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CASE STUDY ON SUSTAINABLE AND SELF-SUFFINCENT AGRICULTURE: INTEGRATING GRASS BIOREFINERY, ANEROBIC DIGESTION AND HYDROTHERMAL LIQUEFACTION
RISE Research Institutes of Sweden, Bioeconomy and Health, Agriculture and Food.ORCID iD: 0009-0006-5870-5099
RISE Research Institutes of Sweden, Bioeconomy and Health, Biorefinery and Energy.ORCID iD: 0009-0005-2811-6069
RISE Research Institutes of Sweden, Bioeconomy and Health, Agriculture and Food.ORCID iD: 0009-0006-2669-2959
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2023 (English)In: Proc of EUBCE 2023, ETA-Florence Renewable Energies , 2023, p. 533-539Conference paper, Published paper (Refereed)
Abstract [en]

The agricultural industry plays a crucial role in transitioning towards a sustainable and fossil-free future. This article explores the potential of biorefineries using biomass from agriculture to reduce emissions and promote self sufficiency. Regarding a concept that integrated anaerobic digestion, grass and legume protein production, and hydrothermal liquefaction. A case study was conducted in the southwestern part of Sweden, involving interviews with a biogas plant and local farmers. The study analyzed the utilization of input goods in agriculture and evaluated the potential of biomass in the area. To assess the potential for farms to become self-sufficient in fuel, protein feed, and plant nutrients. The results show an overall positive outlook of the biorefinery concept. By utilizing 20% of the available biomass in the area can the biorefinery concept annually produce 100 GWh of biogas, 3800 tonnes of grass and legume protein concentrate and 1200 GWh bio-oil. This could theoretically cover 100 % of the need of soy meal, 44% for nitrogen, 50% for phosphorus and 100% for potassium.

Place, publisher, year, edition, pages
ETA-Florence Renewable Energies , 2023. p. 533-539
Keywords [en]
Anaerobic digestion; Bioconversion; Biogas; Farms; Fuel economy; Liquefaction; Proteins; Refining; Agricultural industries; Bio-based products; Biogas plants; Biorefineries; Biorefinery concept; Case-studies; Circular economy; Hydrothermal liquefactions; Plant nutrients; Protein production; Biomass
National Category
Bioenergy
Identifiers
URN: urn:nbn:se:ri:diva-67694Scopus ID: 2-s2.0-85174563317OAI: oai:DiVA.org:ri-67694DiVA, id: diva2:1809503
Conference
European Biomass Conference and Exhibition, EUBCE 2023. Bologna,Italy. 5 June 2023 through 8 June 2023
Note

This publication is part of a project that has received funding from Swedish farmers’ foundation for agricultural research - Stiftelsen Lantbruksforskning.

Available from: 2023-11-03 Created: 2023-11-03 Last updated: 2024-03-18Bibliographically approved

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Fjäll, StephanieEdström, MatsGunnarsson, CarinaWestlin, HugoMyrbeck, Åsa

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