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Water Science and Technology

Volume 39 Number 4

Contents

1–11
Coping with ever larger problems, models, and data bases
M. B. Beck
13–20
Application of models in water management in the Netherlands: past, present and future
R. H. van Waveren
21–28
Modelling large urban drainage systems in real time
I. D. Cluckie, A. Lane and J. Yuan
29–36
Modeling activated sludge mass transfer in a treatment plant
C. Joannis, M. Aumond, S. Dauphin, G. Ruban, A. Deguin and G. Bridoux
37–44
Optimisation of the Hamburg wastewater treatment plants by dynamic simulation
Gösta Ladiges, Christian Günner and Ralf Otterpohl
45–53
Model based evaluation of plant improvement strategies for biological nutrient removal
H. M. van Veldhuizen, M. C. M. van Loosdrecht and F. A. Brandse
55–60
Analysis and design of suitable model structures for activated sludge tanks with circulating flow
J. Alex, R. Tschepetzki, U. Jumar, F. Obenaus and K.-H. Rosenwinkel
61–69
Calibrating simple models for mixing and flow propagation in waste water treatment plants
Bob De Clercq, Filip Coen, Bart Vanderhaegen and Peter A. Vanrolleghem
71–78
Fuzzy control of aeration in an activated sludge wastewater treatment plant: design, simulation and evaluation
T. J. J. Kalker, C. P. van Goor, P. J. Roeleveld, M. F. Ruland and R. Babuka
79–84
Upflow biological filter: modeling and simulation of filtration
X. Le Tallec, A. Vidal and D. Thornberg
85–92
Modeling of aerated upflow fixed bed reactors for nitrification
J. Behrendt
93–102
A comparison of NH4/NO3 control strategies for alternating activated sludge processes
L. J. S. Lukasse, K. J. Keesman, A. Klapwijk and G. van Straten
103–111
Components of a model-based operation system for wastewater treatment plants
Frank Obenaus, Karl-Heinz Rosenwinkel, Jens Alex, Ralf Tschepetzki and Ulrich Jumar
113–120
Parameter estimation for activated sludge models with the help of mass balances
O. Nowak, A. Franz, K. Svardal, V. Müller and V. Kühn
121–128
Rational transfer function models for nitrifying trickling filters
T. Wik
129–136
Management optimisation of a large wastewater treatment plant
A. Carucci, E. Rolle and P. Smurra
137–145
Direct parameter extraction from respirograms for wastewater and biomass characterization
Henri Spanjers, Imre Takács and Harry Brouwer
147–153
Support of sewage processing by an online simulation
G. Kolisch, J. Londong, M. Haupt and C. Hulsch
155–162
Operating diagnostics on a flocculator-settling tank using fluent CFD software
S. Lainé, L. Phan, P. Pellarin and P. Robert
163–168
Dynamic simulation of a low loaded trickling filter for nitrification
K. Seggelke, F. Obenaus and K.-H. Rosenwinkel
169–176
Modelling of an alternating oxidation ditch system
A. Stamou, A. Katsiri, I. Mantziaras, K. Boshnakov, B. Koumanova and S. Stoyanov
177–184
On BOD tests for the determination of biodegradable COD for Calibrating Activated Sludge Model No. 1
Stefan R. Weijers
185–192
Modelling of water quality-based emission limits for industrial discharges in rivers
A. M. J. Ragas and R. S. E. W. Leuven
193–201
DELFTMDD: A tool for integration of independent models in a decision support system
P. J. A. Gijsbers
203–211
Modeling the actors in water supply systems
D. Tillman, T. A. Larsen, C. Pahl-Wostl and W. Gujer
213–220
Integrated water quality and environmental cost-benefit modelling for the management of the River Tame
Bob Crabtree, Matt Hickman and Dave Martin
221–231
Design of rural water systems using dynamic models
A. H. Lobbrecht
233–240
Uncertainty in return period analysis of combined sewer overflow effects using embedded Monte Carlo simulations
Morten Grum and R. Hans Aalderink
241–248
Selection aid of alternative techniques in urban storm drainage - proposition of an expert system
S. Barraud, Y. Azzout, F. N. Cres and B. Chocat
249–255
Modelling and reliability analysis of water distribution systems
T. T. Tanyimboh, R. Burd, R. Burrows and M. Tabesh
257–268
Setting up measuring campaigns for integrated wastewater modelling
Peter A. Vanrolleghem, Wolfgang Schilling, Wolfgang Rauch, Peter Krebs and Hans Aalderink
269–279
Dynamic control of the Delfland polders and storage basin, The Netherlands
A. H. Lobbrecht, M. D. Sinke and S. B. Bouma