High-rate anaerobic treatment of digestate using fixed film reactors

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dc.contributor.authorÜlgüdür, Nilüfer
dc.contributor.authorErgüder, Tuba H.
dc.contributor.authorDemirer, Sibel Uludağ
dc.contributor.authorDemirer, Göksel N.
dc.date.accessioned2020-05-01T12:10:23Z
dc.date.available2020-05-01T12:10:23Z
dc.date.issued2019
dc.departmentDÜ, Mühendislik Fakültesi, Çevre Mühendisliği Bölümüen_US
dc.descriptionUlgudur, Nilufer/0000-0003-3410-0598; Demirer, Goksel/0000-0001-6030-2041en_US
dc.descriptionWOS: 000483405400073en_US
dc.descriptionPubMed: 31284204en_US
dc.description.abstractThe effluent stream of the anaerobic digestion processes, the digestate, accommodates high residual organic content that needs to be further treated before discharge. Anaerobic treatment of digestate would not only reduce the residual organic compounds in digestate but also has a potential to capture the associated biogas. High-rate anaerobic reactor configurations can treat the waste streams using lower hydraulic retention times which requires less footprint opposed to the conventional completely stirred tank reactors. This study investigated the high-rate anaerobic treatment performance and the associated biogas capture from the digestate of a manure mixture composed of 90% laying hen and 10% cattle manures in fixed-film reactors. The results indicated that it was possible to reduce total chemical oxygen demand content of the digestate by 57-62% in 1.3-1.4 days of hydraulic retention time. The corresponding biogas yields obtained were in the range of 0.395-0.430 L-biogas/gVS(added) which were found to be comparable to many raw feedstocks. Moreover, significant total phosphorus reduction (36-47%) and greenhouse gas capture (over 14.5-18.1 tCO(2)e/d per m(3) digestate) were also recorded in the anaerobic fixed-film reactors. (C) 2019 Elsevier Ltd. All rights reserved.en_US
dc.identifier.doi10.1016/j.envpol.2019.06.115en_US
dc.identifier.endpage1632en_US
dc.identifier.issn0269-7491
dc.identifier.issn1873-6424
dc.identifier.scopusqualityQ1en_US
dc.identifier.startpage1622en_US
dc.identifier.urihttps://doi.org/10.1016/j.envpol.2019.06.115
dc.identifier.urihttps://hdl.handle.net/20.500.12684/6171
dc.identifier.volume252en_US
dc.identifier.wosWOS:000483405400073en_US
dc.identifier.wosqualityQ1en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherElsevier Sci Ltden_US
dc.relation.ispartofEnvironmental Pollutionen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectDigestateen_US
dc.subjectManagementen_US
dc.subjectHigh-rateen_US
dc.subjectAnaerobicen_US
dc.subjectTreatmenten_US
dc.subjectBiogasen_US
dc.titleHigh-rate anaerobic treatment of digestate using fixed film reactorsen_US
dc.typeArticleen_US

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