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  4. Aviation fuel production pathways from lignocellulosic biomass via alcohol intermediates : a technical analysis
 
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Aviation fuel production pathways from lignocellulosic biomass via alcohol intermediates : a technical analysis

Citation Link: https://doi.org/10.15480/882.8711
Publikationstyp
Journal Article
Date Issued
2023-09-03
Sprache
English
Author(s)
Voß, Steffen  orcid-logo
Umwelttechnik und Energiewirtschaft V-9  
Bube, Stefan  orcid-logo
Umwelttechnik und Energiewirtschaft V-9  
Kaltschmitt, Martin  
Umwelttechnik und Energiewirtschaft V-9  
TORE-DOI
10.15480/882.8711
TORE-URI
https://hdl.handle.net/11420/43674
Journal
Fuel Communications  
Volume
17
Article Number
100093
Citation
Fuel communications 17: 100093 (2023)
Publisher DOI
10.1016/j.jfueco.2023.100093
Publisher
Elsevier
In order to achieve the goal of limiting global warming to 1.5 °C, also the growing aviation industry needs to take measures to reduce their greenhouse gas emissions. Various renewably sourced aviation fuels can significantly reduce greenhouse gas emissions and most of them, except for example liquid hydrogen or LNG, can be used in the existing infrastructure without airport or aircraft modifications. As most of these renewably sourced fuel types are not (yet) produced at commercial scale, many technological assessment parameter (e.g. carbon or energy efficiency) are uncertain. Thus, the goal of this study is to compare two different process routes, both being based on biochemical and thermochemical conversion steps. The processes evaluated against conversion efficiency of the available raw feedstock and process energy requirements. The evaluation uses theoretical and biochemical carbon efficiency as well as energy efficiency as indicators. A steady-state flowsheet simulation for two biogenic process paths via biogas and bioethanol as intermediate products is carried out on the basis of literature data. In addition, the optional use of solid residue from the biotechnological process step by combustion for direct heat supply cases are studied. In the ethanol-based route, about 23% of the carbon in the feed can be recovered as kerosene, whereas this is only about 19% in the biogas route. Simultaneously, the ethanolbased route without the combustion of the residue has an energy efficiency of 28%, while the biogas route has an efficiency of 24%.
Subjects
Biofuel
Sustainable aviation fuel
Process modelling
Technical comparison
Energy efficiency
DDC Class
620: Engineering
Funding(s)
Synergetic integration of BIOteChnology and thermochemical CaTalysis for the cAscade coNvErsion of organic waste to jet-fuel  
Publication version
publishedVersion
Lizenz
https://creativecommons.org/licenses/by/4.0/
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