Water Science & Technology

Volume 25 Number 6

Contents

Preface

Mogens Henze ..........vii

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Characterization of Wastewater for Modelling of Activated Sludge Processes

Mogens Henze ..........1–15

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Transformation of Wastewater in Sewer Systems — A Review

Per Halkjaer Nielsen, Kamma Raunkjær, Niels Henrik Norsker, Niels Aagaard Jensen and Thorkild Hvitved-Jacobsen ..........17–31

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Temperature Effects on Wastewater Characterization and the Release of Soluble Inert Organic Material

U. Sollfrank, J. Kappeler and W. Gujer ..........33–41

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Characterization of Functional Microorganism Groups and Substrate in Activated Sludge and Wastewater by AUR, NUR and OUR

G. Holm Kristensen, P. Elberg Jørgensen and M. Henze ..........43–57

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Processes and Modelling of Nitrification Denitrification Biological Excess Phosphorus Removal Systems — A Review

M. C. Wentzel, G. A. Ekama and G. v. R. Marais ..........59–82

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Metabolism of Organic Substances in Anaerobic Phase of Biological Phosphate Uptake Process

Tomonori Matsuo, Takashi Mino and Hiroyasu Sato ..........83–92

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Modelling Population Dynamics in Activated Sludge Systems

W. Gujer and J. Kappeier ..........93–103

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Optimizing Nitrogen Removal Reactor Configurations by On-Site Calibration of the IAWPRC Activated Sludge Model

A. Lesouef, M. Payraudeau, F. Rogalla and B. Kleiber ..........105–123

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Estimation of Kinetic Parameters of Heterotrophic Biomass under Aerobic Conditions and Characterization of Wastewater for Activated Sludge Modelling

J. Kappeler and W. Gujer ..........125–139

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Calibration of an Activated Sludge Model Based on Human Expertise and on a Mathematical Optimization Technique — A Comparison

Oskar Wanner, Jürg Kappeier and Willi Gujer ..........141–148

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Designing Experiments to Determine the Coefficients of Activated Sludge Models by Identification Algorithms

L. Larrea, J. L. García-Heras, E. Ayesa and J. Florez ..........149–165

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Interpretation of Experimental Data with Regard to the Activated Sludge Model No.1 and Calibration of the Model for Municipal Wastewater Treatment Plants

H. Siegrist and M. Tschui ..........167–183

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Test of the Activated Sludge Models Capabilities as a Prognostic Tool on a Pilot Scale Wastewater Treatment Plant

Jan Pedersen and Ole Sinkjær ..........185–194

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Nitrification Kinetics in Single-Sludge Biological Nutrient Removal Activated Sludge Systems

C. W. Randall, V. M. Pattarkine and S. A. McClintock ..........195–214

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Towards a Comprehensive Model of Activated Sludge Bulking and Foaming

David Jenkins ..........215–230

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Evaluation of Control Strategies for Actinomycete Scum in Full-Scale Treatment Plants

Tadahiro Mori, Kiyomasa Itokazu, Yasuharu Ishikura, Fumio Mishina, Yoshio Sakai and Minako Koga ..........231–237

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Comparison of Biocenoses from Continuous and Sequencing Batch Reactors

J. Wanner ..........239–249

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Evaluation of Sludge Properties at an Activated Sludge Plant

Leif Eriksson, Inga Steen and Marta Tendaj ..........251–265

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A Dynamic Secondary Clarifier Model including Processes of Sludge Thickening

L. Härtel and H. J. Pöpel ..........267–284

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Modelling of the Secondary Clarifier Combined with the Activated Sludge Model No. 1

René Dupont and Mogens Henze ..........285–300

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Wastewater Treatment Process Theory and Practice: The Emerging Convergence

D. S. Parker, M. S. Merrill and M. J. Tetreault ..........301–315

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Corrigendum ..........317

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Keyword Index ..........319–320

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