Water Science & Technology

Volume 28 Number 11-12

Contents

Preface

..........ix

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Advancing ICA Technology by Eliminating the Constraints

Gustaf Olsson ..........1–7

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Future Directions in Instrumentation, Control and Automation in the Water and Wastewater Industry

Troy D. Vassos ..........9–14

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Critical Variables in System Success: Top Managements’ Commitment is Key

Mary H. Winter and Alan W. Manning ..........15–19

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Realizing the Benefits of Enterprise-Wide Computing

Michael Sweeney and Alan Manning ..........21–27

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Use of Part-Time Unmanned Operation at a Large Wastewater Treatment Plant

Doug J. Lumley, Kent-Åke Sahlberg and Jan Haraldsson ..........29–36

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Functional Approach Leads to Successful ICA across 124 Water and 389 Wastewater Treatment Works

M. J. Parker, R. J. Casey, L. K. Reynolds, R. R. de Vries, T. M. Brueck and C. N. Williams ..........37–43

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Integrating a Catchment Simulator into Wastewater Treatment Plant Operation

Lars-Göran Gustafsson, Doug J. Lumley, Claes Lindeborg and Jan Haraldsson ..........45–54

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Flow and Sediment Movement Monitoring in Large Sewers

R. M. Ashley, I. M. Longair, D. J. J. Wotherspoon and K. Kirby ..........55–65

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Pollution Measurement Accuracy Using Real Time Sensors and Wastewater Samples Analysis

G. Ruban, P. Marchandise and O. Scrivener ..........67–78

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The Prediction of Rainfall and the Direction of Rainfall by a Narrow Area Radar Rain Gauge

Shinichi Kondo ..........79–85

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Model Based On-Line Control of Sewer Systems

Jörgen Bo Nielsen, Sten Lindberg and Poul Harremöes ..........87–98

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An Overview of the Trunk Scheduling System for the London Ring Main

David Burnell, Julia Race and Phil Evans ..........99–109

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An Operational Information Database Based on the Automated Processing of Time Series Data Available from Telemetry Control Systems

R. J. Casey and S. A. Grinney ..........111–121

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Uprating and Development of a Regional Telemetry Scheme

R. Huntington ..........123–131

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Water Demand Forecasting by Memory Based Learning

Takashi Tamada, Minoru Maruyama, Yasuaki Nakamura, Shigeru Abe and Kazuo Maeda ..........133–140

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Modeling and Simulation of Wastewater Treatment Processes

John F. Andrews ..........141–150

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Dynamic Modelling of an ASP Sewage Works – A Case Study

L. Stokes, I. Takács, B. Watson and J. B. Watts ..........151–161

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Model Calibration for the High-Purity Oxygen Activated Sludge Process – Algorithm Development and Evaluation

Weibo (Weber) Yuan, David Okrent and Michael K. Stenstrom ..........163–171

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Reduced Order Models for On-Line Parameter Identification of the Activated Sludge Process

U. Jeppsson and G. Olsson ..........173–183

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Simulation of a Strategy to Start up Nitrification at Bromma Sewage Plant Using a Model Based on the IAWPRC Model No. 1

Anders Finnson ..........185–195

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Dynamic Model Simulation and Verification of a Two-Stage High-Rate Anaerobic Treatment Process with Recycle

J. Keller, M. Romli, P. L. Lee and P. F. Greenfield ..........197–207

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Evaluation of Sensitivity and Observability of the State Vector for System Identification and Experimental Design

E. Ayesa, J. Flórez, L. Larrea and J. L. García-Heras ..........209–218

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Parameter Estimation and Sensitivity Analysis of an Activated Sludge Model Using Monte Carlo Simulation and the Analyst’s Involvement

Marcos von Sperling ..........219–229

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Diagnosis Expert System for the Activated Sludge Process Using Biota Observed by Microscopic Examination

M. Ichikawa, K. Simizu and K. Iwahori ..........231–237

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Potential Use of Step Feed Control Using the Biomass in the Settler

M. T. Sorour, G Olsson and L. Somlyody ..........239–248

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Modelling, Control and On-Line Estimation of Activated Sludge Bulking

J. Chen and M. B. Beck ..........249–256

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Experience with the Relay Procedure for Tuning Controllers in Automatic Control of Chlorination

M. Truett Garrett, Jr., Zaki Ahmad and Shelly Young ..........257–261

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Development of New Polymer Dosage Control Method for Sludge Dewatering Process

Chiaki Igarashi, Kazunari Tanaka, Teruaki Kitamura, Kazuo Fujita, Kazuaki Arai and Kenichi Kameyama ..........263–272

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Real-Time Control of Wastewater Treatment Systems Using ORP

David G. Wareham, Kenneth J. Hall and Donald S. Mavinic ..........273–282

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Control Design for Nonlinear Wastewater Treatment Processes

D. Dochain and M. Perrier ..........283–293

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Activated Sludge Control Adviser

K. R. Stimson ..........295–302

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Control of BNR Processes by Regulation of the VFA/M Ratio

William B. Armiger, George J. Lee, Benedict R. Schwegler, Jr. and Terry J. Mah ..........303–314

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On-Line and Off-Line Expert Systems for the Operation of Wastewater Treatment Plants

Gösta Ladiges and Rolf Kayser ..........315–323

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Intelligent Operation Support System for Activated Sludge Process

Shoji Watanabe, Kenji Baba, Mikio Yoda, Wen-Chih Wu, Ichiro Enbutsu, Masakatu Hiraoka and Kazushi Tsumura ..........325–332

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Integration of Multi AI Paradigms for Intelligent Operation Support Systems – Fuzzy Rule Extraction from a Neural Network

I. Enbutsu, K. Baba, N. Hara, K. Waseda and S. Nogita ..........333–340

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Statistical Analysis of Operation Data and Automatic Control on Fluidized Bed Incineration Plant with Dryer

Shigeki Minami, Hidekazu Nagasawa, Yoshinori Saito, Motoharu Yamagishi, Masakatsu Hiraoka, Nobuo Takeda and Shigenobu Okajima ..........341–345

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Stable Combustion in Sludge Melting Furnace by Fuzzy Logic Control

Shunichi Shiono, Takashi Usui, Morio Iriyama, Kazuyuki Suzuki and Yohta Naka ..........347–354

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Fuzzy Control of a Dynamic Activated Sludge Process for the Forecast and Control of Effluent Suspended Solid Concentration

Y. P. Tsai, C. F. Ouyang, M. Y. Wu and W. L. Chiang ..........355–367

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Control of Activated Sludge Plants Based on Measurement of Respiration Rates

Abraham Klapwijk, Henri Spanjers and Hardy Temmink ..........369–376

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Simultaneous Biokinetic Characterization of Heterotrophic and Nitrifying Populations of Activated Sludge with an On-Line Respirographic Biosensor

P. A. Vanrolleghem and W. Verstraete ..........377–387

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On Line Respirometry: A Powerful Tool for Activated Sludge Plant Operation and Design

J. B. Watts and W. F. Garber ..........389–399

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Determining Influent Short-Term Biochemical Oxygen Demand by Combined Respirometry and Estimation

Henri Spanjers, Gustaf Olsson and Abraham Klapwijk ..........401–414

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Biological Early Warning Systems for Toxicity Based on Activated Sludge Respirometry

H. Temmink, P. Vanrolleghem, A. Klapwijk and W. Verstraete ..........415–425

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On-Line Estimation of the Respiration Rate in an Activated Sludge Process

Bengt Carlsson ..........427–434

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Development of the Ammonia Biosensor Monitoring System

H. Tanaka, E. Nakamura, H. Hoshikawa and Y. Tanaka ..........435–445

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Instrument and System Maintenance: A Design and Operational Necessity

J. B. Watts and W. F. Garber ..........447–456

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Cross Comparison of Techniques for the Monitoring of Total Organic Carbon (TOC) in Water Sources and Supplies

B. MacCraith, K. T. V. Grattan, D. Connolly, R. Briggs, W. J. O. Boyle and M. Avis ..........457–463

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Measurement of Trihalomethanes (THM) in Drinking Water with an Automatic THM Analyzer

K. Kawakami, Y. Tanaka, Y. Zaitsu and H. Hoshikawa ..........465–471

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Comparison of Gold and Platinum Electrode Responses in Activated Sludge

A. Heduit, B. Martin, I. Duchamp and D. R. Thevenot ..........473–480

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A New Sensing Technique for Optimum Sludge Conditioning for Waste Sludge Dewatering

Y. Yasukawa, T. Totoki and H. Shigemi ..........481–488

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Inventory and Assessment of Automatic Nitrate Analyzers for Urban Sewage Works

Hervé Wacheux, Sylvain Da Silva and Jacques Lesavre ..........489–498

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Effect of Supplemental Carbon Source on Phosphate Removal in an Alternating Activated Sludge Process

S. H. Isaacs, M. Henze, H. Søeberg and M. Kümmel ..........499–512

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Simultaneous Removal of Nitrogen and Phosphorus in Intermittently Aerated 2-Tank Activated Sludge Process Using DO and ORP-Bending-Point Control

Kousei Sasaki, Yasuji Yamamoto, Kazushi Tsumura, Shigeru Hatsumata and Masahiro Tatewaki ..........513–521

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Alternative Method for the Control of Balancing Tank at a Wastewater Treatment Plant

A. J. Mather and I. S. Shaw ..........523–530

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Control Strategies for a Highly Loaded Biological Ammonia Elimination Process

B. Teichgräber ..........531–538

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The Usefulness of On-Line Monitoring in Effecting Savings in Combined Biological and Chemical Removal of Phosphorus in Activated Sludge Plants

L. H. Lotter and A. R. Pitman ..........539–548

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Nutrient Removal: On-Line Measurements and Control Strategies

Dines E. Thornberg, Marinus K. Nielsen and Klaus L. Andersen ..........549–560

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Keyword Index ..........561–563

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