benchmarking of control strategies for wastewater treatment plants scientific and technical report

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Benchmarking Of Control Strategies For Wastewater Treatment Plants

Author : Krist V. Gernaey
ISBN : 9781843391463
Genre : Science
File Size : 56. 85 MB
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Wastewater treatment plants are large non-linear systems subject to large perturbations in wastewater flow rate, load and composition. Nevertheless these plants have to be operated continuously, meeting stricter and stricter regulations. Many control strategies have been proposed in the literature for improved and more efficient operation of wastewater treatment plants. Unfortunately, their evaluation and comparison – either practical or based on simulation – is difficult. This is partly due to the variability of the influent, to the complexity of the biological and biochemical phenomena and to the large range of time constants (from a few minutes to several days). The lack of standard evaluation criteria is also a tremendous disadvantage. To really enhance the acceptance of innovative control strategies, such an evaluation needs to be based on a rigorous methodology including a simulation model, plant layout, controllers, sensors, performance criteria and test procedures, i.e. a complete benchmarking protocol. This book is a Scientific and Technical Report produced by the IWA Task Group on Benchmarking of Control Strategies for Wastewater Treatment Plants. The goal of the Task Group includes developing models and simulation tools that encompass the most typical unit processes within a wastewater treatment system (primary treatment, activated sludge, sludge treatment, etc.), as well as tools that will enable the evaluation of long-term control strategies and monitoring tasks (i.e. automatic detection of sensor and process faults). Work on these extensions has been carried out by the Task Group during the past five years, and the main results are summarized in Benchmarking of Control Strategies for Wastewater Treatment Plants. Besides a description of the final version of the already well-known Benchmark Simulation Model no. 1 (BSM1), the book includes the Benchmark Simulation Model no. 1 Long-Term (BSM1_LT) – with focus on benchmarking of process monitoring tasks – and the plant-wide Benchmark Simulation Model no. 2 (BSM2). Authors: Krist V. Gernaey, Technical University of Denmark, Lyngby, Denmark, Ulf Jeppsson, Lund University, Sweden, Peter A. Vanrolleghem, Université Laval, Quebec, Canada and John B. Copp, Primodal Inc., Hamilton, Ontario, Canada

Control And Decision Strategies In Wastewater Treatment Plants For Operation Improvement

Author : Ignacio Santín
ISBN : 9783319463674
Genre : Technology & Engineering
File Size : 71. 97 MB
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This book examines the operation of biological wastewater treatment plants (WWTPs), with a focus on maintaining effluent water quality while keeping operational costs within constrained limits. It includes control operation and decision schemes and is based on the use of benchmarking scenarios that yield easily reproducible results that readers can implement for their own solutions. The final criterion is the effect of the applied control strategy on plant performance – specifically, improving effluent quality, reducing costs and avoiding violations of established effluent limits. The evaluation of the different control strategies is achieved with the help of two Benchmark Simulation Models (BSM1, BSM2). Given the complexity of the biological and biochemical processes involved and the major fluctuations in the influent flow rate, controlling WWTPs poses a serious challenge. Further, the importance of control goal formulation and control structure design in relation to WWTP process control is widely recognized. Of particular interest are the regulations governing the compliance with effluent criteria. Authorities measure compliance with these criteria on the basis of long or short timeframes, and the legal constraints imposed on effluent pollutant concentrations are among the most essential aspects of control structures for WWTPs. This book explores all these facets in detail.

Frontiers In Wastewater Treatment And Modelling

Author : Giorgio Mannina
ISBN : 9783319584218
Genre : Technology & Engineering
File Size : 47. 76 MB
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This book describes the latest research advances, innovations, and applications in the field of water management and environmental engineering as presented by leading researchers, engineers, life scientists and practitioners from around the world at the Frontiers International Conference on Wastewater Treatment (FICWTM), held in Palermo, Italy in May 2017. The topics covered are highly diverse and include the physical processes of mixing and dispersion, biological developments and mathematical modeling, such as computational fluid dynamics in wastewater, MBBR and hybrid systems, membrane bioreactors, anaerobic digestion, reduction of greenhouse gases from wastewater treatment plants, and energy optimization. The contributions amply demonstrate that the application of cost-effective technologies for waste treatment and control is urgently needed so as to implement appropriate regulatory measures that ensure pollution prevention and remediation, safeguard public health, and preserve the environment. The contributions were selected by means of a rigorous peer-review process and highlight many exciting ideas that will spur novel research directions and foster multidisciplinary collaboration among different water specialists.

Biotechnology For The Environment Wastewater Treatment And Modeling Waste Gas Handling

Author : Spiros Agathos
ISBN : 9789401709323
Genre : Science
File Size : 29. 6 MB
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At the dawn of the 21st century, biotechnology is emerging as a key enabling technology for sustainable environmental protection and stewardship. Biotechnology for the Environment: Wastewater Treatment and Modeling, Waste Gas Handling illustrates the current technological applications of microorganisms in wastewater treatment and in the control of waste gas emissions. In the first section of the book special emphasis is placed on the use of rigorous mathematical and conceptual models for an in-depth understanding of the complex biology and engineering aspects underlying the operation of modern wastewater treatment installations. The second part addresses waste gas biofiltration, an expanding biotechnological application of microbial metabolism for air quality assurance through processes ranging from the abatement of hazardous volatile pollutants to the elimination of nuisance odors. It will be a valuable reference source for environmental scientists, engineers and decision makers involved in the development, evaluation or implementation of biological treatment systems. For more information on Strategy and Fundamentals, see Focus on Biotechnology, Volume 3A, and for more information on Soil Remediation, see Focus on Biotechnology, Volume 3B.

Automation In Water Quality Monitoring

Author : Nikolaus Fleischmann
ISBN : UVA:X004692408
Genre : Technology & Engineering
File Size : 72. 28 MB
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Author :
ISBN : CORNELL:31924087282491
Genre : Agriculture
File Size : 72. 3 MB
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Respirometry In Control Of The Activated Sludge Process Benchmarking Control Strategies

Author : John B. Copp
ISBN : 1900222515
Genre : Science
File Size : 33. 41 MB
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The respiration rate of activated sludge has generated much interest, because it is an essential variable in the activated sludge process and provides information on biomass activity and concentration of waste components. Recognising the need for an extensive evaluation of respirometry in control of the activated sludge process, IWA published Scientific and Technical Report (STR7): Respirometry in Control of the Activated Sludge Process: Principles, which included the biological background, measuring principles, measured and deduced variables, an introduction to control system principles and an overview of proposed and applied control strategies. To complete the work, a second STR: Respirometry in Control of the Activated Sludge Process: Benchmarking Control Strategies was commissioned and, through the generous support of 14 corporate sponsors, a well-defined project was set up with the aim to accomplish an ambitious mission: the development of a simulation protocol (known as the "IWA Simulation Benchmark") and the unbiased evaluation of many respirometry-based control strategies. This Report includes a complete description of the simulation protocol including model plants, simulation procedures and evaluation criteria. Also included in this STR is an overview of the strategy evaluations and a look into the future of respirometry as the basis for control. Finally, to ease the transition from paper to computer, and increase the application of the IWA Simulation Benchmark, a CD is included with many benchmark files and control strategy layouts generated using a variety of simulation platforms including GPS-XTM, STOATTM and WESTTM. This Report will be an invaluable source of information for practitioners and consultants dealing with the operation and control of activated sludge processes, developers of control systems, control software and simulation software, and manufacturers of respirometers and other environmental instruments in all industries dealing with toxic wastes. Scientific and Technical Report No. 11 Also available: Respiromentry in Control of the Activated Sludge Process: Principles

Wastewater Treatment Process Modeling Second Edition Mop31

Author : Water Environment Federation
ISBN : 9780071798426
Genre : Technology & Engineering
File Size : 86. 25 MB
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Revised edition of: An Introduction to process modeling for designers / prepared by the Design of Municipal Wastewater Treatment Plants (MOP 8) Task Force of the Water Environment Federation. 2009.

Water 21

Author :
ISBN : UVA:X006183437
Genre : Water quality management
File Size : 37. 91 MB
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Practical Implementation Of Nutrient Guidelines

Author : M. Van Loosdrecht
ISBN : 1900222973
Genre : Science
File Size : 40. 44 MB
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