LrgpV1, Main, Exploration, bibRecord, 002307

Steady state analysis of the coupling aerator and secondary settling tank in activated sludge process

Identifieur interne : 002307 ( Main/Exploration ); précédent : 002306; suivant : 002308

Steady state analysis of the coupling aerator and secondary settling tank in activated sludge process

Auteurs : S. H. Cho [Corée du Sud] ; H. N. Chang [Corée du Sud] ; C. Prost [France]

Source :

Water Research [ 0043-1354 ] ; 1996.

RBID : ISTEX:ABDCCD730F54A8AD831091343AE7D0F7FC795106

Descripteurs français

Pascal (Inist)
- Bassin aération, Bassin décantation, Boue activée, Couplage, Epuration biologique, Epuration eau usée, Modélisation, Régime permanent.
Wicri :
- topic : Biomasse, Polluant, Eau usée.

English descriptors

Abstract

Abstract: The steady state analysis of coupling the function of aerator and secondary settling tank in activated sludge process for wastewater treatment is carried out to obtain appropriate responses of output variables and to decide optimum operating parameters. To consider the effect of the secondary settling tank, limit flux theory is applied and the aerator is assumed to be a continuous flow stirred tank reactor. By using sludge recycle ratio and sludge waste ratio as the operating parameters, the responses of the output variables—biomass concentration in aerator, dissolved pollutant and solid concentration in effluent—are represented as response surfaces and isoresponse curves. Acceptable operating zone can be obtained from the curves and optimum parameters can be determined. Coupling the function of aerator and secondary settling tank is important to consider the appropriate control of an activated sludge process.

Url:

https://api.istex.fr/document/ABDCCD730F54A8AD831091343AE7D0F7FC795106/fulltext/pdf

DOI: 10.1016/S0043-1354(96)00158-3

Affiliations:

Le document en format XML

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<profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Activated sludge</term>
<term>Aeration tank</term>
<term>Aerator volume</term>
<term>Biological purification</term>
<term>Biological reaction kinetics</term>
<term>Biomass</term>
<term>Biomass concentration</term>
<term>Concentration factor</term>
<term>Continuous flow</term>
<term>Coupling</term>
<term>Criterion boundary</term>
<term>Effluent flowrate</term>
<term>Elsevier science</term>
<term>Endogenous decay coefficient</term>
<term>Exponential model</term>
<term>Hydraulic retention time</term>
<term>Initial flux</term>
<term>Isoresponse</term>
<term>Isoresponse curve</term>
<term>Isoresponse curves</term>
<term>Limit flux</term>
<term>Limit flux concentration</term>
<term>Limit flux concentrations</term>
<term>Limit flux layer</term>
<term>Limit flux theory</term>
<term>Line zone</term>
<term>Mass transport</term>
<term>Material balance</term>
<term>Modeling</term>
<term>Other case</term>
<term>Other hand</term>
<term>Output variables</term>
<term>Pollutant</term>
<term>Pollutant concentration</term>
<term>Pollutant concentrations</term>
<term>Power model</term>
<term>Reaction rate</term>
<term>Response surface</term>
<term>Sample calculation</term>
<term>Sample case study</term>
<term>Settling pond</term>
<term>Sludge</term>
<term>Sludge concentration factor</term>
<term>Sludge process</term>
<term>Sludge ratio</term>
<term>Sludge system</term>
<term>Sludge waste ratio</term>
<term>Solid concentration</term>
<term>Solid concentration factor</term>
<term>Solid entrainment</term>
<term>Solid flux</term>
<term>Solid retention time</term>
<term>Steady state</term>
<term>Steady state analysis</term>
<term>Steady state responses</term>
<term>Substrate concentration</term>
<term>Substrate consumption rate</term>
<term>Supernatant</term>
<term>Surface area</term>
<term>Tank reactor</term>
<term>Unified basis</term>
<term>Waste sludge ratio</term>
<term>Waste water purification</term>
<term>Wastewater</term>
<term>Wastewater treatment</term>
<term>Wastewater treatment plant</term>
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<keywords scheme="Pascal" xml:lang="fr"><term>Bassin aération</term>
<term>Bassin décantation</term>
<term>Boue activée</term>
<term>Couplage</term>
<term>Epuration biologique</term>
<term>Epuration eau usée</term>
<term>Modélisation</term>
<term>Régime permanent</term>
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<keywords scheme="Teeft" xml:lang="en"><term>Aerator volume</term>
<term>Biological reaction kinetics</term>
<term>Biomass</term>
<term>Biomass concentration</term>
<term>Concentration factor</term>
<term>Continuous flow</term>
<term>Criterion boundary</term>
<term>Effluent flowrate</term>
<term>Elsevier science</term>
<term>Endogenous decay coefficient</term>
<term>Exponential model</term>
<term>Hydraulic retention time</term>
<term>Initial flux</term>
<term>Isoresponse</term>
<term>Isoresponse curve</term>
<term>Isoresponse curves</term>
<term>Limit flux</term>
<term>Limit flux concentration</term>
<term>Limit flux concentrations</term>
<term>Limit flux layer</term>
<term>Limit flux theory</term>
<term>Line zone</term>
<term>Mass transport</term>
<term>Material balance</term>
<term>Other case</term>
<term>Other hand</term>
<term>Output variables</term>
<term>Pollutant</term>
<term>Pollutant concentration</term>
<term>Pollutant concentrations</term>
<term>Power model</term>
<term>Reaction rate</term>
<term>Response surface</term>
<term>Sample calculation</term>
<term>Sample case study</term>
<term>Sludge</term>
<term>Sludge concentration factor</term>
<term>Sludge process</term>
<term>Sludge ratio</term>
<term>Sludge system</term>
<term>Sludge waste ratio</term>
<term>Solid concentration</term>
<term>Solid concentration factor</term>
<term>Solid entrainment</term>
<term>Solid flux</term>
<term>Solid retention time</term>
<term>Steady state</term>
<term>Steady state analysis</term>
<term>Steady state responses</term>
<term>Substrate concentration</term>
<term>Substrate consumption rate</term>
<term>Supernatant</term>
<term>Surface area</term>
<term>Tank reactor</term>
<term>Unified basis</term>
<term>Waste sludge ratio</term>
<term>Wastewater</term>
<term>Wastewater treatment</term>
<term>Wastewater treatment plant</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr"><term>Biomasse</term>
<term>Polluant</term>
<term>Eau usée</term>
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<front><div type="abstract" xml:lang="en">Abstract: The steady state analysis of coupling the function of aerator and secondary settling tank in activated sludge process for wastewater treatment is carried out to obtain appropriate responses of output variables and to decide optimum operating parameters. To consider the effect of the secondary settling tank, limit flux theory is applied and the aerator is assumed to be a continuous flow stirred tank reactor. By using sludge recycle ratio and sludge waste ratio as the operating parameters, the responses of the output variables—biomass concentration in aerator, dissolved pollutant and solid concentration in effluent—are represented as response surfaces and isoresponse curves. Acceptable operating zone can be obtained from the curves and optimum parameters can be determined. Coupling the function of aerator and secondary settling tank is important to consider the appropriate control of an activated sludge process.</div>
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Steady state analysis of the coupling aerator and secondary settling tank in activated sludge process

Steady state analysis of the coupling aerator and secondary settling tank in activated sludge process

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

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