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How do we turn animal by-products into valuable resources for a circular bioeconomy? The first Circularis BioCluster technical webinar brought together three Horizon Europe projects to share early results, tools, and biotechnological pathways that are already moving waste up the value chain.
A shared vision for circular bioeconomy
On 22 October 2025, we hosted the first technical webinar of the Circularis BioCluster, a collaborative initiative uniting VALORISH, ONE EARTH, and PROMISEANG. Despite working with different animal-derived side streams, the three projects share a common goal: valorising underutilised biomass through biotechnology to support a sustainable and competitive European bioeconomy.
Highlights
VALORISH showcased its computationally assisted biorefinery approach to convert fish processing by-products into fish oils, bioactive peptides, and collagen. By combining advanced extraction technologies with in silico screening of enzymes and microbial strains, the project is accelerating the selection of the most promising valorisation pathways—saving time, resources, and a fair amount of trial-and-error.
ONE EARTH presented its work on valorising by-products from poultry, dairy, and fish sectors. From keratin-rich residues to cheese whey, the project demonstrated multiple biotechnological routes producing peptides, volatile fatty acids, fertilisers, biochar, and feed ingredients. Several processes are already moving from lab scale towards pilot-scale implementation, bringing circular solutions closer to real-world application.
PROMISEANG focused on the production of microbial protein from marine by-products, including tuna waste and macroalgae. Early results confirmed high protein content and compliance with food and feed safety requirements, highlighting the strong potential of these side streams as sustainable fermentation substrates.
Why watch the full webinar?
This article only scratches the surface. The webinar dives deeper into:
- real data and early scientific results,
- concrete biotechnological pathways,
- and synergies across projects that strengthen impact and scalability.