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Review of methodological choices in LCA of biorefinery systems - key issues and recommendations

Ahlgren, Serina and Björklund, Anna and Ekman, Anna and Karlsson, Hanna and Berlin, Johanna and Börjesson, Pål and Ekvall, Tomas and Finnveden, Göran and Janssen, Matty and Strid, Ingrid (2015). Review of methodological choices in LCA of biorefinery systems - key issues and recommendations. Biofuels, bioproducts & biorefining. 9:5, 606-619
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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/bbb.156...

Abstract

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). (C) 2015 Society of Chemical Industry and John Wiley & Sons, Ltd

Authors/Creators:Ahlgren, Serina and Björklund, Anna and Ekman, Anna and Karlsson, Hanna and Berlin, Johanna and Börjesson, Pål and Ekvall, Tomas and Finnveden, Göran and Janssen, Matty and Strid, Ingrid
Title:Review of methodological choices in LCA of biorefinery systems - key issues and recommendations
Series/Journal:Biofuels, bioproducts & biorefining (1932-1031)
Year of publishing :15 September 2015
Volume:9
Number:5
Page range:606-619
Number of Pages:14
Publisher:Wiley & Sons
ISSN:1932-1031
Language:English
Publication Type:Article Review/Survey
Refereed:Yes
Article category:Scientific peer reviewed
Version:Accepted version
Full Text Status:Public
Agris subject categories.:P Natural resources > P06 Renewable energy resources
Subjects:(A) Swedish standard research categories 2011 > 1 Natural sciences > 105 Earth and Related Environmental Sciences > Environmental Sciences (social aspects to be 507)
Agrovoc terms:biomass, life cycle
Keywords:biorefinery, life cycle assessment, functional unit, allocation, land use, biogenic carbon, review
URN:NBN:urn:nbn:se:slu:epsilon-e-3397
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-3397
Additional ID:
Type of IDID
Web of Science (WoS)000362748200022
DOI10.1002/bbb.1563
ID Code:13291
Faculty:NJ - Fakulteten för naturresurser och jordbruksvetenskap
Department:(NL, NJ) > Dept. of Energy and Technology
Deposited By: SLUpub Connector
Deposited On:25 Apr 2016 09:50
Metadata Last Modified:16 Sep 2016 23:15

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