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Water Science & Technology—WST Vol 57 No 9 pp 1483–1486 © IWA Publishing 2008 doi:10.2166/wst.2008.228 Generation of diurnal variation for influent data for dynamic simulationG. Langergraber, N. Weissenbacher, J. Alex, D. Woerner, M. Ahnert, T. Frehmann, N. Halft, I. Hobus, M. Plattes, V. Spering and S. WinklerInstitute of Sanitary Engineering and Water Pollution Control, University of Natural Resources and Applied Life Sciences, Vienna (BOKU), Muthgasse 18, A-1190, Vienna, Austria guenter.langergraber@boku.ac.atifak, Institut f. Automation und Kommunikation, Barleben, Germany iaks - Ingenieurbüro für Abfluss – Kläranlagen – Steuerung GmbH, Sonthofen, Germany Institute for Urban Water Management, TU, Dresden, Germany Emschergenossenschaft/Lippeverband, Essen, Germany Department of Environmental Engineering, RWTH, Aachen, Germany Wupperverbandsgesellschaft für integrale Wasserwirtschaft mbH, Wuppertal, Germany CRTE, CRP Henri Tudor, Esch-sur-, Alzette, Luxembourg Institute of Sanitary Engineering and Waste Management (ISAH), University of Hanover, Hanover, Germany Vienna University of Technology, Institute of Water Quality, Resources and Waste Management, Vienna, Austria ABSTRACT When using dynamic simulation for fine tuning of the design of activated sludge (AS) plants diurnal variations of influent data are required. For this application usually only data from the design process and no measured data are available. In this paper a simple method to generate diurnal variations of wastewater flow and concentrations is described. The aim is to generate realistic influent data in terms of flow, concentrations and TKN/COD ratios and not to predict the influent of the AS plant in detail. The work has been prepared within the framework of HSG-Sim (Hochschulgruppe Simulation, Keywords: activated sludge; diurnal variation; dynamic simulation; influent data; modelling eProduct: Buy this article for £24.00 (IWA MEMBER PRICE: £18.00) All prices include VAT. For customers where VAT should not be applied, the VAT amount will be removed upon payment |
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