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Life cycle assessment of energy self-sufficiency systems based on agricultural residues for organic arable farms
RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
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2011 (English)In: Bioresource Technology, ISSN 0960-8524, E-ISSN 1873-2976, Vol. 102, no 2, 1425-1432 p.Article in journal (Refereed)
Abstract [en]

The agricultural industry today consumes large amounts of fossil fuels. This study used consequential life cycle assessment (LCA) to analyse two potential energy self-sufficient systems for organic arable farms, based on agricultural residues. The analysis focused on energy balance, resource use and greenhouse gas (GHG) emissions. A scenario based on straw was found to require straw harvest from 25% of the farm area; 45% of the total energy produced from the straw was required for energy carrier production and GHG emissions were reduced by 9% compared with a fossil fuel-based reference scenario. In a scenario based on anaerobic digestion of ley, the corresponding figures were 13%, 24% and 35%. The final result was sensitive to assumptions regarding, e.g., soil carbon content and handling of by-products. © 2010 Elsevier Ltd.

Place, publisher, year, edition, pages
2011. Vol. 102, no 2, 1425-1432 p.
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Agricultural Science, Forestry and Fisheries
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URN: urn:nbn:se:ri:diva-2441DOI: 10.1016/j.biortech.2010.09.068PubMedID: 20970998Scopus ID: 2-s2.0-78650716306OAI: oai:DiVA.org:ri-2441DiVA: diva2:960031
Available from: 2016-09-07 Created: 2016-09-07 Last updated: 2017-11-21Bibliographically approved

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