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Conveyance of residuals from water and wastewater treatment /
Annotation
| Clasificación: | Libro Electrónico |
|---|---|
| Autor Corporativo: | |
| Formato: | Electrónico eBook |
| Idioma: | Inglés |
| Publicado: |
Reston, Va. :
American Society of Civil Engineers,
©2000.
|
| Colección: | ASCE manuals and reports on engineering practice ;
no. 98. |
| Temas: | |
| Acceso en línea: | Texto completo |
Tabla de Contenidos:
- Contents
- Foreword
- Acknowledgments
- 1 INTRODUCTION
- Purpose
- Scope
- Contents of the Manual
- Description of the Classified Residuals
- Equipment Used in Processing Residuals
- Evaluation of Alternative Conveyance Methods
- References
- 2 RHEOLOGY AND THE DISTRIBUTION OF WATER IN SLUDGE
- Introduction
- Distribution of Water
- Bound Water in Sludge
- Sludge Rheology
- Newtonian Fluids
- Non-Newtonian Fluids
- Identification of Rheological Behavior of Wastewater Sludges
- Theoretical Approach To Define Suspension Viscosity, and Its Applicability to Water and Wastewater SludgesConclusion
- References
- 3 SLUDGE SOURCES, COMPOSITION, AND CHARACTERISTICS
- Introduction
- Wastewater Sludge: Source, Composition, and Quantity
- Primary Sludge
- Secondary Sludge
- Wastewater Sludge Characteristics
- Physical Properties
- Primary Sludge
- Secondary Sludge
- Mixed Sludges
- Effects of Chemical Precipitation
- Primary Sludge
- Secondary Sludge
- Effects of Chemical Conditioning
- Primary Sludge
- Secondary SludgeMixed Sludge
- Effects of Anaerobic and Aerobic Digestion
- Anaerobic Digestion
- Aerobic Digestion
- Effect of Thermal Conditioning
- Water Treatment Plant Residuals
- Sources and Quantities
- Characteristics
- Effect of Various Processes
- References
- 4 OVERVIEW OF RESIDUALS CONVEYANCE DEVICES
- Introduction
- Centrifugal Pumps
- Non-Clog Pumps
- Recessed Impeller Pumps
- Combination Screw/Centrifugal Pumps
- Disc Pumps
- Positive Displacement Pumps
- Progressing Cavity Pumps
- Plunger Pumps
- Hydraulically Driven Piston (Ram) PumpsRotary Pumps
- Peristaltic Pumps
- Diaphragm Pumps
- Conveyor Systems
- Belt Conveyor
- Chain Conveyor
- Bucket Elevators
- Screw Conveyor
- Shaftless/Ribbon
- Pneumatic
- References
- 5 PUMPING OF NON-NEWTONIAN SLUDGES AND SLURRIES
- Introduction
- Head Losses in Pumped Systems: 3-12% TS
- Head Losses in Pumped Systems: 20-30% TS
- Field Pumping Studies
- References
- 6 TRANSPORT OF THICKENED RESIDUALS
- Introduction
- Applicability
- Definition and Sources of Thickened Residuals
- Cross-Reference ChartPumping Equipment
- Pumping Considerations
- Centrifugal Pumps
- Positive Displacement Pumps
- Other Kinds of Pumps
- Transport Equipment
- Belt Conveyors
- Screw Conveyors
- Bulk Transport Equipment
- Truck
- Train
- Ship
- Equipment Selection
- Preferred Equipment
- Design Concerns
- References
- 7 CONVEYANCE OF DEWATERED RESIDUALS
- Introduction and Scope
- Rationale for Classification of Dewatered Residuals
- Low to Medium Viscosity
- Medium to High Viscosity
- Ranking the Conveyance Alternatives