Online identification of activated sludge settling properties

Activated sludge settling properties can be characterised with two time-varying parameters. A simple method is presented for online identification of these parameters. The method is obtained as an exact solution of the filtration problem; it is obtained on the basis of the settling process descripti...

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Bibliographic Details
Published inWater research (Oxford) Vol. 29; no. 11; pp. 2587 - 2590
Main Authors Tenno, R., Renko, E.K., Pelkonen, M.
Format Journal Article
LanguageEnglish
Published Oxford Elsevier Ltd 1995
Elsevier Science
Subjects
activated sludge
Applied sciences
Avfallsteknik
Exact sciences and technology
identification
Pollution
settling
Waste Science and Technology
Wastewaters reuse. Miscellaneous
Water treatment and pollution
settling
activated sludge
identification
Characterization
Activated sludge
Waste water purification
Sedimentation
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Summary:Activated sludge settling properties can be characterised with two time-varying parameters. A simple method is presented for online identification of these parameters. The method is obtained as an exact solution of the filtration problem; it is obtained on the basis of the settling process description and the parameters variation process description. The method is suitable for practical application. It is a more exact solution of the identification problem than the alternative regression analysis method. An easily implementable system is proposed for automatic characterisation of the sludge settling properties.
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ISSN:0043-1354
1879-2448
1879-2448
DOI:10.1016/0043-1354(95)00109-X