Environmental assessment of untreated manure use, manure digestion and codigestion with silage maize : Deliverable for the 'EU-AGRO-BIOGAS' project

J.W. de Vries, W.J. Corre, H.J.C. van Dooren

Research output: Book/ReportReportProfessional

Abstract

This report describes the environmental impact of untreated manure use, manure digestion, and co-digestion with silage maize for energy production. The life cycle assessment methodology was used. Environmental indicators included were, global warming potential, energy use, eutrophication, acidification and land use expressed per ton applied product. Digestion of manure and codigestion with silage maize resulted in an improved energy and greenhouse gas balance. However, compared to the use of untreated manure, acidification potentials seemed to increase when digesting only manure and decrease with co-digestion. Overall (co)- digestion of manure and co-substrates presents an opportunity to sustainably produce renewable energy and reduce greenhouse gas emissions. Further analysis is required to fully understand the effects on land use changes when using different co-substrates on a large scale.
Original languageEnglish
Place of PublicationLelystad
PublisherWageningen UR Livestock Research
Number of pages17
Publication statusPublished - 2010

Publication series

NameReport / Wageningen UR Livestock Research
PublisherWageningen UR Livestock Research
No.372
ISSN (Print)1570-8616

Keywords

  • bioenergy
  • environmental impact
  • fermentation
  • biogas
  • sustainability
  • greenhouse gases
  • land use
  • biobased economy
  • manure treatment
  • life cycle assessment
  • co-fermentation

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