Will implementation of green gas into the gas supply be feasible in the future?

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

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Energy efficiency, greenhouse gas reduction and cost price of a green gas supply chain were evaluated. This supply chain is based on co-digestion of dairy cattle manure and maize, biogas upgrading and injection into a distribution gas grid. A defined reference scenario reflects the current state of practice, assuming that input energy is from fossil origin. Possible improvements of this reference scenario were investigated. For this analysis two new definitions for energy input-output ratio were introduced; one based on input of primary energy from all origin, and one related to energy from fossil origin only. Switching from fossil to green electricity significantly improves the energy efficiency (both definitions) and greenhouse gas reduction. Preventing methane leakage during digestion and upgrading, and re-using heat within the supply chain show smaller improvements on these parameters as well as on cost price. A greenhouse gas reduction of more than 80 % is possible with current technology. To meet this high sustainability level, multiple improvement options will have to be implemented in the green gas supply chain. This will result in a modest decrease of the green gas cost price.
Original languageEnglish
Pages (from-to)409-417
JournalApplied Energy
Volume140
DOIs
Publication statusPublished - 5 Feb 2015

Keywords

  • biogas
  • green gas
  • energy
  • optimization
  • supply chain
  • energy efficiency
  • greenhouse gas reduction

Cite this

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title = "Will implementation of green gas into the gas supply be feasible in the future?",
abstract = "Energy efficiency, greenhouse gas reduction and cost price of a green gas supply chain were evaluated. This supply chain is based on co-digestion of dairy cattle manure and maize, biogas upgrading and injection into a distribution gas grid. A defined reference scenario reflects the current state of practice, assuming that input energy is from fossil origin. Possible improvements of this reference scenario were investigated. For this analysis two new definitions for energy input-output ratio were introduced; one based on input of primary energy from all origin, and one related to energy from fossil origin only. Switching from fossil to green electricity significantly improves the energy efficiency (both definitions) and greenhouse gas reduction. Preventing methane leakage during digestion and upgrading, and re-using heat within the supply chain show smaller improvements on these parameters as well as on cost price. A greenhouse gas reduction of more than 80 {\%} is possible with current technology. To meet this high sustainability level, multiple improvement options will have to be implemented in the green gas supply chain. This will result in a modest decrease of the green gas cost price.",
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Will implementation of green gas into the gas supply be feasible in the future? / Bekkering, Jan; Hengeveld, Evert Jan; van Gemert, Wim; Broekhuis, A.A.

In: Applied Energy, Vol. 140, 05.02.2015, p. 409-417.

Research output: Contribution to journalArticleAcademicpeer-review

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AU - van Gemert, Wim

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KW - biogas

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KW - energie

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KW - energy

KW - optimization

KW - supply chain

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KW - greenhouse gas reduction

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