Please use this identifier to cite or link to this item: http://hdl.handle.net/20.500.11889/3526
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dc.contributor.authorMahmoud, Nidal
dc.contributor.authorZeeman, Grietje
dc.contributor.authorGijzen, Huub
dc.contributor.authorLettinga, Gatze
dc.date.accessioned2016-10-29T08:02:25Z
dc.date.available2016-10-29T08:02:25Z
dc.date.issued2004
dc.identifier.urihttp://hdl.handle.net/20.500.11889/3526
dc.descriptionEnvironmental Engineering Zeeman,Grietje: Gijzen,Huub: Lettinga,Gatze:en_US
dc.description.abstractThe potential of a novel technology consisting of a UASB complemented with a digester (UASB-Digester) for mutual sewage treatment and sludge stabilisation under low temperature conditions was investigated. The performance of the UASB-Digester system was compared with a one stage UASB. The UASB reactor was operated at a HRT of 6 hours and controlled temperature of 15°C, the average sewage temperature in the Middle East countries during wintertime, while the digester was operated at 35 °C. The UASB-Digester provided substantially better removal efficiencies and conversion than the one stage UASB reactor (p<0.05). The achieved removal efficiencies in the UASB-Digester and the one stage UASB for CODt, CODss, CODcol and CODdis are "66, 87, 44 and 30" and "44, 73, 3 and 5"% for both systems, respectively. The wasted sludge from the UASB-Digester is much more stabilised. The performance of the UASB digester is as good as that achieved in tropical countries. Therefore, the anaerobic sewage treatment at low temperature in a UASB-Digester system is recommended
dc.language.isoenen_US
dc.subject.lcshSewage - Purification - Anaerobic treatment
dc.subject.lcshRefuse and refuse disposal - Biodegradation
dc.subject.lcshAnaerobic bacteria - Environmental aspects
dc.titleAnaerobic sewage treatment in a one-stage UASB reactor and a combined UASB-Digester systemen_US
dc.typeContribution in refereed journalsen_US
newfileds.item-access-typeopen_accessen_US
newfileds.general-subjectEnvironmental Engineeringen_US
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