NDLI: Post-consumer waste wood in attributive product LCA : Context specific evaluation of allocation procedures in a functionalistic conception of LCA

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LCA of global supply chains — from production through to end of life management : LCA for the food chain in the region (Session 1) LCA for the waste chain in the region (Session 2)

The International Journal of Life Cycle Assessment : Volume 12, Issue 2, March 2007

The International Journal of Life Cycle Assessment : Volume 12, Issue 1, January 2007

The International Journal of Life Cycle Assessment : Volume 11

The International Journal of Life Cycle Assessment : Volume 10

The International Journal of Life Cycle Assessment : Volume 9

The International Journal of Life Cycle Assessment : Volume 8

The International Journal of Life Cycle Assessment : Volume 7

The International Journal of Life Cycle Assessment : Volume 6

The International Journal of Life Cycle Assessment : Volume 5

The International Journal of Life Cycle Assessment : Volume 4

The International Journal of Life Cycle Assessment : Volume 3

The International Journal of Life Cycle Assessment : Volume 2

Post-consumer waste wood in attributive product LCA : Context specific evaluation of allocation procedures in a functionalistic conception of LCA

Content Provider	Springer Nature Link
Author	Werner, Frank Althaus, Hans Jörg Richter, Klaus Scholz, Roland W.
Copyright Year	2007
Abstract	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.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.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.
Starting Page	160
Ending Page	172
Page Count	13
File Format	PDF
ISSN	09483349
Journal	The International Journal of Life Cycle Assessment
Volume Number	12
Issue Number	3
e-ISSN	16147502
Language	English
Publisher	Ecomed
Publisher Date	2006-05-25
Publisher Place	Landsberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Allocation final disposal life cycle assessment opportunity effects post-consumer waste wood railway sleeper recycling substitution wood Environment Environmental Economics
Content Type	Text
Resource Type	Article
Subject	Environmental Science

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