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Review of methodological choices in LCA of biorefinery systems - key issues and recommendations
SLU Swedish University of Agricultural Sciences, Sweden.
KTH Royal Institute of Technology, Sweden.
RISE, SP – Sveriges Tekniska Forskningsinstitut, SP Food and Bioscience, Environment. Lund University, Sweden.
SLU Swedish University of Agricultural Sciences, Sweden.
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2015 (English)In: Biofuels, Bioproducts and Biorefining, ISSN 1932-104X, E-ISSN 1932-1031, Vol. 9, no 5, p. 606-619Article in journal (Refereed) Published
Abstract [en]

The current trend in biomass conversion technologies is toward more efficient utilization of biomass feedstock in multiproduct biorefineries. Many life-cycle assessment (LCA) studies of biorefinery systems have been performed but differ in how they use the LCA methodology. Based on a review of existing LCA standards and guidelines, this paper provides recommendations on how to handle key methodological issues when performing LCA studies of biorefinery systems. Six key issues were identified: (i) goal definition, (ii) functional unit, (iii) allocation of biorefinery outputs, (iv) allocation of biomass feedstock, (v) land use, and (vi) biogenic carbon and timing of emissions. Many of the standards and guidelines reviewed here provide only general methodological recommendations. Some make more specific methodological recommendations, but these often differ between standards. In this paper we present some clarifications (e.g. examples of research questions and suitable functional units) and methodological recommendations (e.g. on allocation).

Place, publisher, year, edition, pages
2015. Vol. 9, no 5, p. 606-619
Keywords [en]
Allocation, Biogenic carbon, Biorefinery, Functional unit, Land use, Life cycle assessment, Review
National Category
Natural Sciences
Identifiers
URN: urn:nbn:se:ri:diva-6915DOI: 10.1002/bbb.1563Local ID: 30809OAI: oai:DiVA.org:ri-6915DiVA, id: diva2:964757
Available from: 2016-09-08 Created: 2016-09-08 Last updated: 2019-07-09Bibliographically approved

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Berlin, Johanna

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