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Review of methodological choices in LCA of biorefinery systems: key issues and recommendations
Swedish University of Agricultural Sciences.
KTH, School of Architecture and the Built Environment (ABE), Sustainable development, Environmental science and Engineering, Environmental Strategies Research (fms).ORCID iD: 0000-0002-5535-6368
SP Technical Research Institute of Sweden.
Swedish University of Agricultural Sciences.
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2015 (English)In: Biofuels, Bioproducts and Biorefining, ISSN 1932-104X, E-ISSN 1932-1031, Vol. 9, no 5, 606-619 p.Article 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, 606-619 p.
National Category
Environmental Sciences
Research subject
Industrial Ecology
URN: urn:nbn:se:kth:diva-165886DOI: 10.1002/bbb.1563ISI: 000362748200022ScopusID: 2-s2.0-84941735953OAI: diva2:808972

QC 20151103

Available from: 2015-04-30 Created: 2015-04-30 Last updated: 2015-11-03Bibliographically approved

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Björklund, Anna
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Environmental Strategies Research (fms)
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