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Systematic assessment of feedstock for an expanded biogas production: A multi-criteria approach
Linköping University, Department of Management and Engineering, Environmental Technology and Management. Linköping University, Faculty of Science & Engineering. Linköping University, Biogas Research Center.ORCID iD: 0000-0002-8323-881X
Den Kgl. Veterinær- og Landbohøjskole, Denmark.
Linköping University, Department of Management and Engineering, Environmental Technology and Management. Linköping University, Faculty of Science & Engineering. Linköping University, Biogas Research Center.ORCID iD: 0000-0002-6736-6125
2017 (English)Report (Other academic)
Abstract [en]

Biogas solutions can contribute to more renewable and local energy systems, and also involve other essential aspects such as nutrient recycling. From a theoretical feedstock perspective there is a great biogas potential in Sweden, but the development has been relatively slow as many biogas producers face challenges of different types. Among the many influencing factors, the choice of feedstocks (biomass) is of strategic importance. Within the Biogas Research Center (BRC), hosted by Linköping University in Sweden, a research project focused on feedstock has been ongoing for several years. It has involved researchers, biogas and biofertilizer producers, agricultural organizations and others. The main aim has been to develop a method to assess the suitability of feedstock for biogas and biofertilizer production, and to apply this method on a few selected feedstocks. A multi-criteria method has been developed that covers potential, feasibility and resource efficiency, operationalized via 17 indicators directed towards cost efficiency, technological feasibility, energy and environmental performance, accessibility, competition, policy and other issues. Thus the method it is relatively comprehensive, yet hopefully simple enough to be used by practitioners.

The main ambition, applying the method, has been to collect and structure relevant information to facilitate strategic overviews, communication and informed decision making. This is relevant for development within the biogas and biofertilizer industry, for policymakers, to define and prioritize among essential research projects, etc. This report presents some essential parts of this project, focusing on the multi-criteria method and results regarding ley crops, straw, farmed blue mussels and food waste (and stickleback to some extent). It clarifies how the method can be applied and highlights barriers, drivers and opportunities for each feedstock. Comparisons are also made. The results indicate that biogas production from food waste and ley crops is the most straightforward, and for straw and farmed blue mussels there are more obstacles to overcome. For all of them, the dynamic and very uncertain policy landscape is a barrier. In the final chapter, some conclusions about the method and its application are drawn.

Place, publisher, year, edition, pages
2017. , p. 123
Series
Biogas Research Center (BRC) Report ; 2017:1
Keywords [en]
multi-criteria analysis; biogas; biofertilizer; resource efficiency; feasibility; strategic decision making; ley crops; straw; blue mussels; food waste
National Category
Environmental Management
Identifiers
URN: urn:nbn:se:liu:diva-142917OAI: oai:DiVA.org:liu-142917DiVA, id: diva2:1156008
Funder
Swedish Energy AgencyAvailable from: 2017-11-10 Created: 2017-11-10 Last updated: 2017-11-28

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CiteExportLink to record
Permanent link

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Citation style
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