PET | INNOVATION
“We did not really know what to expect from the first processing and prototyping trials with DePoly’s chemically recycled material,” said Stéphane Morier, Director Project Management of PTI. “The outcome is promising. The quality and perfor- mance of the produced samples are similar to a control made from a virgin PET resin.” Chinese clothing retailer Shein says it has developed a polyester recycling process which can be used for a range of materials, including PET bottles, as part of a collaboration with Donghua University. The process offers greater flexibility in sourcing feedstock, and as a result improves cost efficiency compared to other recycling options Shein uses. The company intends to partner with selected partner fibre manufacturers to scale up the technology which is expected to be made avail- able for large-scale production in June 2025, with targeted production of 3,000 tonnes/yr. “We have invested in the research and develop-
ment of a new polyester recycling process that allows us to incorporate a broader variety of feedstock, achieve better cost efficiencies, and recycle polyester multiple times without compro- mising the material properties,” said Leonard Lin,
President of EMEA, Global Head of Public Affairs, and General Manager of Singapore, Shein. “This will be a critical step towards our goal of reducing our reliance on virgin polyester and supporting a broader industry transition.” Another recently announced partnership is
between Oerlikon Barmag and Evonik which plan to promote the recycling of PET waste leveraging catalytic processes. Both companies say they are committed to developing technologies for efficient depolymerisation and purification processes, coupled with an integrated concept for repolymeri- sation and the associated EPC business models. They say the solution they are working on can be seamlessly integrated into existing PET production processes with minimal investment. The partners plan to launch and commercialise the solution by the end of the decade. “This partnership marks a great step forward in the chemical recycling of PET,” said Max Preisenberger, Head of Catalysts at Evonik. “Our new catalytic processes and chemical technologies will complement the current mechanical recycling approach enabling high recycled PET content from heavily contaminated and mixed PET waste that would otherwise be incinerated or landfilled.”
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