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Interactions between surface properties of pristine coals and the intrinsic microbial communities involved in methane formation

cris.lastimport.scopus2025-10-23T06:58:24Z
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cris.virtualsource.author-orcida2f42993-2b76-4d53-acc8-61c1b5b10c4e
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dc.abstract.enAs climate change continues, there is growing interest in the biological, in situ conversion of coal to methane, which is a cleaner and more efficient source of energy. The purpose of this study was to reveal the relationship between the surface properties of coals and the intrinsic microbial communities involved in methane formation. The material examined included nine coals varying in maturity and methane-bearing capacity. Compilation of data on wettability (θw) (measured by a sessile drop method) and microbial community composition (next-generation sequencing (NGS)) revealed that the occurrence of Bacteroidetes, Firmicutes and methanogenic Euryarchaeota was significantly, positively (P < 0.05) correlated with θw of coal. The dependence was the opposite for Actinobacteria. These results suggest that the groups of microorganisms responsible for the decomposition of organic matter in bituminous coals (hydrophobic) and lignites (hydrophilic) differ, which may impact methane formation in the seams. This is because Bacteroidetes and Firmicutes stimulate this process, while the influence of Actinobacteria is the opposite. Our work demonstrates for the first time the links between the surface properties of coals, geotectonic conditions, microbial ecophysiology and the methane-bearing capacity of the coals.
dc.affiliationWydział Inżynierii Środowiska i Inżynierii Mechanicznej
dc.affiliation.instituteKatedra Inżynierii Biosystemów
dc.contributor.authorPytlak, Anna
dc.contributor.authorJaromin-Gleń, Katarzyna
dc.contributor.authorSujak, Agnieszka
dc.contributor.authorSzafranek-Nakonieczna, Anna
dc.date.accessioned2024-08-20T12:17:39Z
dc.date.available2024-08-20T12:17:39Z
dc.date.issued2024
dc.description.bibliographybibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if5,7
dc.description.number1 February 2024
dc.description.points140
dc.description.reviewreview
dc.description.volume282
dc.identifier.doi10.1016/j.coal.2023.104422
dc.identifier.eissn1872-7840
dc.identifier.issn0166-5162
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/1669
dc.languageen
dc.pbn.affiliationmechanical engineering
dc.relation.ispartofInternational Journal of Coal Geology
dc.relation.pagesart. 104422
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.encoal
dc.subject.enmicrobial community
dc.subject.enmethane
dc.subject.ensurface properties
dc.subject.enwettability
dc.titleInteractions between surface properties of pristine coals and the intrinsic microbial communities involved in methane formation
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.volume282
project.funder.nameb.d.