ISSN print edition: 0366-6352
ISSN electronic edition: 1336-9075
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Dynamic modeling of activated sludge process. 4. Multivariable statistical model

J. Farkaš, M. Králik, J. Derco, and P. Farkašová

Department of Environmental Chemistry and Technology, Faculty of Chemical Technology, Slovak Technical University, CS-81237 Bratislava

 

Abstract: Industrial wastewater treatment process was described using the statistical multi-input, multi-output, and multi-internal variable model. Dynamics of the process was described in a discrete form. Confidence of parameters was evaluated using the Student's criterion. The adequacy of the model was determined according to the Fisher's criterion.Results of the identification of a real plant for the Carrousel activated sludge process are shown in this paper. It was found that the model coefficients have some physical meaning (flow type corresponds to the ideal mixing, hydraulic retention time).The results show that the statistical modelling of dynamic changes in activated sludge process can be used for the process control when, for different reasons, another type of model, i.e. the structural one, cannot be used.

Full paper in Portable Document Format: 456a757.pdf

 

Chemical Papers 45 (6) 757–768 (1991)

Wednesday, August 05, 2020

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