RIGID PACKAGING | INNOVATION
decontamination on a semi-industrial pilot based on off-the-shelf mechanical recycling technologies. TotalEnergies was then able to produce odourless, clean recycled PP suitable for high-end packaging applications. Alban Cotard, Sales Quality and Development Manager at Valorplast, said: “Being able to recycle food-grade PP is a key factor in the establishment of a circular economy for PP packaging. AI is a promising route for achieving this objective.”
Filtration focus Impurities are a major challenge in all recycling methods as they hamper the process and compro- mise the quality of recyclate. Plastic waste often contains dirt, oils, and mixed polymers that drasti- cally reduce the usability of recyclates if they cannot be removed from the melt. One solution currently on the market is the new ZSK Filco filtration com- pounder from Coperion which removes such impurities by melting the material and feeding it through a series of filters. The ZSK Filco is designed to handle various types of impurities and produces recycled material with high purity that can be used in various applications. The life cycle of PP and HDPE is thus extended, and demand for virgin material drops, the company says. The ZSK Filco also takes over the application- specific enhancement of the material by com- pounding it with fillers and additives. Since all three processes take place in a single process step, the raw material only needs to be melted once. This reduces the mechanical and thermal stress on the plastic versus conventional two-step processes in which the waste plastic is melted and cooled separately for the filtration and compounding steps. Polyolefins producer Borealis is installing a semi-commercial demonstration compounding line in Beringen, Belgium. The line, which will utilise the company’s proprietary Borcycle M technology to transform mechanically recycled post-consumer
waste into high-quality rigid PP and PE materials is expected to be fully operational in the first half of 2025 and will be capable of processing a broad range of flakes from both PP and HDPE waste sources, offering exceptional versatility and flexibility. “At Borealis, we are dedicated to support- ing our customers to meet their sustainability goals while maintaining exceptionally high quality standards,” said Mirjam Mayer, vice president Circular Economy Solutions. “This represents another step in Borealis’ EverMinds ambition to deepen our expertise in giving plastic waste a new life in high-value applications.”
CLICK ON THE LINKS FOR MORE INFORMATION: �
www.greiner-gpi.com �
www.krones.com �
www.siegwerk.com �
https://masterpress.com �
www.gneuss.com �
www.tomra.com �
https://greenpathrecovery.com �
www.polymers.totalenergies.com �
www.valorplast.com �
https://recycleye.com �
www.coperion.com �
www.borealisgroup.com
Above: PP flakes are one of the target materials for the ZSK Filco filtration
compounder from Coperion
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IMAGE: COPERION
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