Anaerobic digestion of chicken manure: Mitigating process inhibition at high ammonia concentrations by selenium supplementation

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dc.contributor.authorMolaey, Rahim
dc.contributor.authorBayrakdar, Alper
dc.contributor.authorSurmeli, Recep Onder
dc.contributor.authorCalli, Baris
dc.date.accessioned2024-02-23T14:02:13Z
dc.date.available2024-02-23T14:02:13Z
dc.date.issued2018
dc.departmentNEÜen_US
dc.description.abstractIn this study, the anaerobic digestion of nitrogen-rich chicken manure from egg-laying hens was investigated via long-term continuous experiments with and without the addition of different trace elements. With trace element supplementation, a CH4 yield of 0.26 +/- 0.03 m(3) kg(-1) of volatile solids (VS) added was achieved at an organic loading rate (OLR) of 3.62 kg m(-3) day(-1) based on VS and total ammonia nitrogen (TAN) content greater than 7200 g m(-3). Selenium (Se) was identified as the critical trace element for the stable anaerobic digestion of chicken manure. The dominant methanogen in the reactors was the hydrogenotrophic methanogen Methanoculleus bourgensis. Therefore, we concluded that at elevated TAN concentrations, the CH4 production stimulated by Se supplementation likely occurred through syntrophic acetate oxidation. Without trace element supplementation, severe acetic and propionic acid accumulation occurred, causing the CH4 yield to decrease below 0.12 m(3) kg(-1) of VS added.en_US
dc.description.sponsorshipCOST Action [ES1302]; TUBITAK [113Y333]en_US
dc.description.sponsorshipThe authors would like to acknowledge networking support by the COST Action ES1302 and financial support by TUBITAK (Project No. 113Y333.en_US
dc.identifier.doi10.1016/j.biombioe.2017.10.050
dc.identifier.endpage446en_US
dc.identifier.issn0961-9534
dc.identifier.issn1873-2909
dc.identifier.scopus2-s2.0-85032933175en_US
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage439en_US
dc.identifier.urihttps://doi.org/10.1016/j.biombioe.2017.10.050
dc.identifier.urihttps://hdl.handle.net/20.500.12452/11635
dc.identifier.volume108en_US
dc.identifier.wosWOS:000418858800045en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherPergamon-Elsevier Science Ltden_US
dc.relation.ispartofBiomass & Bioenergyen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAmmoniaen_US
dc.subjectAnaerobic Digestionen_US
dc.subjectChicken Manureen_US
dc.subjectSyntrophic Acetate Oxidationen_US
dc.subjectTrace Elementsen_US
dc.subjectSeleniumen_US
dc.titleAnaerobic digestion of chicken manure: Mitigating process inhibition at high ammonia concentrations by selenium supplementationen_US
dc.typeArticleen_US

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