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Research report Organofinery biogas production AAU


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Molinuevo-Salces, Beatriz; Fernandez, Maria Santamaria and Uellendahl, Hinrich (2015) Research report Organofinery biogas production AAU. [Forskningsrapport Organofinery biogas produktion AAU.] Working paper, Chemistry and BioScience, Aalborg University . [Completed]

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Organically grown red clover was investigated as a resource for organic feed by combination of protein extraction and anaerobic digestion of the sub-products. Extraction of proteins revealed a very favorable amino acid composition for the use as poultry feed. The residual 89% of organic matter, as solid press cake and brown juice was subjected to anaerobic digestion to produce biogas and fertilizer. Specific methane yields of 225±62 and 487±30 ml CH4/g VS were obtained for press cake and brown juice, respectively. No distinct inhibition was detected but adaptation of microorganisms in the case of the press cake and gradual increase of the substrate load in the case of the brown juice were beneficial to achieve efficient conversion of both fractions during the anaerobic digestion process.

EPrint Type:Working paper
Keywords:biogas, anaerobic digestion, red clover, agricultural residues
Subjects:"Organics" in general
Farming Systems > Farm nutrient management
Research affiliation: Denmark > Organic RDD 2 > OrganoFinery
Deposited By: Lübeck, Assoc Prof Mette
ID Code:29228
Deposited On:10 Aug 2015 13:39
Last Modified:10 Aug 2015 13:39
Document Language:English
Refereed:Not peer-reviewed

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