Staff Publications

Staff Publications

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    'Staff publications' is the digital repository of Wageningen University & Research

    'Staff publications' contains references to publications authored by Wageningen University staff from 1976 onward.

    Publications authored by the staff of the Research Institutes are available from 1995 onwards.

    Full text documents are added when available. The database is updated daily and currently holds about 240,000 items, of which 72,000 in open access.

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Record number 319449
Title Respirometry-based on-line model parameter estimation at a full-scale WWTP
Author(s) Spanjers, H.; Patry, G.G.; Keesman, K.J.
Source Water Science and Technology 45 (2002). - ISSN 0273-1223 - p. 4 - 5.
Department(s) Systems and Control Group
Publication type Refereed Article in a scientific journal
Publication year 2002
Keyword(s) afvalwaterbehandeling - geactiveerd slib - respirometrie - meting - modellen - rioolwater - chemisch zuurstofverbruik - waste water treatment - activated sludge - respirometry - measurement - models - sewage - chemical oxygen demand
Categories Waste Water Treatment
Abstract This paper describes part of a project to develop a systematic approach to knowledge extraction from on-line respirometric measurements in support of wastewater treatment plant control and operation. The paper deals with the following issues: (1) test of the implementation of an automatic set-up consisting of a continuous laboratory respirometer integrated in a mobile trailer with sampling and dosing equipment, and data-acquisition and communication system; (2) assessment of activated sludge/sewage characteristics from sludge respirograms by model parameter estimation; (3) comparison of the parameter estimates with regular plant data and information obtained from supplementary wastewater respirograms. The paper describes the equipment and some of its measuring results from a period of one week at a large-scale wastewater treatment plant. The measurements were evaluated in terms of the common activated sludge modelling practice. The automatic set-up allowed reliable measurements during at least one week. The data were used to calibrate two different version of the model, and independent parameter estimates were obtained.
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