Hydrodynamic Modeling of a Surface Water Treatment Pilot Plant
Abstract:A mathematical model for the hydrodynamics of a
surface water treatment pilot plant was developed and validated by
the determination of the residence time distribution (RTD) for the
main equipments of the unit. The well known models of ideal/real
mixing, ideal displacement (plug flow) and (one-dimensional axial)
dispersion model were combined in order to identify the structure
that gives the best fitting of the experimental data for each equipment
of the pilot plant. RTD experimental results have shown that pilot
plant hydrodynamics can be quite well approximated by a
combination of simple mathematical models, structure which is
suitable for engineering applications. Validated hydrodynamic
models will be further used in the evaluation and selection of the
most suitable coagulation-flocculation reagents, optimum operating
conditions (injection point, reaction times, etc.), in order to improve
the quality of the drinking water.
 L. C. Rietveld, Improving operation of drinking water treatment
through modeling, Delft University of Technology, Dissertation, 2005.
 T. Pröll, T. Todinca, M. ┼×uta, A. Friedl, "Acid gas absorption in trickle
flow columns-Modeling of the residence time distribution of a pilot
plant--, Chem. Eng. and Prog., vol. 46, pp. 262-270, 2007.
 K. Bodor, Contributions to the improvement of drinking water quality
indicators by means of new reagents and new technologies, Timisoara,
Romania, PhD thesis (Romanian), 2005.
 E. B. Nauman, Chemical reactor design, optimization and scaleup,
New-York:McGRAW-HILL, 2002, pp.539-577.
 G. I. M. Worm, G. A. M. Mesman, K. M. van Schagen, K. J. Borger, L.
C. Rietveld, ÔÇÿ-Hydraulic modeling of drinking water treatment plant
operations--, Drink. Water Eng. Sci., vol. 2, pp.15-20, 2009.
 T. Todinca, M. Geantâ, Modeling and simulation of chemical processes.
Applications in MATLAB, Timi┼ƒoara: Politehnica House, 1999, ch. 2.
 P. R. Lopez, A. G. Lavin, M. M. Lopez, J. Bueno de las Heras, "Flow
models for rectangular sedimentation tanks", Chem. Eng. and Prog.,
vol. 47, pp. 1705-1716, 2008.