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Circular Economy

GR3N Secures €15.5M for PET Recycling

Swiss cleantech firm GR3N has raised €15.5 million in Series B funding to scale its PET and polyester chemical recycling technology. This investment underscores continued focus on advanced solutions for plastic waste management within the circular economy.

4 · Saturday, 6 June 2026

Swiss cleantech firm GR3N has secured €15.5 million in Series B funding, an investment aimed at scaling its advanced PET and polyester chemical recycling technology. This significant financial injection, reported by Tech.eu, underscores a sustained focus on developing and deploying innovative solutions for plastic waste management within the circular economy.

The funding will accelerate GR3N's efforts to industrialise its chemical recycling process. This technology is crucial for breaking down discarded PET and polyester, including hard-to-recycle textiles and packaging, into their constituent monomers. These monomers can then be used to produce new, virgin-quality plastics, effectively closing the loop on these materials. Such advanced recycling methods are vital for reducing reliance on fossil resources and minimising the environmental footprint of plastic production.

The successful Series B round reflects a growing investor appetite for technologies that offer tangible pathways to a more circular economy. It highlights the increasing recognition of chemical recycling's role in addressing the global plastic waste crisis, particularly for materials that are challenging to process through mechanical recycling alone. This investment signals continued momentum in the cleantech sector towards scalable and sustainable solutions for resource recovery.

By enabling the infinite recycling of PET and polyester, GR3N's technology contributes directly to broader environmental objectives, including reducing landfill waste and promoting resource efficiency. The scaling of such advanced solutions is essential for transitioning industries towards sustainable production and consumption models.

What this means: This investment highlights ongoing efforts to advance circular economy principles through innovative recycling technologies, directly addressing the challenges of plastic waste within the European cleantech sector.

Sources

  • [1] OrganisationGR3N
  • [2] OrganisationTech.eu