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Co-digestion of energy crops and the source-sorted organic fraction of municipal solid waste
RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
RISE, SP – Sveriges Tekniska Forskningsinstitut, JTI Institutet för Jordbruks- och Miljöteknik.
2005 (English)In: Water Science and Technology, ISSN 0273-1223, E-ISSN 1996-9732, Vol. 52, no 1-2, 217-222 p.Article in journal (Refereed)
Abstract [en]

The biological and technical performance during co-digestion of energy crops and the source-sorted organic fraction of municipal solid waste has been investigated at laboratory and pilot scale. A 50:50 (TS-based) mixture of energy crops and organic waste reached a loading rate of 6.0 gVS L -1d -1 with a methane yield of 0.33-0.38 LgVS -1, while a 80:20 mixture showed elevated levels of volatile fatty acids at 5.5 gVS L -1d -1 The better performance of the 50:50 mixture can partly be explained by a better nutritional composition. Mincing the ley crop reduced viscosity and reduced problems with fibre floating and scum-blanket formation. The electricity consumed for mincing and stirring at a full-scale plant corresponds to ca 3% of the energy produced. Calculations of the costs for full-scale plants indicate that the price of the upgraded biogas has to be at least 0.078 Euro/kWh in order to balance the costs. © IWA Publishing 2005.

Place, publisher, year, edition, pages
2005. Vol. 52, no 1-2, 217-222 p.
National Category
Agricultural Science, Forestry and Fisheries
Identifiers
URN: urn:nbn:se:ri:diva-2478PubMedID: 16180431Scopus ID: 2-s2.0-25144488048OAI: oai:DiVA.org:ri-2478DiVA: diva2:960068
Available from: 2016-09-07 Created: 2016-09-07 Last updated: 2017-11-21Bibliographically approved

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