Operational modeling of a sustainable gas supply chain

Jan Bekkering, A. A. Broekhuis, Wim van Gemert

Onderzoeksoutput: ArticleAcademicpeer review

Samenvatting

Biogas production from codigestion of cattle manure and biomass can have a significant contribution to a sustainable gas supply when this gas is upgraded to
specifications prescribed for injection into the national gas grid and injected into this grid. In this study, we analyzed such a gas supply chain in a Dutch situation. A model was developed with which the cost price per m3 was presented as a function of scale (Nm3/hr). The hypothesis that transport costs increase with increasing scale level was confirmed although this is not the main factor influencing the cost price for the considered production scales. For farm-scale gas supply chains (approximately 150–250 Nm3/h green gas), a significant improvement is expected from decreasing costs of digesters and upgrading installations, and efficiency improvement of digesters. In this study also practical sustainability criteria for such a supply chain were investigated. For this reason, the digestate from the digester should be used as a fertilizer. For larger scale levels, the number of transport movements and energy use in the supply chain seem to become a limiting factor with respect to sustainability.
Originele taal-2English
Pagina's (van-tot)585-594
TijdschriftEngineering in life sciences
Volume10
Nummer van het tijdschrift6
DOI's
StatusPublished - dec 2010

Keywords

  • biogas
  • methaan
  • duurzaamheid

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