From agricultural (by-)products to jet fuels: Carbon footprint and economic performance

Christian Moretti, Ana López-Contreras, Truus de Vrije, Axel Kraft, Martin Junginger, Li Shen

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

This research assesses the well-to-tank (WTT) greenhouse gas (GHG) emissions and economic performance of an innovative bio-jet fuel via acetone-butanol-ethanol (ABE) fermentation. Dutch potato by-products from the food processing industry and sugar beets are explored as potential feedstocks. Four product systems differentiated by feedstocks, logistics and centralized/decentralized fermenters are investigated. For both feedstocks, it is found that a centralized large-scale fermentation is preferable to decentralized small-scale fermentation (25–30% less expensive and 5% lower WTT emissions). Once commercialization is reached, the cost and carbon performance of this novel bio-jet fuel could be similar to that of other alcohol-to-jet fuels. Depending on the feedstock and configuration considered, the GHG emission mitigation potential of this novel jet-fuel was estimated between 41% and 52%. To meet the EU RED II 65% GHG reduction criterion, possible options could be using low carbon-intensive processing energy and hydrogen or storing permanently biogenic carbon dioxide from fermentation.
Original languageEnglish
Article number145848
Number of pages15
JournalScience of the Total Environment
Volume775
DOIs
Publication statusPublished - 25 Jun 2021

Bibliographical note

Funding Information:
This work is financially supported by the Dutch Ministry of Economy Affairs and Climate Policy through the TKI-BBEG program (grant: TEBE116223 ). We would like to thank all our project partners.

Publisher Copyright:
© 2021 The Authors

Keywords

  • ABE fermentation
  • Biomass
  • GHG emissions
  • Life cycle assessment
  • Minimum selling price

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