Published April 1, 2025 | Version v1
Conference paper Open

Fertilisers from fish processing and aquaculture production waste: An ecofriendly alternative for crop production?

Authors/Creators

  • 1. ROR icon Forschungsinstitut für Biologischen Landbau
  • 2. Institut National Polytechnique de Toulouse: Toulouse, Midi-Pyrénées, France
  • 3. ROR icon Institut National Polytechnique de Toulouse
  • 4. ISQ
  • 5. ROR icon Instituto de Soldadura e Qualidade
  • 6. AZTI

Description

The production of mineral fertilisers causes several sustainability issues: while the manufacturing of nitrogen fertilisers requires high energy input, phosphorus fertilisers depend on the extraction of phosphate rock from finite deposits (Zhang, Akyol, and Meers 2023). In a circular economy, fertiliser production should thus be shifted towards the valorisation of so far unused biowaste streams from various sources (Chojnacka, Moustakas, and Witek-Krowiak 2020; Zhang, Akyol, and Meers 2023). An increasingly important waste stream originates from fish processing and aquaculture production. In this study, we analyse the environmental impacts of the production and application of bio-based fertilisers (BBFs) produced from fish processing and aquaculture waste and compare them to the production and use of mineral fertiliser. 

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Additional details

Funding

European Commission
SEA2LAND - Producing advanced bio-based fertilizers from fisheries wastes 101000402