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dc.contributor.authorWang, Shuai
dc.contributor.authorHovland, Jon
dc.contributor.authorBakke, Rune
dc.identifier.citationWang, S., Hovland, J. & Bakke, R. Efficiency of the anaerobic digestion of amine wastes. Biotechnology letters. 2013, August
dc.description.abstractLaboratory-scale anaerobic degradation of monoethanolamine waste (MEAw) with co-substrate organics was conducted at roomtemperature and organic loading rates from 0.19 to 5.03 kg COD/m3 day for 486 days in a hybrid digester. 90 % feed COD conversion tomethane was obtained at the lower loads and only 45 % at the highest MEAwaste/COD ratio (MEAwr) of 0.62 due to inhibition of methanogenesis. Inhibition at comparable loads decreased with time, implying that the culture adapted to the challenging feed. Methane yield was negatively correlated to MEAwr applied and inhibition avoided at MEAwr\0.5. Acetate accumulation implies inhibition of acetoclastic methanogenesis that can be caused by ammonia, a product of MEAw degradation. Moderate total ammonia nitrogen and free ammonia nitrogen accumulation, maximum 2.2 g N/l and 90 mgN/l, respectively suggests, however, that other components of MEAw, and/or degradation products of such, also inhibitmethanogenesis, disturbing the digester
dc.relation.ispartofWang, S. (2014). Anaerobic degradation of industrial carbon capture reclaimer MEA waste. Doctoral thesis.
dc.subjectanaerobic digestion
dc.subjectCO2 capture
dc.subjectprinciple component analysis
dc.titleEfficiency of the anaerobic digestion of amine wastesno
dc.typeJournal article
dc.typePeer reviewed
dc.description.versionPublished version
dc.rights.holder© 2013 The Authors

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