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The Use of Chitosan/Perlite Material for Microbial Support in Anaerobic Digestion of Food Waste

cris.virtual.author-orcid0000-0001-6128-0315
cris.virtual.author-orcid0000-0002-2610-6116
cris.virtual.author-orcid0000-0002-5829-502X
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cris.virtual.author-orcid0000-0003-0810-8086
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cris.virtualsource.author-orcidab187d78-3916-499a-a077-9e8a0069cf71
cris.virtualsource.author-orcid7ed2fddc-9c67-4788-8dfb-b9407163a844
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cris.virtualsource.author-orcid25b4fea8-1bac-418e-b7bf-c26ec1e15244
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cris.virtualsource.author-orcid90398b3a-5dd4-4557-a041-509a3389a7fb
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dc.abstract.enThis study aims to evaluate the effect of adding a chitosan/perlite (Ch/P) carrier to anaerobic digestion (AD) on the efficiency and kinetics of the process, as well as the directional changes in the bacterial microbiome. A carrier with this composition was applied in the AD process for the first time. A laboratory experiment using wafer waste (WF) and cheese (CE) waste was conducted under mesophilic conditions. The analysis of physico-chemical properties confirmed the suitability of the tested carrier material for anaerobic digestion. Both components influenced the microstructural characteristics of the carrier: perlite contributed to the development of specific surface area, while chitosan determined the porosity of the system. Using next-generation sequencing (NGS), the study examined how the additive affected the genetic diversity of bacterial communities. Fourier-transform infrared spectroscopy (FTIR) revealed that the degradation rate depended on both the carrier and the substrate type. Consequently, the presence of the carrier led to an increase in the volume of biogas and methane produced. The volume of methane for the wafer waste (WF–control) increased from 351.72 m3 Mg−1 (VS) to 410.74 m3 Mg−1 (VS), while for the cosubstrate sample (wafer and cheese, WFC–control), it increased from 476.84 m3 Mg−1 (VS) to 588.55 m3 Mg−1 (VS).
dc.affiliationWydział Inżynierii Środowiska i Inżynierii Mechanicznej
dc.affiliation.instituteKatedra Inżynierii Wodnej i Sanitarnej
dc.contributor.authorPilarska, Agnieszka
dc.contributor.authorMarzec-Grządziel, Anna
dc.contributor.authorMakowska, Małgorzata
dc.contributor.authorKolasa- Więcek, Alicja
dc.contributor.authorRanjitha ,Jambulingam
dc.contributor.authorKałuża, Tomasz
dc.contributor.authorPilarski, Krzysztof
dc.date.access2025-07-30
dc.date.accessioned2025-07-30T11:21:58Z
dc.date.available2025-07-30T11:21:58Z
dc.date.copyright2025-07-26
dc.date.issued2025
dc.description.accesstimeat_publication
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if3,2
dc.description.number15
dc.description.points140
dc.description.versionfinal_published
dc.description.volume18
dc.identifier.doi10.3390/ma18153504
dc.identifier.issn1996-1944
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/4028
dc.identifier.weblinkhttps://www.mdpi.com/1996-1944/18/15/3504
dc.languageen
dc.pbn.affiliationenvironmental engineering, mining and energy
dc.relation.ispartofMaterials
dc.relation.pages3504
dc.rightsCC-BY
dc.sciencecloudsend
dc.share.typeOPEN_JOURNAL
dc.subject.enchitosan/perlite system
dc.subject.enphysico-chemical properties
dc.subject.enfood waste
dc.subject.enanaerobic digestion
dc.subject.enprocess efficiency
dc.subject.enNGS
dc.subject.enFTIR
dc.titleThe Use of Chitosan/Perlite Material for Microbial Support in Anaerobic Digestion of Food Waste
dc.typeJournalArticle
dspace.entity.typePublication