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  4. Biogas production from straw—the challenge feedstock pretreatment
 
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Biogas production from straw—the challenge feedstock pretreatment

Publikationstyp
Journal Article
Date Issued
2022-02
Sprache
English
Author(s)
Andersen, Lennart Folke  
Parsin, Stanislav  
Lüdtke, Oliver  
Kaltschmitt, Martin  
Institut
Umwelttechnik und Energiewirtschaft V-9  
TORE-URI
http://hdl.handle.net/11420/7453
Journal
Biomass Conversion and Biorefinery  
Volume
12
Issue
2
Start Page
379
End Page
402
Citation
Biomass Conversion and Biorefinery 12 (2): 379-402 (2022-02)
Publisher DOI
10.1007/s13399-020-00740-y
Scopus ID
2-s2.0-85086450575
Straw fermentation offers the advantage to provide energy for the electricity, the heat, and/or the mobility sector, while contributing in parallel to close nutrient and humus cycles in agriculture. In this study, the state of technology of straw biogas fermentation is assessed. The results show that the selection of an adequate pretreatment process is one of the main key factors for a successful provision of biogas from straw. The subsequent assessment of three pretreatment options (i.e., mechanical treatment, steam explosion, alkaline treatment) shows that a mechanical pretreatment is economically more viable than the other options, even though the expected biogas yield is clearly lower. This is mainly because chemical or thermal pretreatment results in high investment cost due to high pressure or long residence times. [Figure not available: see fulltext.]
Subjects
and humus cycle
Economic assessment
Electricity from biogas
Industrial straw fermentation
Lignin-rich fermentation residue
Nutrient
Pretreatment
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