Closed-Loop Concept: From Coffee Grounds to a Coffee Mug

Making new coffee cups from coffee grounds: The Danish startup Grounded Cups has brought this idea to mass production. An injection-moldable compound, automated processes, and a closed-loop concept form the basis for producing millions of units

An unusual material concept emerged from an everyday observation: While studying engineering, Tynus and Marcus Byrgesen noticed the large amounts…

Full text: https://www.polyformnext.de/sustainable-materials/closed-loop-concept-from-coffee-grounds-to-a-coffee-mug.htm

Author

Annina Schopen

Source

PolyForm NEXT, 2026-09-18.

Supplier

Arburg BV
Grounded Cups
J. Krebs and Co.

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