Municipal wastewater treatment by a periodic biofilter with granular biomass

IWA Publishing 2008.

Bibliographische Detailangaben
Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 58(2008), 12 vom: 01., Seite 2395-401
1. Verfasser: Di Iaconi, C (VerfasserIn)
Weitere Verfasser: Del Moro, G, Lopez, A, De Sanctis, M, Ramadori, R
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2008
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Quaternary Ammonium Compounds Sewage Oxygen S88TT14065
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520 |a The paper reports the results obtained during an experimental campaign aimed at transferring aerobic granulation to a demonstrative SBBGR system (i.e., a submerged biofilter that operates in a "fill and draw" mode) for the treatment of municipal wastewater by financial support of the European Commission, within the framework of Life-Environment Programme (PERBIOF Project; www.perbiof-europe.com). The results show that following the generation of granular biomass during the start-up period, the SBBGR was able to remove 80-90% of COD, total suspended solids and ammonia occurring in primary effluent from a municipal wastewater treatment plant even when the minimum hydraulic residence time (i.e., 4 h) was investigated. The process was characterised by a sludge production almost one magnitude order lower than commonly reported for conventional treatment plants. The granular biomass was characterised by a high density (i.e., 150 gTSS/L(biomass)) that allowed a biomass concentration as high as 35 kgTSS/m(3)(bed) to be achieved. Proteobacteria were found as main microbial components of the granular biomass by applying Fluorescence In Situ Hybridization (FISH). No significant changes in microbial composition were observed during reactor operation 
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700 1 |a Del Moro, G  |e verfasserin  |4 aut 
700 1 |a Lopez, A  |e verfasserin  |4 aut 
700 1 |a De Sanctis, M  |e verfasserin  |4 aut 
700 1 |a Ramadori, R  |e verfasserin  |4 aut 
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