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InterFlow

The integrated flow of nutrient dense fish farm wastewater for bioremediation and generation of high value seaweed biomass used to eradicate cow methane emissions

PROJECT INFO:

DURATION: 
2025-2026
 
FUNDING:
The Mission Partnership 
 

PARTNERS:
Technical Maripure ApS, Technical University of Denmark, FORCE 

CHALLENGE

Nutrient‑rich wastewater and methane emissions from livestock production

TECHNOLOGY

Seaweed production from wastewater for bioremediation and feed innovation

POTENTIAL

Reduces emissions while creating sustainable, circular production systems

InterFlow is transforming wastewater into a climate solution by enabling the sustainable production of seaweed-based cattle feed that can significantly reduce methane emissions. By recycling nutrients from aquaculture wastewater to grow seaweed, the project combines lower-emission feed production with water treatment, creating a scalable circular solution that supports both agricultural and climate goals.

Goal

  • Demonstrate a circular production model at an industrially relevant scale through producing high-value seaweed biomass from nutrient dense fish farm wastewater that can be used to eradicate cow methane emissions.
  • Aims to build a bridge between sustainable aquaculture and cattle production with a targeted triple green benefit:
    • avoided emissions in wastewater treatment
    • bioremediated nutrient load from the wastewater
    • optimised methane reducing cattle feed


Plan

  • Wastewater nutrient load baseline mapping
  • Optimise biomass yield and bioremediation performance at industrially relevant demonstration scale
  • Quantify bioremediation and carbon capture potential
  • Develop commercial upscaling plan


Expected results

  • Evaluation of potential at an industrial demonstration scale – 50m3 / hour wastewater and 300,000L macroalgae production
  • Business model innovation – ecosystem services, and mitigated production costs unlocking uptake potential – via quantification and value of bioremediated water – nitrogen (N) and phosphorous (P) removal, and quantification of biomass production cost improvements through yield and cost of goods.
  • Replicability across existing and new land-based aquaculture facilities
PARTNERS:
Reach out to learn more about your funding opportunities:

Looking for funding opportunities for your innovation project?

The project is part of the Mission Partnership, and the funding is provided by Innovation Fund Denmark.

We continuously open new calls and programmes that support innovation within food and bioresources.

Get more information about the Mission Partnership See other funding opportunities
Mette Kallestrup Spring

Mette Kallestrup Spring

Program Manager (mission partnership)
mesp@foodbiocluster.dk
2181 8858
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