/kg food. Therefore, the Panel concluded that the recycled PET obtained from this process is not of safety concern, when used at up to 100% for the manufacture of materials and articles for contact with all types of foodstuffs, including drinking water, for long-term storage at room temperature or below, with or without hotfill. The final articles made of this recycled PET are not intended to be used in microwave and conventional ovens and such uses are not covered by this evaluation.
Original languageEnglish
Article numbere08135
Number of pages14
JournalEFSA Journal
Volume21
Issue number8
DOIs
Publication statusPublished - Aug 2023
Externally publishedYes

Keywords

  • CPE-Contek-Pfeiffer Entsorgungsgesellschaft mbH
  • Food contact materials
  • Plastic
  • Poly(ethylene terephthalate) (PET)
  • Recycling process
  • Safety assessment
  • VACUNITE (EREMA basic and Polymetrix SSP V-leaN)

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