
The Circular Economy Show Podcast HolyGrail: see it, sort it, scale it
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Sep 30, 2025 In this discussion, Sarah Dodge from the Ellen MacArthur Foundation shares strategies for businesses to collaborate on circular solutions. Gian De Belder from Procter & Gamble delves into the transformative power of digital watermarks for recycling. Margherita Trombetti highlights her role in coordinating the HolyGrail initiative's evolution from 31 to 176 participants, facilitating data sharing while maintaining competition compliance. Sander Defruyt emphasizes the need for cross-value collaboration to achieve scaling and address the circular economy's challenges.
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Use Four Collaboration Pathways
- Pool resources to accelerate innovation, aggregate demand, build infrastructure, or drive customer adoption.
- Use these four pathways to create commercial collaborations that reduce costs and build market trust.
HolyGrail Brought The Value Chain Together
- HolyGrail brought the full packaging value chain together to test digital watermark technology.
- Early workshops attracted dozens of organisations to explore the technology's potential.
Watermarks Enable Article-Level Sorting
- Digital watermarks act as a digital product passport on each item, enabling article-level sortation.
- This makes previously unmet separations, like food vs non-food polyolefins, possible at scale.
