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Waste-to-energy: Biogas potential of waste from coffee production and consumption

cris.virtual.author-orcid0000-0002-7750-9265
cris.virtual.author-orcid0000-0002-6438-3608
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cris.virtual.author-orcid0000-0002-3162-1198
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cris.virtualsource.author-orcid723cb16b-5343-4f7e-a53a-308ccdb5aae2
cris.virtualsource.author-orcid20cc8894-70da-456f-9f5d-16bd97650f52
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cris.virtualsource.author-orcid4cff8168-b6cd-4dca-8c55-0b9f2f7dd173
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dc.abstract.enThe generation of waste is a necessary process related to the production and consumption of coffee. One of the wastes associated with the production of coffee is the husk, which separates from the beans when it is roasted. The waste from the consumption of coffee is spent coffee grounds generated during the coffee brewing process. The study aimed to determine the possibility of coffee production and consumption waste conversion in the anaerobic digestion process. The tested parameters were, among others, biogas efficiency, methane efficiency, and methane content in biogas. The experiment was conducted under anaerobic digestion conditions using DIN 38414/S8 norm. The total solids content of the coffee husk was 93.37%, with the organic matter content at 93.34%. The biogas efficiency in terms of fresh matter was 329.50 m3‧Mg−1. The total solids content of all three analyzed grounds samples ranged from 41.27 to 45.72%. The high volatile solids content, in the 97.91–98.41% range, confirmed the biogas potential. In all three samples of coffee grounds, biogas efficiency was in the range of 225.45–270.97 m3‧Mg−1. The obtained results allow concluding that analyzed coffee production and consumption waste have a high potential for biogas production.
dc.affiliationWydział Inżynierii Środowiska i Inżynierii Mechanicznej
dc.affiliation.instituteKatedra Inżynierii Biosystemów
dc.contributor.authorCzekała, Wojciech
dc.contributor.authorŁukomska, Aleksandra
dc.contributor.authorPulka, Jakub
dc.contributor.authorBojarski, Wiktor
dc.contributor.authorPochwatka, Patrycja
dc.contributor.authorKowalczyk-Juśko, Alina
dc.contributor.authorOniszczuk, Anna
dc.contributor.authorDach, Jacek
dc.date.accessioned2025-09-09T05:57:39Z
dc.date.available2025-09-09T05:57:39Z
dc.date.issued2023
dc.description.bibliographyil., bibliogr.
dc.description.financepublication_nocost
dc.description.financecost0,00
dc.description.if9,0
dc.description.number1 August 2023
dc.description.points200
dc.description.volume276
dc.identifier.doi10.1016/j.energy.2023.127604
dc.identifier.eissn1873-6785
dc.identifier.issn0360-5442
dc.identifier.urihttps://sciencerep.up.poznan.pl/handle/item/4672
dc.languageen
dc.relation.ispartofEnergy
dc.relation.pagesart. 127604
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.subject.enbiofuels
dc.subject.enbiogas efficiency
dc.subject.encoffee husk
dc.subject.enspent coffee grounds
dc.subject.ensustainable development
dc.subject.encircular economy
dc.titleWaste-to-energy: Biogas potential of waste from coffee production and consumption
dc.typeJournalArticle
dspace.entity.typePublication
oaire.citation.volume276