Dynamic Modeling of an Activated Sludge Process: Case Study on Paper Mill Effluents
Publication: Journal of Environmental Engineering
Volume 142, Issue 8
Abstract
The aim of this paper is to propose a step by step method to establish and validate a relevant, dynamical model of the activated sludge process for the paper mill industry. The model is established by considering the specificities of the effluent to be treated. It uses the biochemical oxygen demand (BOD) measurement, which allows a direct correlation between the state variables of the model and the measurements. This model is validated on a pilot plant of semi-industrial size fed with industrial paper mill effluents. The parameter estimation is based on an analysis of the sensitivities. The results are compared with a model based on chemical oxygen demand (COD) partitioning which is issued from the simplification of the activated sludge model number 1 (ASM1) model. Finally, the model dealing with BOD measurements not only shows the best performances, but is also the easiest to implement, overcoming one main obstacle to efficient monitoring and control in paper mill wastewater treatment plants.
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Published In
Journal of Environmental Engineering
Volume 142 • Issue 8 • August 2016
Copyright
© 2016 American Society of Civil Engineers.
History
Received: Mar 25, 2015
Accepted: Dec 1, 2015
Published online: Mar 10, 2016
Published in print: Aug 1, 2016
Discussion open until: Aug 10, 2016
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