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Activated sludge pilot plant: comparison between experimental and predicted concentration profiles using three different modelling approaches.

Identifieur interne : 000066 ( Hal/Corpus ); précédent : 000065; suivant : 000067

Activated sludge pilot plant: comparison between experimental and predicted concentration profiles using three different modelling approaches.

Auteurs : Y. Le Moullec ; O. Potier ; C. Gentric ; J. P. Leclerc

Source :

RBID : Hal:hal-00655904

Abstract

This paper presents an experimental and numerical study of an activated sludge channel pilot plant. Concentration profiles of oxygen, COD, NO(3) and NH(4) have been measured for several operating conditions. These profiles have been compared to the simulated ones with three different modelling approaches, namely a systemic approach, CFD and compartmental modelling. For these three approaches, the kinetics model was the ASM-1 model (Henze et al., 2001). The three approaches allowed a reasonable simulation of all the concentration profiles except for ammonium for which the simulations results were far from the experimental ones. The analysis of the results showed that the role of the kinetics model is of primary importance for the prediction of activated sludge reactors performance. The fact that existing kinetics parameters in the literature have been determined by parametric optimisation using a systemic model limits the reliability of the prediction of local concentrations and of the local design of activated sludge reactors.

Url:
DOI: 10.1016/j.watres.2011.03.019

Links to Exploration step

Hal:hal-00655904

Le document en format XML

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<div type="abstract" xml:lang="en">This paper presents an experimental and numerical study of an activated sludge channel pilot plant. Concentration profiles of oxygen, COD, NO(3) and NH(4) have been measured for several operating conditions. These profiles have been compared to the simulated ones with three different modelling approaches, namely a systemic approach, CFD and compartmental modelling. For these three approaches, the kinetics model was the ASM-1 model (Henze et al., 2001). The three approaches allowed a reasonable simulation of all the concentration profiles except for ammonium for which the simulations results were far from the experimental ones. The analysis of the results showed that the role of the kinetics model is of primary importance for the prediction of activated sludge reactors performance. The fact that existing kinetics parameters in the literature have been determined by parametric optimisation using a systemic model limits the reliability of the prediction of local concentrations and of the local design of activated sludge reactors.</div>
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<email>josiane.moras@ensic.inpl-nancy.fr</email>
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<idno type="halRefHtml">Water Research, IWA Publishing, 2011, 45 (10), pp.3085-97. <10.1016/j.watres.2011.03.019></idno>
<idno type="halRef">Water Research, IWA Publishing, 2011, 45 (10), pp.3085-97. <10.1016/j.watres.2011.03.019></idno>
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<idno type="stamp" n="CNRS">CNRS - Centre national de la recherche scientifique</idno>
<idno type="stamp" n="LRGP-UL">LRGP</idno>
<idno type="stamp" n="UNIV-LORRAINE">Université de Lorraine</idno>
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<title xml:lang="en">Activated sludge pilot plant: comparison between experimental and predicted concentration profiles using three different modelling approaches.</title>
<author role="aut">
<persName>
<forename type="first">Y.</forename>
<surname>Le Moullec</surname>
</persName>
<idno type="halAuthorId">322004</idno>
<affiliation ref="#struct-211875"></affiliation>
</author>
<author role="aut">
<persName>
<forename type="first">O.</forename>
<surname>Potier</surname>
</persName>
<idno type="halAuthorId">310411</idno>
<affiliation ref="#struct-211875"></affiliation>
</author>
<author role="aut">
<persName>
<forename type="first">C.</forename>
<surname>Gentric</surname>
</persName>
<idno type="halAuthorId">91785</idno>
<affiliation ref="#struct-211875"></affiliation>
</author>
<author role="aut">
<persName>
<forename type="first">J.P.</forename>
<surname>Leclerc</surname>
</persName>
<idno type="halAuthorId">92013</idno>
<affiliation ref="#struct-211875"></affiliation>
</author>
</analytic>
<monogr>
<idno type="localRef">Equipe de recherche : Sols et Eaux</idno>
<idno type="halJournalId" status="VALID">9239</idno>
<idno type="issn">0043-1354</idno>
<title level="j">Water Research</title>
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<publisher>IWA Publishing</publisher>
<biblScope unit="volume">45</biblScope>
<biblScope unit="issue">10</biblScope>
<biblScope unit="pp">3085-97</biblScope>
<date type="datePub">2011</date>
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<idno type="doi">10.1016/j.watres.2011.03.019</idno>
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<abstract xml:lang="en">This paper presents an experimental and numerical study of an activated sludge channel pilot plant. Concentration profiles of oxygen, COD, NO(3) and NH(4) have been measured for several operating conditions. These profiles have been compared to the simulated ones with three different modelling approaches, namely a systemic approach, CFD and compartmental modelling. For these three approaches, the kinetics model was the ASM-1 model (Henze et al., 2001). The three approaches allowed a reasonable simulation of all the concentration profiles except for ammonium for which the simulations results were far from the experimental ones. The analysis of the results showed that the role of the kinetics model is of primary importance for the prediction of activated sludge reactors performance. The fact that existing kinetics parameters in the literature have been determined by parametric optimisation using a systemic model limits the reliability of the prediction of local concentrations and of the local design of activated sludge reactors.</abstract>
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