Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.11790/1532
Title: Corn stover for biogas production: Effect of steam explosion pretreatment on the gas yields and on the biodegradation kinetics of the primary structural compounds
Authors: Lizasoain, Javier 
Trulea, Adrian 
Gittinger, Johannes 
Kral, Iris 
Piringer, Gerhard 
Schedl, Andreas 
Nilsen, Paal Jahre 
Potthast, Antje 
Gronauer, Andreas 
Bauer, Alexander 
Keywords: Agricultural residues;Anaerobic digestion;Biofuel;Biomass;Maize straw
Issue Date: 2017
Publisher: Elsevier
Source: Bioresource Technology, 244(1), 949-956
Journal: Bioresource Technology 
Abstract: This study evaluated the effect of steam explosion on the chemical composition and biomethane potential of corn stover using temperatures ranging between 140 and 220°C and pretreatment times ranging between 2 and 15min. Biodegradation kinetics during the anaerobic digestion of untreated and corn stover, pretreated at two different intensities, 140°C for 5min and 180°C for 5min, were studied in tandem. Results showed that pretreatment at 160°C for 2min improved the methane yield by 22%. Harsher pretreatment conditions led to lower hemicellulose contents and methane yields, as well as higher lignin contents, which may be due to the formation of pseudo-lignin. The biodegradation kinetics trial demonstrated that steam explosion enhances the degradation of structural carbohydrates and acid insoluble lignin.
URI: http://hdl.handle.net/20.500.11790/1532
ISSN: 1873-2976
0960-8524
DOI: 10.1016/j.biortech.2017.08.042
Rights: info:eu-repo/semantics/closedAccess
Appears in Collections:Energie-Umweltmanagement

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