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dc.contributor.authorBergland, Wenche Hennie
dc.contributor.authorDinamarca, Carlos
dc.contributor.authorBakke, Rune
dc.date.accessioned2016-03-10T14:06:56Z
dc.date.accessioned2017-04-19T12:52:09Z
dc.date.available2016-03-10T14:06:56Z
dc.date.available2017-04-19T12:52:09Z
dc.date.issued2015-11-25
dc.identifier.citationBergland, W. H., Saldias Dinamarca, C. A., & Bakke, R. (2015). Paper presented at the 56th Conference on Simulation and Modelling (SIMS 56), October, 7-9, 2015, Linköping University, Sweden. doi:http://dx.doi.org/10.3384/ecp15119261
dc.identifier.urihttp://hdl.handle.net/11250/2438487
dc.description.abstractTemperature effects on kinetic coefficients for the biochemical processes particle disintegration, hydrolysis and substrate uptake reactions were included in the anaerobic digestion model 1 (ADM1). It was evaluated on data from a pilot experiments in a 220 liter AD sludge bed reactor treating diary manure for 4 months of varying loads and temperatures; 25, 30 and 35 °C. Implementing individual temperature effects for each biochemical reaction gave the best fit for both biogas production and intermediate products. Simulated overall soluble and particulate organic carbon removal, pH and acetate are close to measured values while propionate is underestimated. Temperature has a moderate influence on steady state biogas production in sludge bed AD (1.6 % per degree at 30 - 35 °C and 3.4 % per degree at 25 - 30 °C), implying the net energy gain can peak at T < 35 °C in some cases.
dc.language.isoeng
dc.publisherLinköping University Electronic Press
dc.subjectanaerobic digestion
dc.subjectsludge bed
dc.subjecttemperature dependence
dc.subjectADM1
dc.titleTemperature Effects in Anaerobic Digestion Modeling
dc.typeConference object
dc.typePeer reviewed
dc.description.versionPublished version
dc.subject.nsi610
dc.identifier.doihttp://dx.doi.org/10.3384/ecp15119261


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