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    Unpacking the complexity of the PET drink bottles value chain: A chemicals perspective

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    Main Article (3.849Mb)
    Date
    2022-03-04
    Author
    Spyridoula, Gerassimidou
    Lanska, Paulina
    Hahladakis, John N.
    Lovat, Elena
    Vanzetto, Silvia
    Geueke, Birgit
    Groh, Ksenia J.
    Muncke, Jane
    Maffini, Maricel
    Martin, Olwenn V.
    Iacovidou, Eleni
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    Abstract
    Chemicals can migrate from polyethylene terephthalate (PET) drink bottles to their content and recycling processes may concentrate or introduce new chemicals to the PET value chain. Therefore, even though recycling PET bottles is key in reducing plastic pollution, it may raise concerns about safety and quality. This study provides a systematic evidence map of the food contact chemicals (FCCs) that migrate from PET drink bottles aiming to identify challenges in closing the plastic packaging loop. The migration potential of 193 FCCs has been investigated across the PET drink bottles lifecycle, of which 150 have been detected to migrate from PET bottles into food simulants/food samples. The study reveals that much research has focused on the migration of antimony (Sb), acetaldehyde and some well-known endocrine-disrupting chemicals (EDCs). It indicates and discusses the key influential factors on FCCs migration, such as physical characteristics and geographical origin of PET bottles, storage conditions, and reprocessing efficiency . Although, safety and quality implications arising from the recycling of PET bottles remain underexplored, the higher migration of Sb and Bishphenol A has been reported in recycled (rPET) compared to virgin PET. This is attributed to multiple contamination sources and the variability in the collection, sorting, and decontamination efficiency. Better collaboration among stakeholders across the entire PET bottles lifecycle is needed to ensure sustainable resource management and food contact safety of rPET.
    URI
    https://www.sciencedirect.com/science/article/pii/S0304389422001984
    DOI/handle
    http://dx.doi.org/10.1016/j.jhazmat.2022.128410
    http://hdl.handle.net/10576/28041
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