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Resource efficiency or economy of scale: Biorefinery supply chain configurations for co-gasification of black liquor and pyrolysis liquids
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science.ORCID iD: 0000-0002-5662-570x
RISE Research Institutes of Sweden, Eklandagatan 86, SE-412 61 Gothenburg.
International Institute for Applied Systems Analysis (IIASA), Schlossplatz 1, A-2361 Laxenburg.
Luleå University of Technology, Department of Engineering Sciences and Mathematics, Energy Science. International Institute for Applied Systems Analysis (IIASA), Schlossplatz 1, A-2361 Laxenburg.ORCID iD: 0000-0002-2314-8097
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2018 (English)In: Applied Energy, ISSN 0306-2619, E-ISSN 1872-9118, Vol. 230, p. 912-924Article in journal (Refereed) Published
Abstract [en]

Biorefineries for the production of fuels, chemicals, or materials can be an important contributor to reducing dependence on fossil fuels. The economic performance of the biorefinery supply chain can be increased by, for example, industrial integration to utilise excess heat and products, increasing size to improve economy of scale, and using intermediate upgrading to reduce feedstock transport cost. To enable a large-scale introduction of biorefineries it is important to identify cost efficient supply chain configurations.

This work investigates a lignocellulosic biorefinery concept integrated with forest industry, focusing on how different economic conditions affect the preferred supply chain configurations. The technology investigated is black liquor gasification, with and without the addition of pyrolysis liquids to increase production capacity. Primarily, it analyses trade-offs between high biomass conversion efficiency and economy of scale effects, as well as the selection of centralised vs. decentralised supply chain configurations.

The results show the economic advantage for biomass efficient configurations, when the biorefinery investment is benefited from an alternative investment credit due to the replacement of current capital-intensive equipment at the host industry. However, the investment credit received heavily influenced the cost of the biorefinery and clearly illustrates the benefit for industrial integration to reduce the cost of biorefineries. There is a benefit for a decentralised supply chain configuration under very high biomass competition. However, for lower biomass competition, site-specific conditions will impact the favourability of either centralised or decentralised supply chain configurations.

Place, publisher, year, edition, pages
Elsevier, 2018. Vol. 230, p. 912-924
Keywords [en]
Biorefinery, Economy of scale, Efficiency, Supply chain, Black liquor, Pyrolysis liquids
National Category
Energy Engineering
Research subject
Energy Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-70831DOI: 10.1016/j.apenergy.2018.09.018ISI: 000448226600068Scopus ID: 2-s2.0-85053046147OAI: oai:DiVA.org:ltu-70831DiVA, id: diva2:1247323
Funder
Swedish Research Council Formas, 213-2014-184Swedish Energy Agency, Forskarskolan EnergisystemBio4Energy
Note

Validerad;2018;Nivå 2;2018-09-19 (svasva)

Available from: 2018-09-11 Created: 2018-09-11 Last updated: 2019-09-13Bibliographically approved

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Zetterholm, JonasLundgren, JoakimWetterlund, Elisabeth

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