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System analysis and life cycle assessment of forest supply chains with integrated biomass production

De La Fuente Diez, Maria Teresa (2017). System analysis and life cycle assessment of forest supply chains with integrated biomass production. Diss. (sammanfattning/summary) Umeå : Sveriges lantbruksuniv., Acta Universitatis agriculturae Sueciae, 1652-6880 ; 2017:54
ISBN 978-91-576-8881-1
eISBN 978-91-576-8882-8
[Doctoral thesis]

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Abstract

Forests are essential suppliers of raw materials for industrial products and renewable energy, which can help mitigate climate change. In Europe, the market for forest bioenergy and other wood products is expected to continue growing in the future. Therefore, new procurement methods and assortments with high energy efficiencies and low greenhouse gas (GHG) emissions are required from a climate change perspective. One alternative to current conventional supply chains is utilizing integrated supply chains where residual forest biomass is harvested and transported together with stemwood. Additionally, mobile production systems, such as small-scale mobile pellet plants that are situated close to the raw material source, could increase the efficiency of residual forest biomass supply chains, especially in regions with long transportation distances to industry. The overall aim of this thesis was to assess the cost, energy use, GHG emissions and other relevant environmental impacts (terrestrial acidification, marine and fresh water eutrophication, photochemical oxidant formation and fossil fuel depletion) of conventional and integrated forest supply chains in Northern Sweden to provide knowledge that could stimulate the development of more efficient supply chains. The assessment included modelling of conventional and integrated forest supply chains in Northern Sweden, a case study in Western Canada, and modelling of a mobile production system for pelletizing logging residues. A life cycle assessment approach was used in the analyses.

The results showed that integrated supply chains have the potential to reduce the supply cost for non-stemwood assortments. Furthermore, the integrated supply chains were more energy efficient than conventional supply chains, and have the potential to reduce GHG emissions by approximately 13%. The reduction in terrestrial acidification, marine and fresh water eutrophication, photochemical oxidant formation, and fossil fuel depletion associated with switching from a conventional to integrated supply chain was 17%, 24%, 17%, 17%, and 13%, respectively. The evaluated Swedish supply chains also showed, on average, better environmental profiles per oven dry tonne than the Canadian supply chains that were assessed. The environmental performance of a small-scale mobile pellet production system operating at forest landing and at forest terminal was similar in both alternatives. However, if the terminal had access to the power grid, then the environmental impacts (with the exception of fresh water eutrophication potential) decreased, and operating at the terminal became a better option from a life cycle assessment perspective.

Authors/Creators:De La Fuente Diez, Maria Teresa
Title:System analysis and life cycle assessment of forest supply chains with integrated biomass production
Series/Journal:Acta Universitatis agriculturae Sueciae (1652-6880)
Year of publishing :2017
Depositing date:11 May 2017
Volume:2017:54
Number of Pages:96
Papers/manuscripts:
NumberReferences
IJoelsson, J., Di Fulvio, F., De La Fuente, T.*, Bergström, D., Athanassiadis, D. (2016). Integrated supply of stemwood and residual biomass to forest-based biorefineries. International Journal of Forest Engineering, 27:115–138.
IIDe La Fuente, T.*, González-García, S., Athanassiadis, D., Nordfjell, T. (2016). Fuel Consumption and GHG emissions of forest biomass supply chains in Northern Sweden: a comparison analysis between integrated and conventional supply chains. Scandinavian Journal of Forest Research, 1-14. DOI: 10.1080/02827581.2016.1259424
IIIDe La Fuente, T.*, Athanassiadis, D., González-García, S. and Nordfjell, T. (2017). Cradle-to-gate life cycle assessment of forest supply chains: Comparison of Canadian and Swedish case studies. Journal of Cleaner Production, 143: 866-881.
IVDe La Fuente, T.*, Bergström, D., González-García, S., Larsson, S.H. Life cycle assessment of decentralized mobile production systems for pelletizing logging residues under Nordic conditions (manuscript). Studies I-III are reproduced with the permission of the publishers.
Place of Publication:Umeå
Publisher:Department of Forest Biomaterials and Technology, Swedish University of Agricultural Sciences
ISBN for printed version:978-91-576-8881-1
ISBN for electronic version:978-91-576-8882-8
ISSN:1652-6880
Language:English
Publication Type:Doctoral thesis
Full Text Status:Public
Agris subject categories.:J Handling, transport, storage and protection of agricultural products > J12 Handling, transport, storage and protection of forest products
K Forestry > K11 Forest engineering
P Natural resources > P05 Energy resources management
Subjects:(A) Swedish standard research categories 2011 > 4 Agricultural Sciences > 401 Agricultural, Forestry and Fisheries > Forest Science
Agrovoc terms:biofuels, biomass, wood residues, wood energy, energy consumption, supply chain, life cycle analysis, fuel wood, environmental impact, greenhouse gases, sweden
Keywords:integrated harvest, environmental evaluation, GHG emissions, fuel wood, LCA, wood supply chains
URN:NBN:urn:nbn:se:slu:epsilon-e-4169
Permanent URL:
http://urn.kb.se/resolve?urn=urn:nbn:se:slu:epsilon-e-4169
ID Code:14301
Faculty:S - Faculty of Forest Sciences
Department:(S) > Department of Forest Biomaterials and Technology (from 131204)
Deposited By: Maria Teresa De La Fuente Diez
Deposited On:16 May 2017 14:07
Metadata Last Modified:17 May 2017 11:37

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