Acronym Biogass kunnskap
Category
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Title Documentation of energy production and GHG emissions in a farm level biogas plant digesting animal manure and various types of fish waste Programme National Programme
Instrument (FP6)
Contact Type (FP7)
Strand (Interreg)
NA
Theme (FP7)
Activity Area (FP6)
Regional Area (Interreg)
Action (COST)
NA
Specific Programme (FP7)
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Funding source National Coordinator Anne-Kristin Loes Coordinator email anne-kristin.loes@bioforsk.no
Coordinator institution
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Institutions involved
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Start year 2011 End year 2011 Funding (€) € 60,425 Website NA Summary The project was initiated as a first study of how the energy output from anaerobic digestion of animal manure may be increased by utilizing fish oil residues, Rich in fat, as a co-substrate. The project, in Norwegian called "Biogasskunnskap" (Knowledge about biogas), lasted for one year (2011) and was a co-operation between the Norwegian Institute for Agronomical and Environmental Research -Bioforsk, the Norwegian University of Life Sciences, various local industry partners in Mid-Norway and Research Centre Foulum at Aarhus University. Dr. Alastair Ward and his staff at Foulum conducted laboratory tests to study how much fish oil by-products that may be appropriate to use as co-substrate in anaerobic digestion of animal manure. Laboratory tests cannot be directly transferred to practical scale, but such results provide a useful point of departure for optimizing the actual biogas plant and process. Fish processing is an important industry in Norway. The refining of fish oils to produce Omega 3 oils for human consumption produces two by-products which are rich in oil but are currently not utilised: soapstock and bleaching earth. On the other hand, biogas production in Norway is underdeveloped due to low energy costs and small farm sizes which reduce the profitability of this otherwise effective method of treating organic wastes and reducing greenhouse gas emissions from agriculture. To increase the profitability of small biogas plants, this project investigated the utilisation of fish soapstock and bleaching earth as co-substrates with cattle manure for biogas production. One publications is available in English: Biogas potential of soapstock and bleaching Earth, DCA report 4, January 2012, by Dr. Alastair James Ward. Studies published in Norwegian included measurements of persistent organic pollutants (POPs) in fish oil substrates and design of equipment to add such substrates to the digester. POP contents may be significant and deserve further study.
Goal:
Study how the energy output from anaerobic digestion of animal manure may be increased by utilizing fish oil residues, rich in fat, as a co-substrate.
Keywords
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Marine Region
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