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How do biogas solutions influence the sustainability of bio-based industrial systems?
Linköping University, Department of Management and Engineering, Environmental Technology and Management. Linköping University, Faculty of Science & Engineering.
2018 (English)Licentiate thesis, comprehensive summary (Other academic)
Abstract [en]

Biomass is a valuable and limited resource that should be used efficiently. The potential of replacing fossil-based products with bio-based ones produced in biobased industrial systems is huge. One important aim of increasing the share of biobased products is to improve the sustainability of systems for production and consumption. Therefore, it is important to evaluate what solutions are available to improve the sustainability performance of bio-based industrial systems, and if they also bring negative impacts. The thesis focuses on assessing the role of biogas solutions in developing sustainable bio-based systems. Such assessments are often quite narrow in their scope and focus on quantitative environmental or economic aspects. This thesis aims at also including feasibility related aspects involving the contextual conditions that are assessed more qualitatively. Biogas solutions are identified as a versatile approach to treat organic materials which are generated in large volumes in bio-based industrial systems. The results show that biogas solutions in bio-based industrial systems (i) improve circular flows of energy and nutrients, (ii) are especially viable alternatives when the quality of the by-product streams become poorer, and (iii) may improve the profitability of the bio-based industrial system. To perform better assessments of these systems, it seems valuable to broaden the set of indicators assessed and include feasibility-related indicators, preferably through the involvement of relevant stakeholders as they contribute with different perspectives and can identify aspects that influence the sustainability in different areas. Future studies could benefit from applying those broader assessments on more cases to build on a more generalisable knowledge base.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2018. , p. 52
Series
Linköping Studies in Science and Technology. Licentiate Thesis, ISSN 0280-7971 ; 1822
Keywords [en]
Biogas, biorefinery, biomass, circular bioeconomy, sustainability, feasibility, stakeholders, assessments, methods
National Category
Industrial Biotechnology Environmental Biotechnology Bioprocess Technology
Identifiers
URN: urn:nbn:se:liu:diva-152878DOI: 10.3384/lic.diva-152878ISBN: 9789176851982 (print)OAI: oai:DiVA.org:liu-152878DiVA, id: diva2:1265842
Presentation
2018-12-10, ACAS, A-huset, Campus Valla, Linköpings universitet, Linköping, 13:15 (English)
Opponent
Supervisors
Available from: 2018-11-26 Created: 2018-11-26 Last updated: 2018-11-26Bibliographically approved
List of papers
1. The role of biogas solutions in sustainable biorefineries
Open this publication in new window or tab >>The role of biogas solutions in sustainable biorefineries
2018 (English)In: Journal of Cleaner Production, ISSN 0959-6526, E-ISSN 1879-1786, Vol. 172, p. 3982-3989Article in journal (Refereed) Published
Abstract [en]

Biorefineries strive to maximise product mix and value while contributing to the bioeconomy. Circularityand waste valorisation are some important but often neglected concepts in this context. As such, biogassolutions in biorefineries could be a key technology to improve sustainability. This study has, through aliterature review and investigation into three Swedish case studies, analysed this relationship betweenbiogas solutions and biorefineries by assessing the added value and development potential to whichbiogas solutions may contribute. This analysis across agricultural, forest, and marine sectors indicatesthat biogas solutions contribute with several added values, including through making the biorefinerymore sustainable and competitive. The study also shows that biogas solutions can be an enabler ofbiorefinery development through making the system more resilient and versatile, as well as throughimproving the value of the product portfolio.

Place, publisher, year, edition, pages
Elsevier, 2018
Keywords
Biorefinery, biogas, bioeconomy, valorisation, anaerobic digestion, waste management, Bioraffinaderi, biogas, bioekonomi, avfallshantering
National Category
Other Environmental Engineering
Identifiers
urn:nbn:se:liu:diva-143022 (URN)10.1016/j.jclepro.2017.03.180 (DOI)000423002500084 ()2-s2.0-85016415075 (Scopus ID)
Funder
Swedish Energy Agency
Note

Funding agencies: Biogas Research Center (BRC); Swedish Energy Agency

Available from: 2017-11-29 Created: 2017-11-29 Last updated: 2018-11-26Bibliographically approved

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Hagman, Linda

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