Aeration control system design a practical guide to energy and process optimization
"Proper engineering and execution of aeration control systems is of prime importance to treatment plants, representing a significant savings in labor and energy costs. Taking an integrated, cross-disciplinary approach to this critical process, Aeration Control System Design comprehensively addr...
| Autor principal: | |
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| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
Hoboken, New Jersey :
John Wiley and Sons, Inc
2013.
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| Edición: | First edition |
| Colección: | Wiley ebooks.
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| Acceso en línea: | Conectar con la versión electrónica |
| Ver en Universidad de Navarra: | https://innopac.unav.es/record=b46156288*spi |
Tabla de Contenidos:
- Aeration Control System Design: A Practical Guide to Energy and Process Optimization; Contents; Preface; Acknowledgments; List of Figures; List of Tables; 1 Introduction; 1.1 Basic Concepts and Objectives; 1.2 Safety; 1.3 The Importance of an Integrated Approach; 1.4 Importance of Operator Involvement; 1.5 The Benefits of Successful Aeration Process Automation; 1.5.1 Energy Cost Reduction; 1.5.2 Treatment Performance; 1.5.3 Improved Equipment Life; Example Problems; 2 Initial System Assessment; 2.1 Define Current Operations; 2.1.1 Energy Cost; 2.1.2 Energy Consumption Patterns.
- 2.1.3 Influent and Effluent Process Parameters2.1.4 Treatment Performance; 2.2 Evaluate Process and Equipment; 2.3 Benchmark Performance; 2.4 Estimate Potential Energy Savings and Performance Improvement; 2.5 Prepare Report; Example Problems; 3 Aeration Processes; 3.1 Process Fundamentals; 3.1.1 Peripheral Equipment and Processes; 3.1.2 BOD Removal; 3.1.3 Nitrification; 3.1.4 Denitrification; 3.2 Loading Variations and Their Implications; 3.3 Process Limitations and Their Impact on Control Systems; Example Problems; 4 Mechanical and Diffused Aeration Systems; 4.1 Oxygen Transfer Basics.
- 4.2 Types of Aerators4.2.1 Mechanical Aerators; 4.2.2 Mechanical Aeration Control Techniques; 4.2.3 Diffused Aeration; 4.2.4 Diffused Aeration Control Techniques; 4.3 Savings Determinations; Example Problems; 5 Blowers and Blower Control; 5.1 Common Application and Selection Concerns; 5.1.1 Properties of Air; 5.1.2 Effect of Humidity; 5.1.3 Pressure Effects; 5.1.4 Common Performance Characteristics; 5.2 Positive Displacement Blowers and Control Characteristics; 5.2.1 Types and Characteristics; 5.2.2 Lobe Type PD Blowers; 5.2.3 Screw Blowers.
- 5.2.4 Control and Equipment Protection Considerations5.3 Dynamic Blowers; 5.3.1 Types and Characteristics; 5.3.2 Multistage Centrifugal Blowers; 5.3.3 Geared Single Stage Centrifugal Blowers; 5.3.4 Turbo Blowers; 5.3.5 Control and Protection Considerations; Example Problems; 6 Piping Systems; 6.1 Design Considerations; 6.1.1 Layout; 6.1.2 Pipe Size; 6.1.3 Pipe Material; 6.2 Pressure Drop; 6.3 Control Valve Selection; Example Problems; 7 Instrumentation; 7.1 Common Characteristics and Electrical Design Considerations; 7.2 Pressure; 7.3 Temperature; 7.4 Flow; 7.5 Analytic Instruments.
- 7.5.1 Dissolved Oxygen7.5.2 Offgas Analysis; 7.5.3 pH and ORP; 7.6 Motor Monitoring and Electrical Measurements; 7.7 Miscellaneous; Example Problems; 8 Final Control Elements; 8.1 Valve Operators; 8.2 Guide Vanes; 8.3 Motor Basics; 8.4 Motor Control; 8.5 Variable Frequency Drives; Example Problems; 9 Control Loops and Algorithms; 9.1 Control Fundamentals; 9.1.1 Discrete Controls; 9.1.2 Analog Control; 9.1.3 Proportional-Integral-Derivative; 9.1.4 Deadband Controllers; 9.1.5 Floating Control; 9.2 Dissolved Oxygen Control; 9.3 Aeration Basin Air Flow Control; 9.4 Pressure Control.
