Safety assessment of the process ‘Coexpan Montonate’, based on Starlinger Decon technology, used to recycle post-consumer PET into food contact materials

Flavourings and Processing Aids (CEF) EFSA Panel on Food Contact Materials Enzymes, Vittorio Silano, Claudia Bolognesi, Laurence Castle, Jean-Pierre Cravedi, Karl-Heinz Engel, Paul Fowler, Konrad Grob, Rainer Gürtler, Trine Husøy, Sirpa Kärenlampi, Wim Mennes, André Penninks, Andrew Smith, Maria de Fátima Tavares Poças, Christina Tlustos, Detlef Wölfle, Holger Zorn, Corina-Aurelia Zugravu, Vincent Dudler & 7 others Nathalie Gontard, Eugenia Lampi, Cristina Nerin, Constantine Papaspyrides, Cristina Croera , Katharina Volk, Maria Rosaria Milana

Research output: Contribution to specialist publicationArticle

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Abstract

This scientific opinion of the EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids deals with the safety evaluation of the recycling process Coexpan Montonate (EU register No RECYC0141), which is based on the Starlinger Decon technology. The decontamination efficiency of the process was demonstrated by a challenge test. The input of this process is washed and dried poly(ethylene terephthalate) (PET) flakes originating from collected post-consumer PET containers, mainly bottles, containing no more than 5% of PET from non-food consumer applications. In this technology, washed and dried PET flakes are preheated before being submitted to solid-state polycondensation (SSP) in a continuous reactor at high temperature under vacuum and gas flow. Having examined the challenge test provided, the Panel concluded that the preheating (step 2) and the decontamination in the continuous SSP reactor (step 3) are the critical steps that determine the decontamination efficiency of the process. The operating parameters that control their performance are well defined and are temperature, pressure, residence time and gas flow for step 2 and 3. Under these conditions, it was demonstrated that the recycling process under evaluation, using the Starlinger Decon technology, is able to ensure that the level of migration of potential unknown contaminants into food is below a conservatively modelled migration of 0.1 μg/kg food. Therefore, the Panel concluded that the recycled PET obtained from this process intended to be used up to 100% for the manufacture of materials and articles for contact with all types of foodstuffs for long-term storage at room temperature, with or without hotfill, is not considered of safety concern. Trays made of this PET are not intended to be used, and should not to be used in microwave and conventional ovens.
Original languageEnglish
Pagese04848
Volume15
No.6
Specialist publicationEFSA Journal
PublisherEuropean Food Safety Authority (EFSA)
DOIs
Publication statusPublished - Jun 2017

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Decontamination
Polycondensation
Flow of gases
Recycling
Polyethylene Terephthalates
Preheating
Bottles
Ovens
Temperature
Containers
Microwaves
Vacuum
Impurities
Enzymes
Processing

Keywords

  • Starlinger Decon technology
  • Coexpan Montonate
  • food contact materials
  • plastic
  • poly(ethylene terephthalate) (PET)
  • recycling process
  • safety assessment

Cite this

EFSA Panel on Food Contact Materials Enzymes, F. A. P. A. CEF., Silano, V., Bolognesi, C., Castle, L., Cravedi, J-P., Engel, K-H., ... Milana, M. R. (2017). Safety assessment of the process ‘Coexpan Montonate’, based on Starlinger Decon technology, used to recycle post-consumer PET into food contact materials. EFSA Journal, 15(6), e04848. https://doi.org/10.2903/j.efsa.2017.4848

Safety assessment of the process ‘Coexpan Montonate’, based on Starlinger Decon technology, used to recycle post-consumer PET into food contact materials. / EFSA Panel on Food Contact Materials Enzymes, Flavourings and Processing Aids (CEF); Silano, Vittorio; Bolognesi, Claudia; Castle, Laurence; Cravedi, Jean-Pierre; Engel, Karl-Heinz; Fowler, Paul; Grob, Konrad; Gürtler, Rainer; Husøy, Trine; Kärenlampi, Sirpa; Mennes, Wim; Penninks, André; Smith, Andrew; Tavares Poças, Maria de Fátima; Tlustos, Christina; Wölfle, Detlef; Zorn, Holger; Zugravu, Corina-Aurelia; Dudler, Vincent; Gontard, Nathalie; Lampi, Eugenia; Nerin, Cristina; Papaspyrides, Constantine; Croera , Cristina; Volk, Katharina; Milana, Maria Rosaria.

In: EFSA Journal, Vol. 15, No. 6, 06.2017, p. e04848.

Research output: Contribution to specialist publicationArticle

EFSA Panel on Food Contact Materials Enzymes, FAPACEF, Silano, V, Bolognesi, C, Castle, L, Cravedi, J-P, Engel, K-H, Fowler, P, Grob, K, Gürtler, R, Husøy, T, Kärenlampi, S, Mennes, W, Penninks, A, Smith, A, Tavares Poças, MDF, Tlustos, C, Wölfle, D, Zorn, H, Zugravu, C-A, Dudler, V, Gontard, N, Lampi, E, Nerin, C, Papaspyrides, C, Croera , C, Volk, K & Milana, MR 2017, 'Safety assessment of the process ‘Coexpan Montonate’, based on Starlinger Decon technology, used to recycle post-consumer PET into food contact materials' EFSA Journal, vol. 15, no. 6, pp. e04848. https://doi.org/10.2903/j.efsa.2017.4848
EFSA Panel on Food Contact Materials Enzymes FAPACEF, Silano V, Bolognesi C, Castle L, Cravedi J-P, Engel K-H et al. Safety assessment of the process ‘Coexpan Montonate’, based on Starlinger Decon technology, used to recycle post-consumer PET into food contact materials. EFSA Journal. 2017 Jun;15(6):e04848. https://doi.org/10.2903/j.efsa.2017.4848
EFSA Panel on Food Contact Materials Enzymes, Flavourings and Processing Aids (CEF) ; Silano, Vittorio ; Bolognesi, Claudia ; Castle, Laurence ; Cravedi, Jean-Pierre ; Engel, Karl-Heinz ; Fowler, Paul ; Grob, Konrad ; Gürtler, Rainer ; Husøy, Trine ; Kärenlampi, Sirpa ; Mennes, Wim ; Penninks, André ; Smith, Andrew ; Tavares Poças, Maria de Fátima ; Tlustos, Christina ; Wölfle, Detlef ; Zorn, Holger ; Zugravu, Corina-Aurelia ; Dudler, Vincent ; Gontard, Nathalie ; Lampi, Eugenia ; Nerin, Cristina ; Papaspyrides, Constantine ; Croera , Cristina ; Volk, Katharina ; Milana, Maria Rosaria. / Safety assessment of the process ‘Coexpan Montonate’, based on Starlinger Decon technology, used to recycle post-consumer PET into food contact materials. In: EFSA Journal. 2017 ; Vol. 15, No. 6. pp. e04848.
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abstract = "This scientific opinion of the EFSA Panel on Food Contact Materials, Enzymes, Flavourings and Processing Aids deals with the safety evaluation of the recycling process Coexpan Montonate (EU register No RECYC0141), which is based on the Starlinger Decon technology. The decontamination efficiency of the process was demonstrated by a challenge test. The input of this process is washed and dried poly(ethylene terephthalate) (PET) flakes originating from collected post-consumer PET containers, mainly bottles, containing no more than 5{\%} of PET from non-food consumer applications. In this technology, washed and dried PET flakes are preheated before being submitted to solid-state polycondensation (SSP) in a continuous reactor at high temperature under vacuum and gas flow. Having examined the challenge test provided, the Panel concluded that the preheating (step 2) and the decontamination in the continuous SSP reactor (step 3) are the critical steps that determine the decontamination efficiency of the process. The operating parameters that control their performance are well defined and are temperature, pressure, residence time and gas flow for step 2 and 3. Under these conditions, it was demonstrated that the recycling process under evaluation, using the Starlinger Decon technology, is able to ensure that the level of migration of potential unknown contaminants into food is below a conservatively modelled migration of 0.1 μg/kg food. Therefore, the Panel concluded that the recycled PET obtained from this process intended to be used up to 100{\%} for the manufacture of materials and articles for contact with all types of foodstuffs for long-term storage at room temperature, with or without hotfill, is not considered of safety concern. Trays made of this PET are not intended to be used, and should not to be used in microwave and conventional ovens.",
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