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Assessing biogas potential of slaughter waste: Can biogas production solve a serious waste problem at abattoirs?
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0003-2189-0105
Tranås Utbildningscentrum, Sweden .
Desert Research Foundation of Namibia, Namibia.
Mälardalen University, School of Business, Society and Engineering, Future Energy Center.ORCID iD: 0000-0001-5480-0167
2014 (English)In: Energy Procedia, ISSN 1876-6102, E-ISSN 1876-6102, Vol. 61, 2600-2603 p.Article in journal (Refereed) Published
Abstract [en]

Management of solid waste and wastewater in Namibia is a growing concern. This study investigated the biogas potential of slaughter waste at a small stock abattoir in southern Namibia. Laboratory experiments with five different mixes of blood; stomach content and manure from sheep were tested. Preliminary findings suggest that the most optimum mixture of slaughter waste was relatively large amounts of stomach and intestine content. The blood proportion should be kept relatively low, since the high nitrogen contents in the blood may inhibit the biogas production. The substrate mixture reflecting the actual ratio of waste generated in the slaughter process resulted in the highest methane production. This suggests that it is possible to produce viable amounts of biogas only using the waste produced at the abattoir, without adding other green substrate. Findings presented here together with results from a larger biogas digester, will be elaborated in the full paper.

Place, publisher, year, edition, pages
2014. Vol. 61, 2600-2603 p.
Keyword [en]
Anaerobic digestion, BMP, Fermentation, Methane production, Namibia, Sheep manure, Small-scale experiment
National Category
Energy Engineering
Identifiers
URN: urn:nbn:se:mdh:diva-27559DOI: 10.1016/j.egypro.2014.12.257ISI: 000375936100578Scopus ID: 2-s2.0-84922343203OAI: oai:DiVA.org:mdh-27559DiVA: diva2:789600
Conference
6th International Conference on Applied Energy, ICAE 2014, 30 May 2014 through 2 June 2014
Available from: 2015-02-19 Created: 2015-02-19 Last updated: 2016-10-31Bibliographically approved

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CiteExportLink to record
Permanent link

Direct link
Cite
Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
  • Other style
More styles
Language
  • de-DE
  • en-GB
  • en-US
  • fi-FI
  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
  • html
  • text
  • asciidoc
  • rtf