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Assessment of By-product Valorisation in a Swedish Wheat-Based Biorefinery
Linköping University, Department of Management and Engineering, Environmental Technology and Management. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0002-3294-006X
Linköping University, Department of Management and Engineering, Environmental Technology and Management. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0003-0157-6573
Linköping University, Department of Management and Engineering, Environmental Technology and Management. Linköping University, Faculty of Science & Engineering.
2020 (English)In: Waste and Biomass Valorization, ISSN 1877-2641, E-ISSN 1877-265X, Vol. 11, no 7, p. 3567-3577Article in journal (Refereed) Published
Abstract [en]

Biorefineries are examples of industries striving towards a circular and bio-based economy through valorising natural raw materials to a spectrum of products. This is a resource-efficient process which also decreases overall environmental impact, as the products from a biorefinery can replace fossil-based products such as plastics or fuels. To become even more resource efficient, an optimisation of the by-product use can increase the performance. This study will evaluate different scenarios for the valorisation of stillage coming from a wheat-based biorefinery. The alternatives range from the direct use of the stillage for fodder, fertiliser or incineration to three different biogas production-based scenarios. The biogas scenarios are divided into the production of fuel at a local or distant plant and the alternative of creating heat and power at the local plant. The results show how locally produced biogas for vehicle fuel and fodder usage are the better alternatives regarding greenhouse gas emissions, the finances of the biorefinery, energy balance and nutrient recycling. The results also indicate that biorefineries with several high-value products may receive lower quality by-product flows, and to these, the biogas solutions become more relevant for valorising stillage while improving value and performance for the biorefinery.

Place, publisher, year, edition, pages
Springer Netherlands, 2020. Vol. 11, no 7, p. 3567-3577
Keywords [en]
Biorefinery, Upcycling, Waste, Biogas, Fodder
Keywords [sv]
Bioraffinaderi, avfall, biogas, värde
National Category
Bioprocess Technology Other Industrial Biotechnology Other Environmental Engineering
Identifiers
URN: urn:nbn:se:liu:diva-160001DOI: 10.1007/s12649-019-00667-0ISI: 000538735600036OAI: oai:DiVA.org:liu-160001DiVA, id: diva2:1348096
Projects
Biogas Research Center,
Funder
Swedish Energy Agency, P35624-3Available from: 2019-09-03 Created: 2019-09-03 Last updated: 2022-04-21
In thesis
1. Creating value from bio-residuals: Biogas solutions for biobased industries in Scandinavia
Open this publication in new window or tab >>Creating value from bio-residuals: Biogas solutions for biobased industries in Scandinavia
2022 (English)Doctoral thesis, comprehensive summary (Other academic)
Abstract [en]

This thesis focuses on biogas solutions for biobased industries as substrate management or energy providers. It investigates how such solutions are set up, what factors are important for their development, the effects on society and biobased industries, and the possibility of having biogas solutions as part of a sustainability strategy for biobased industries. The thesis has its scientific foundation in industrial ecology, the resource-efficient bioeconomy, and biogas solutions. The thesis is a synthesis of six appended papers focusing on value-creation, development, strategies, and the performance of biogas solutions in biobased industries.

The results show that biobased industries can gain competitiveness, improved sustainability performance, and reduced costs through biogas solutions. The development of biogas solutions for biobased industries is improved through collaboration between actors where win-win solutions are identified, and resources are recovered locally. Biogas solutions will have an important role in recovering nutrients and improving resource efficiency of biobased industrial systems. This research contributes with the knowledge to implement more biogas solutions for biobased industries in different parts of the world by pointing out, additional values provided, factors to consider for the development, and the biobased industries’ strategic interest in biogas solutions.

Abstract [sv]

Denna avhandling kommer att fokusera på biogaslösningar inom biobaserade industrier och undersöka hur sådana lösningar är uppbyggda, vilka faktorer som är viktiga för deras utveckling, värden som skapas för samhälle och biobaserade industrier, samt möjligheten för biobaserade industrier att ha biogaslösningar som del av sin hållbarhetsstrategi. Avhandlingen har sin vetenskapliga grund i industriell ekologi, en resurseffektiv bioekonomi och biogaslösningar. Baserat på dessa forskningsområden har fokus legat på biogaslösningar inom biobaserade industrier och dess roll i den resurseffektiva bioekonomin. Avhandlingen är en syntes av sex bifogade artiklar som i sin tur fokuserar på värdeskapande, utvecklingsmöjligheter, strategier och prestanda för biogaslösningar inom biobaserad industri. Livscykelanalyser och multi-kriterieanalyser har utförts och kompletteras med fallstudier och intervjuer för att få den information som behövts för resultatet.

Resultaten visar att biobaserade industrier kan få ökad konkurrenskraft, förbättrad hållbarhetsprestanda och minskade kostnader genom biogaslösningar. Viktiga faktorer för utvecklingen av biogaslösningar som involverar biobaserade industrier förbättras genom samverkan mellan aktörer där fördelaktiga lösningar för alla parter identifieras, och resurser används lokalt. Biogaslösningar kommer vara viktiga för att återcirkulera näringsämnen och öka resurseffektiviteten i biobaserade industriella system. Denna forskning bidrar med kunskap för att sprida biogaslösningar inom biobaserade industrier runt om i världen, genom att peka på de värden som tillhandahålls, vilka faktorer som behöver beaktas för utvecklingen och genom att förstå de strategiska intressen som kommer från de biobaserade industrierna.

Place, publisher, year, edition, pages
Linköping: Linköping University Electronic Press, 2022. p. 57
Series
Linköping Studies in Science and Technology. Dissertations, ISSN 0345-7524 ; 2211
Keywords
Biogas, Biobased industry, Resource efficiency, Biogas development, Sustainability, Nutrients, Biogas, Biobaserad industri, Resurseffektivitet, Biogasutveckling, Hållbarhet, Näring
National Category
Environmental Management
Identifiers
urn:nbn:se:liu:diva-184446 (URN)10.3384/9789179292256 (DOI)9789179292249 (ISBN)9789179292256 (ISBN)
Public defence
2022-06-03, ACAS, A Building, Campus Valla, Linköping, 09:15 (English)
Opponent
Supervisors
Funder
Swedish Energy Agency
Available from: 2022-04-21 Created: 2022-04-21 Last updated: 2025-02-10Bibliographically approved

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