Publication:

Optimal aeration control of industrial alternating activated sludge plants

cris.lastimport.scopus

2024-08-08T07:48:53Z

cris.lastimport.wos

2024-08-05T03:01:42Z

cris.legacyId

111928

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170203

cris.virtual.unitId

10365|10366|10364|13313|12397

cris.virtual.unitManager

Longchamp, Roland

cris.virtualsource.author-scopus

94120f54-44c1-4130-92e2-544c7058a3f3

cris.virtualsource.department

94120f54-44c1-4130-92e2-544c7058a3f3

cris.virtualsource.orcid

94120f54-44c1-4130-92e2-544c7058a3f3

cris.virtualsource.parent-organization

01df1dd4-7370-48b4-b0db-3b02db1cd735

cris.virtualsource.rid

94120f54-44c1-4130-92e2-544c7058a3f3

cris.virtualsource.sciperId

94120f54-44c1-4130-92e2-544c7058a3f3

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01df1dd4-7370-48b4-b0db-3b02db1cd735

cris.virtualsource.unitManager

01df1dd4-7370-48b4-b0db-3b02db1cd735

datacite.rights

restricted

dc.contributor.author

Chachuat, Benoit

dc.contributor.author

Roche, Nicolas

dc.contributor.author

Latifi, Razak

dc.date.accessioned

2007-09-21T13:34:35

dc.date.created

2007-09-21

dc.date.issued

2005

dc.date.modified

2024-10-17T18:32:04.635725Z

dc.description.abstract

The operation of wastewater treatment plants is challenging for many small communities for economical and technical reasons. In this work, optimal control of the aeration system is considered to improve the efficiency and reliability of the activated sludge process, with application to an industrial alternating activated sludge (AAS) treatment plant. Two problems are formulated: the first one deals with the minimization of nitrogen discharge and the second one addresses the minimization of the energy consumption. In either cases, special emphasis is placed on the long-term behavior of the treatment plant in order to ensure that the optimal aeration strategies are safe and durable from the process point of view. Their solutions show that significant improvements can be achieved with respect to the current aeration strategy, with reductions up to 37% for the first problem and around 27% for the second one. Large performance improvements are also obtained when comparing the optimal aeration strategies to a conventional oxygen-based controller.

dc.description.sponsorship

LA

dc.identifier.doi

10.1016/j.bej.2005.01.012

dc.identifier.uri

https://infoscience.epfl.ch/handle/20.500.14299/12310

dc.relation

https://infoscience.epfl.ch/record/111928/files/Chachuat_Roche_Latifi_05(Biochem_Eng_J).pdf

dc.relation.journal

Biochemical Engineering Journal

dc.subject

Wastewater treatment

dc.subject

Alternating activated sludge process

dc.subject

Dynamic modeling

dc.subject

Aeration control

dc.subject

Optimization

dc.title

Optimal aeration control of industrial alternating activated sludge plants

dc.type

text::journal::journal article::research article

dspace.entity.type

Publication

dspace.legacy.oai-identifier

oai:infoscience.tind.io:111928

epfl.legacy.fileversion

n/a

epfl.legacy.itemtype

Journal Articles

epfl.legacy.submissionform

ARTICLE

epfl.oai.currentset

OpenAIREv4

epfl.oai.currentset

STI

epfl.oai.currentset

article

epfl.peerreviewed

REVIEWED

epfl.publication.version

http://purl.org/coar/version/c_970fb48d4fbd8a85

epfl.writtenAt

EPFL

oaire.citation.endPage

289

oaire.citation.issue

3

oaire.citation.startPage

277

oaire.citation.volume

23

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