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dc.contributor.author
Werner, Frank
dc.contributor.author
Althaus, Hans-Jörg
dc.contributor.author
Richter, Klaus
dc.contributor.author
Scholz, Roland W.
dc.date.accessioned
2022-12-14T08:21:15Z
dc.date.available
2017-06-08T16:06:19Z
dc.date.available
2022-12-14T08:21:15Z
dc.date.issued
2007-05
dc.identifier.issn
0948-3349
dc.identifier.issn
1614-7502
dc.identifier.other
10.1065/lca2006.05.249
en_US
dc.identifier.uri
http://hdl.handle.net/20.500.11850/3062
dc.description.abstract
Background In product life cycle assessment (LCA), the attribution of environmental interventions to a product under study is an ambiguous task. This is due to a) the simplistic modeling characteristics in the life cycle inventory step (LCI) of LCA in view of the complexity of our techno-economic system, and b) to the nontangible theoretical nature of the product system as a representation of the processes ‘causally’ linked to a product. Ambiguous methodological decisions during the setup of an LCI include the modeling of end-of-life scenarios or the choice of an allocation factor for the allocation of joint co-production processes. An important criterion for methodological decisions — besides the conformity with the relevant series of standards ISO 14 040 — is if the improvement options, which can be deduced from the LCI, are perceived by the decision-maker as to redirect the material flows at stake into more sustainable paths. Methods From this functionalistic conception of LCA, this article develops a set of wood-specific requirements, an LCI of wood products has to fulfill to give adequate decision support under Central European conditions. These requirements serve as a basis for the evaluation of different allocation procedures in a case study related to the modeling of end-of-life scenarios in a product LCA of wood products. The case study discusses how the recycling and incineration of a creosote-treated railway sleeper (Am. tie) are modeled according to various methodological propositions for the solution of the allocation problems related to recycling and final disposal. A partial life cycle model of the railway sleeper demonstrates the effect of the different allocation procedures to the over-all result. Results and Discussion The most important conclusion — apart from proposing a functionalistic approach to solve allocation problems — is that under Central European conditions both the material and energy aspects of wood and the related substitution and opportunity effects (opportunity ‘cost’) should be considered for the modeling of post-consumer waste wood in attributive product LCA, even when comparing products made of different materials.
en_US
dc.language.iso
en
en_US
dc.publisher
Springer
en_US
dc.subject
Allocation final
en_US
dc.subject
disposal
en_US
dc.subject
life cycle assessment
en_US
dc.subject
opportunity effects
en_US
dc.subject
post-consumer waste wood
en_US
dc.subject
railway sleeper
en_US
dc.subject
recycling
en_US
dc.subject
substitution
en_US
dc.subject
wood
en_US
dc.title
Post-Consumer Waste Wood in Attributive Product LCA
en_US
dc.type
Journal Article
dc.date.published
2006-05-25
ethz.title.subtitle
Context specific evaluation of allocation procedures in a functionalistic conception of LCA
en_US
ethz.journal.title
The International Journal of Life Cycle Assessment
ethz.journal.volume
12
en_US
ethz.journal.issue
3
en_US
ethz.journal.abbreviated
Int J Life Cycle Assess
ethz.pages.start
160
en_US
ethz.pages.end
172
en_US
ethz.identifier.nebis
001546331
ethz.publication.place
Landsberg
en_US
ethz.publication.status
published
en_US
ethz.leitzahl
03400 - Scholz, Roland W.
en_US
ethz.leitzahl.certified
03400 - Scholz, Roland W.
ethz.date.deposited
2017-06-08T16:06:44Z
ethz.source
ECIT
ethz.identifier.importid
imp59364b5f6ab0844493
ethz.ecitpid
pub:13038
ethz.eth
yes
en_US
ethz.availability
Metadata only
en_US
ethz.rosetta.installDate
2017-07-15T09:14:51Z
ethz.rosetta.lastUpdated
2021-02-14T04:22:39Z
ethz.rosetta.exportRequired
true
ethz.rosetta.versionExported
true
ethz.COinS
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