Control of scum accumulation in a double stage biogas collection (DSBC) UASB reactor treating domestic wastewater

This paper presents an innovative reactor concept which is based on a double-stage biogas collection (DSBC) device aimed at controlling scum formation and accumulation in UASB reactors treating municipal wastewater. Scum production inside a control reactor and a DSBC-UASB reactor was compared and mu...

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Bibliographische Detailangaben
Veröffentlicht in:Water science and technology : a journal of the International Association on Water Pollution Research. - 1986. - 59(2009), 6 vom: 05., Seite 1077-83
1. Verfasser: Pereira, J O (VerfasserIn)
Weitere Verfasser: Celani, J S S, Chernicharo, C A L
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Water science and technology : a journal of the International Association on Water Pollution Research
Schlagworte:Journal Article Gases
Beschreibung
Zusammenfassung:This paper presents an innovative reactor concept which is based on a double-stage biogas collection (DSBC) device aimed at controlling scum formation and accumulation in UASB reactors treating municipal wastewater. Scum production inside a control reactor and a DSBC-UASB reactor was compared and much lower scum yield coefficients were observed for the DSBC-UASB reactor. However, the mass balance indicated that the dominant control mechanism was scum disaggregation and exit to settler zone rather than scum degradation
Beschreibung:Date Completed 15.06.2009
Date Revised 06.04.2009
published: Print
Citation Status MEDLINE
ISSN:0273-1223
DOI:10.2166/wst.2009.093