Comparative performance of RBC operated under pressure and open to the atmosphere at high loading conditions

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dc.contributor.authorBerktay, A
dc.contributor.authorEllis, KV
dc.date.accessioned2020-03-26T16:56:42Z
dc.date.available2020-03-26T16:56:42Z
dc.date.issued2005
dc.departmentSelçuk Üniversitesien_US
dc.description.abstractThe aim of this research was to investigate the effects of pressure on aerobic biological wastewater treatment processes. For the purpose of the investigation two specially designed, identical, laboratory-scale rotating biological contactor (RBC) units were constructed. One of these was held in a steel pressure vessel while the other, as reference unit, was operated open to the atmosphere. The treatment capabilities of the pressurized unit, compared to those of the reference unit, were determined for a variety of organic loading rates at a 5-bar pressure. The unit under pressure was able to produce a much better effluent, in comparison with the reference unit when operating at higher loading conditions. The filtered BOD5 in the effluent from the unit under pressure was always less than 10 mgL(-1), whereas the sludge yield coefficient was as low as 0.21 kg dry solids/kg BOD5 removed, even with the unit loaded even at an organic loading rate of 27.0 g BOD5/m(2) (.) day. However, the development of the nitrification decreased sharply as the organic loading increased. The indication is that the unit under pressure is able to operate over a wide range of loading with a small variation in the effluent quality. The principal benefits of increasing pressure were recorded to be significantly improved nitrification and a decrease in the sludge yield coefficient.en_US
dc.identifier.doi10.1089/ees.2005.22.699en_US
dc.identifier.endpage706en_US
dc.identifier.issn1092-8758en_US
dc.identifier.issue5en_US
dc.identifier.scopusqualityQ3en_US
dc.identifier.startpage699en_US
dc.identifier.urihttps://dx.doi.org/10.1089/ees.2005.22.699
dc.identifier.urihttps://hdl.handle.net/20.500.12395/19632
dc.identifier.volume22en_US
dc.identifier.wosWOS:000231374500016en_US
dc.identifier.wosqualityQ2en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherMARY ANN LIEBERT INCen_US
dc.relation.ispartofENVIRONMENTAL ENGINEERING SCIENCEen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.selcuk20240510_oaigen_US
dc.subjectRBCen_US
dc.subjectpressureen_US
dc.subjecthigh organic loadingen_US
dc.subjectnitrificationen_US
dc.subjectsludge yield coefficienten_US
dc.titleComparative performance of RBC operated under pressure and open to the atmosphere at high loading conditionsen_US
dc.typeArticleen_US

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