Prediction of the bulking phenomenon in wastewater treatment plants

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dc.contributor.author Belanche Muñoz, Lluis
dc.contributor.author Valdés, Julio J.
dc.contributor.author Comas Matas, Joaquim
dc.contributor.author Rodríguez-Roda Layret, Ignasi
dc.contributor.author Poch, Manuel
dc.date.issued 2000
dc.identifier.issn 0954-1810
dc.identifier.uri http://hdl.handle.net/10256/2879
dc.description.abstract The control and prediction of wastewater treatment plants poses an important goal: to avoid breaking the environmental balance by always keeping the system in stable operating conditions. It is known that qualitative information — coming from microscopic examinations and subjective remarks — has a deep influence on the activated sludge process. In particular, on the total amount of effluent suspended solids, one of the measures of overall plant performance. The search for an input–output model of this variable and the prediction of sudden increases (bulking episodes) is thus a central concern to ensure the fulfillment of current discharge limitations. Unfortunately, the strong interrelation between variables, their heterogeneity and the very high amount of missing information makes the use of traditional techniques difficult, or even impossible. Through the combined use of several methods — rough set theory and artificial neural networks, mainly — reasonable prediction models are found, which also serve to show the different importance of variables and provide insight into the process dynamics
dc.format.mimetype application/pdf
dc.language.iso eng
dc.publisher Elsevier
dc.relation.isformatof Reproducció digital del document publicat a: http://dx.doi.org/10.1016/S0954-1810(00)00012-1
dc.relation.ispartof © Artificial Intelligence in Engineering, 2000, vol. 14, núm. 4, p. 307-317
dc.relation.ispartofseries Articles publicats (D-EQATA)
dc.rights Tots els drets reservats
dc.subject Aigües residuals -- Depuració
dc.subject Aigües residuals -- Plantes de tractament
dc.subject Sewage disposal plants
dc.subject Sewage -- Purification
dc.title Prediction of the bulking phenomenon in wastewater treatment plants
dc.type info:eu-repo/semantics/article
dc.identifier.doi http://dx.doi.org/10.1016/S0954-1810(00)00012-1


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