Influence of secondary settling tank performance on suspended solids mass balance in activated sludge systems

Water Research

Volumn 46, Issue 7, 2012, Pages 2415-2424

  Patziger, M ^a   Kainz, H ^b   Hunze, M ^c   Jozsa J ^d  

^a Mélyépterv Komplex Zrt   (Hungary)

^b GRAZ UNIVERSITY OF TECHNOLOGY   (Austria)

^c Flow Concept GmbH   (Germany)

^d BUDAPEST UNIVERSITY OF TECHNOLOGY AND ECONOMICS   (Hungary)

Author keywords

Activated sludge system; CFD modelling; Inlet geometry; Secondary settling tank; Sludge return rate design

Indexed keywords

ACTIVATED SLUDGE PROCESS; BIOLOGICAL WATER TREATMENT; COMPUTATIONAL FLUID DYNAMICS; DYNAMIC LOADS; FLOW RATE; GEOMETRY; WASTEWATER TREATMENT;

ACTIVATED SLUDGE; ACTIVATED SLUDGE SYSTEMS; BIOLOGICAL REACTOR; CFD MODELING; INLET GEOMETRY; MEASUREMENTS OF; PEAK FLOWS; PERFORMANCE; SECONDARY SETTLING TANKS; SLUDGE RETURN RATE DESIGN;

EFFLUENTS;

WATER;

ACTIVATED SLUDGE; BIOMASS; BIOREACTOR; COMPUTATIONAL FLUID DYNAMICS; EFFLUENT; FLOW VELOCITY; MASS BALANCE; PEAK FLOW; SUSPENDED LOAD; WASTEWATER; WATER TREATMENT;

ACTIVATED SLUDGE; ARTICLE; BIOLOGICAL REACTOR; BIOMASS; BIOREACTOR; CALIBRATION; CHEMICAL MODIFICATION; CONTROLLED STUDY; DYNAMICS; FLOW RATE; GEOMETRY; LARGE SCALE PRODUCTION; PEAK EXPIRATORY FLOW; PRIORITY JOURNAL; SECONDARY SETTLING TANK; SEPTIC TANK; SLUDGE; SURFACE PROPERTY; SUSPENDED PARTICULATE MATTER; TOTAL SUSPENDED SOLIDS; WASTE WATER TREATMENT PLANT; WATER QUALITY; WATER TRANSPORT;

EID: 84858076603     PISSN: 00431354     EISSN: 18792448     Source Type: Journal    
DOI: 10.1016/j.watres.2012.02.007     Document Type: Article

References (19)

1. Armbruster M., Krebs P., Rodi W. Numerical modelling of dynamic sludge blanket behaviour in secondary clarifiers. Water Science and Technology 2001, 43(11):173-180.
2. ATV DVWK A 131E Dimensioning of Single-Stage Activated Sludge Plants DWA Hennef 2000.
3. Bürger R., Diehl S., Nopens I. A consistent modelling methodology for secondary settling tanks in wastewater treatment. Water Research March 2011, 45(6):2247-2260.
4. de Clercq B. Computational fluid dynamics of settling tanks - development of experiments and rheological, settling, and scraper submodels 2003, University of Gent, 324 p.
5. Ekama G.A., Barnard J.L., Günthert F.W., Krebs P., McCorquodale J.A., Parker D.S., Wahlberg E.J. Secondary Settling Tanks: Theory, Modelling, Design and Operation 1997, IAWQ Scientific and Technical Report No. 6, London.
6. Freimann R. Strömungsstrukturen in horizontal durchströmten Nachklärbecken 1999, Mitteilung Nr. 65. Lehrstuhl für Hydraulik und Gewässerkunde Technische Universität.
7. Gong M., Xantos S., Ramalingam K., Fillos J., Beckmann K., Deur A., McCorquodale J.A. Development of a flocculation sub-model for a 3-D CFD model based on rectangular settling tanks. Water Science and Technology 2011, 63(2):213-219.
8. Günthert F.W. Ein Beitrag zur Bemessung von Schlammräumung und Eindickzone in horizontal durchströmten runden Nachklärbecken von Belebungsanlagen 1984, Bericht 49. Wassergütewirtschaft und Gesundheitsingenieurwesen, Technische Universität München.
9. Hunze M. Simulation in der kommunalen Abwasserreinigung 2005, Oldenburg Industrieverlag, Munich, Germany, 380 p.
10. Kainz H. Auswirkungen von Stoßbelastungen auf den Feststoffhaushalt einer Belebungsanlage 1991, vol. 16. Institute of Urban Water Management, Graz University of Technology.
11. Krebs P. The hydraulics of final settling tanks. Water Science and Technology 1991, 23(4-6):1037-1046.
12. Larsen P. On the Hydraulics of Rectangular Settling Basins 1977, vol. 1001. Dep. Water Research Engineering, Lund Institute for Technology, University of Lund, Sweden.
13. Patziger M., Kainz H., Józsa J., und Hunze M. Messung und Modellierung von physikalischen Prozessen in Nachklärbecken. österreichischen Wasser- und Abfallwirtschaft 2005, 12/05(57):177-184.
14. Patziger M. Untersuchung der Schlammbilanz in Belebungsstufen aufbauend auf den Prozessen im Nachklärbecken 2007, Band 48. Institut für Siedlungswasserwirtschaft und Landschaftswasserbau, Technische Universität Graz, pp. 210.
15. Patziger M., Kainz H., Józsa J., Hunze M. Analysing sludge balance in activated sludge systems with a novel mass transport model. Water Science and Technology 2008, 57:1413-1419.
16. Rodi W. Turbulence Models and Their Application in the Hydraulics: A State of the Art Review 1980, International Association for Hydraulic Research, Delft, The Netherlands.
17. Takács I., Patry G.G., Nolasco D. A dynamic model of the clarification-thickening process. Water Research 1991, 25:1263-1271.
18. Vesilind B.A. Design of prototype thickeners from batch settling tests. Water and Sewage Works Mount Morris 1968, 115(7):302-307.
19. Winkler K. Räumung in Nachklärbecken von Abwasserreinigungsanlagen 2001, ETH Zürich, Mitteilungen 170 VAW, 214 p.