Evaluation of Changes in the Chemical Composition of Grasses as a Result of the Methane Fermentation Process and Biogas Production Efficiency

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dc.contributor.authorWaliszewska, Bogusława
dc.contributor.authorWaliszewska, Hanna
dc.contributor.authorGrzelak, Mieczysław
dc.contributor.authorMajchrzak, Leszek
dc.contributor.authorGaweł, Eliza
dc.contributor.authorMurawski, Maciej
dc.contributor.authorSieradzka, Agnieszka
dc.contributor.authorVaskina, Iryna
dc.contributor.authorSpek-Dźwigała, Agnieszka
dc.date.accessioned2024-09-11T14:37:35Z
dc.date.available2024-09-11T14:37:35Z
dc.date.issued2024
dc.description.abstractMethane fermentation, which is one of the key processes in biogas production, plays an important role in the conversion of biomass to energy. During this process, changes occur in the chemical composition of organic feedstocks, including the chemical composition of grasses. The assessment of these changes is crucial for the efficiency and productivity of biogas production. The material for this study comprised fully mature grass blades with leaves and inflorescences and was collected from extensively used meadows and pastures, as well as cultivated and set-aside areas in the Wielkopolskie Voivodeship, the communes of Biało´sliwie and Trzcianka, Poland. The aim of this study was to compare methane fermentation efficiency in nine grass species and identify the biomass component involved in biogas production. The results indicate that the fermentation process, as expected, changed the cellulose content. The lignin content of the grasses before fermentation varied more than the cellulose content. The content of holocellulose (sum of carbohydrate components) in the grasses ranged from 59.77 to 72.93% before fermentation. Methane fermentation significantly reduced the carbohydrate content in the grasses, with a low degree of polymerization. Grassland biomass-based biogas production is a viable alternative to conventional fossil fuels.
dc.description.sponsorshipThe research conducted from budget of the Department of Chemical Wood Technology and the Department of Grassland and Natural Landscape at the Poznan University of Life Sciences. The publication was financed by the Polish Minister of Science and Higher Education as part of the Strategy of the Poznan University of Life Sciences for 2024–2026 in the field of improving scientific research and development work in priority research areas.
dc.identifier.citationWaliszewska, B.; Waliszewska, H.; Grzelak, M.; Majchrzak, L.; Gaweł, E.; Murawski, M.; Sieradzka, A.; Vaskina, I.; Spek-Dźwigała, A. Evaluation of Changes in the Chemical Composition of Grasses as a Result of the Methane Fermentation Process and Biogas Production Efficiency. Energies 2024, 17, 4100. https://doi.org/10.3390/ en17164100
dc.identifier.doi10.3390/ en17164100
dc.identifier.issn1996-1073
dc.identifier.urihttps://bc.iung.pl/handle/123456789/1840
dc.language.isoen
dc.publisherMDPI
dc.subjectrenewable energy
dc.subjectbiogas plant
dc.subjectgrasses
dc.subjectchemical composition
dc.titleEvaluation of Changes in the Chemical Composition of Grasses as a Result of the Methane Fermentation Process and Biogas Production Efficiency
dc.typeArticle
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