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Title:Corn silage fungal-based solid-state pretreatment for enhanced biogas production in anaerobic co-digestion with cow manure
Authors:Tišma, Marina (Author)
Planinc, Mirela (Author)
Bucić Kojić, Ana (Author)
Panjičko, Mario (Author)
Zupančič, Gregor Drago (Author)
Zelić, Bruno (Author)
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Work type:Not categorized (r6)
Tipology:1.01 - Original Scientific Article
Organization:UNG - University of Nova Gorica
Abstract:The objective of this research was to use white-rot fungus Trametes versicolor for corn silage pretreatment and to investigate the effect of pretreatment on biogas productivity. Semi-continuous pilot-scale experiment, comprised of two experimental phases, was carried out. In the first phase, operational conditions of the full-scale biogas plant were reproduced at pilot-scale. In that phase, the reactor was daily fed with the mixture of cow manure, digestate from industrial postfermentor, corn grits and ensiled corn silage, and the average methane generation rate was 0.167 m3 CH4 per kgVS. In the second phase, corn grits and ensiled corn silage were replaced with corn silage pretreated with T. versicolor, and the average methane generation rate increased up to 0.236 m3 per CH4 kgVS. The results of this study suggest that application of fungal-based solid-state pretreated corn silage has positive effect on pH stability and increase the biogas productivity.
Keywords:Semi-continuous anaerobic co-digestion Fungal-based pretreatment Corn silage Cow manure
Year of publishing:2018
Number of pages:220-226
COBISS_ID:4989435 Link is opened in a new window
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Title:Bioresource Technology
Year of publishing:2018