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Concentrated Phosphorus Recovery from Food Grade Animal Bones

Author

Listed:
  • Edward Someus

    (Terra Humana Ltd., Biofarm Agri Research Station, Kajászó H-2472, Hungary)

  • Massimo Pugliese

    (Università Degli Studi di Torino, Agroinnova and DISAFA, Grugliasco (TO) 10095, Italy)

Abstract

Disrupted nutrient recycling is a significant problem for Europe, while phosphorus and nitrogen are wasted instead of being used for plant nutrition. Mineral phosphate is a critical raw material, which may contain environmentally hazardous elements such as cadmium and uranium. Therefore, phosphorus recovery from agricultural and food industrial by-product streams is a critically important key priority. Phosphorus recovery from food grade animal bone by-products have been researched since 2002 and a specific zero emission autothermal carbonization system, called 3R, has been developed in economical industrial scale, providing the animal bone char product (ABC) as output. Different animal bone by-products were tested under different conditions at 400 kg/h throughput capacity in the continuously operated 3R system. Different material core treatment temperatures (between >300 °C and <850 °C) were combined with different residence times under industrial productive processing conditions. It was demonstrated that material core treatment temperature <850 °C with 20 min residence time is necessary to achieve high quality ABC with useful agronomic value. The output ABC product has concentrated >30% phosphorus pentoxide (P 2 O 5 ), making it a high quality innovative fertilizer.

Suggested Citation

  • Edward Someus & Massimo Pugliese, 2018. "Concentrated Phosphorus Recovery from Food Grade Animal Bones," Sustainability, MDPI, vol. 10(7), pages 1-17, July.
    • Handle: RePEc:gam:jsusta:v:10:y:2018:i:7:p:2349-:d:156557
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    Citations

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    Cited by:

    1. Aleksandra Załuszniewska & Anna Nogalska, 2022. "The Effect of Meat and Bone Meal (MBM) on Phosphorus (P) Content and Uptake by Crops, and Soil Available P Balance in a Six-Year Field Experiment," Sustainability, MDPI, vol. 14(5), pages 1-12, March.
    2. João Pinto & Rui Boavida-Dias & Henrique A. Matos & João Azevedo, 2022. "Analysis of the Food Loss and Waste Valorisation of Animal By-Products from the Retail Sector," Sustainability, MDPI, vol. 14(5), pages 1-27, February.
    3. Gerald Steiner & Bernhard Geissler, 2018. "Sustainable Mineral Resource Management—Insights into the Case of Phosphorus," Sustainability, MDPI, vol. 10(8), pages 1-8, August.
    4. Szilvia Joó & Tünde Kuti & Csaba Baár & Andras Sebők & Florian Paillet & Eric Trably & Mechthild Donner & Hugo De Vries & Nathalie Gontard & Anne Verniquet & Annamaria Celli & Katrin Kayser & Burkhard, 2020. "NOAW project deliverable 7.3: Best-practice guidelines for farms and businesses on agricultural waste management," Working Papers hal-03346874, HAL.

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