Cover -- Foreword -- Message -- Preface -- Contents -- Chapter 1 Water and Wastewater -- 1.1 Hydrological Cycle -- 1.2 Wastewater -- 1.3 Physical Parameters -- 1.3.1 Suspended Solids -- 1.3.2 Turbidity -- 1.3.3 Colour -- 1.3.4 Taste and Odour -- 1.3.5 Temperature -- 1.4 Chemical Parameters -- 1.4.1 Total Dissolved Solids (TDS) -- 1.4.2 Alkalinity -- 1.4.3 Hardness -- 1.4.4 Fluoride -- 1.4.5 Inorganic Salts -- 1.4.6. pH -- 1.4.7. Acids and Alkalies -- 1.4.8. Chlorides -- 1.4.9. Metals -- 1.4.10. Heavy Metals -- 1.4.11. Nutrients -- 1.4.12. Nitrogen -- 1.4.13. Phosphorous -- 1.4.14. Organics -- 1.4.15. Proteins -- 1.4.16. Carbohydrates -- 1.4.17. Fats, Oil and Grease -- 1.4.18. Phenols -- 1.4.19.Pesticides and Agricultural Chemicals -- 1.4.20. Dissolved Oxygen -- 1.4.21. Biochemical Oxygen Demand (BOD) -- 1.4.22. Chemical Oxygen Demand (COD) -- 1.4.23 Biodegradable Organics -- 1.4.24. Mathematical Formulations of the BOD -- 1.5 Biological Characteristics -- 1.5.1. Bacteria -- 1.5.2. Viruses -- 1.5.3 Protozoa -- 1.6 Disposal of Wastewater -- 1.6.1 Disposal by Dilution -- 1.7 Self-Purification of Natural Streams -- 1.8 Oxygen Sag Analysis -- Chapter 2 Treatment of Wastewater -- 2.1 Water Pollution Control -- 2.1.1 Volume Reduction -- 2.1.2 Strength Reduction -- 2.2 Neutralization -- 2.3 Equalization -- 2.4 Proportioning -- 2.5 Wastewater Treatment -- 2.6 Screens -- 2.7 Grit Chamber -- 2.8 Primary Sedimentation -- Chapter 3 Wastewater Biology -- 3.1 Introduction -- 3.2 Prokaryotic and Eukaryotic Cells -- 3.3 Kinds of Microorganisms -- 3.4 Pathogenic Organisms -- 3.5 Indicator Organisms -- 3.6 Enumeration of Bacteria -- 3.7 Direct Cell Counts -- 3.8 Viable Counts -- 3.9 Membrane Filter -- 3.10 Most Probable Number (MPN) Method -- 3.11 Culture of Bacteria -- 3.12 Identification of Specific Organisms.

Chapter 4 Secondary Treatment (Biological Treatment) -- 4.1 Aerobic and Anaerobic Treatment -- 4.2 Trickling Filters (Aerobic Attached Growth Process) -- 4.3 Advantages and Disadvantages of Trickling Filter -- 4.4 Standard Rate Trickling Filter (Low-Rate Filter) -- 4.5 High-Rate Trickling Filter -- 4.6 Operation and Maintenance -- 4.7 Design of Trickling Filter -- 4.8 Activated Sludge Process (Aerobic Suspended Growth Process) -- 4.9 Biological Kinetics -- 4.10 Types of Processes and Modifications -- 4.11 Plug Flow (Conventional) Type -- 4.12 Step Aeration -- 4.13 Contact Stabilization -- 4.14 Continuous Flow Stirred Tank -- 4.15 Tapered Aeration -- 4.16 Pure Oxygen -- 4.17 Extended Aeration -- 4.18 Rotating Biological Contactor (RBC) -- 4.19 Stabilization Ponds -- Chapter 5 Anaerobic Treatment -- 5.1 Anaerobic Basics -- 5.2 Principle of Anaerobic Wastewater Treatment -- 5.3 COD Balance -- 5.4 Advantages of Anaerobic Treatment Process -- 5.5 Disadvantages of Anaerobic Treatment Processes -- 5.6 Applications of Anaerobic Treatment -- 5.7 Anaerobic Suspended Growth Process -- 5.8 Upward Flow Anaerobic Sludge Blanket Reactor -- 5.8.1 UASB Design Considerations -- 5.9 Septic Tank -- 5.10 Attached Growth Anaerobic Process -- Chapter 6 Effluent Disposal -- 6.1 Introduction -- 6.2 Methods of Disposal -- Chapter 7 Sludge Treatment -- 7.1 Introduction -- 7.2 Sludge Treatment -- 7.3 Biological Stabilization -- 7.4 Types of Digesters -- 7.5 Aerobic Sludge Digestion -- 7.6 Chemical Stabilization -- 7.7 Lime Stabilization -- 7.8 Physical Stabilization (Heat Treatment) -- 7.9 Sludge Conditioning -- 7.10 Vacuum Filtration -- 7.11 Incineration -- 7.12 Sludge Disposal -- 7.13 De-Watering -- 7.14 Filter Pressing -- 7.15 Centrifuging -- 7.16 Air Drying -- 7.17 Dumping Into Sea -- Chapter 8 Solid Waste Management -- 8.1 General.

8.2 Classification of Solid Wastes Based on their Sources of Origin -- 8.3 Properties of Solid Waste -- 8.4 Factors Influencing Solid Waste Management -- 8.5 Solid Waste Management -- 8.6 Engineered Systems For Solid Waste Management -- 8.7 Waste Collection Into Dust Bins -- 8.8 On-Site Handling, Storage and Processing -- 8.9 Transport -- 8.10 Processing -- 8.11 Disposal -- 8.11.1 Land Disposal -- 8.11.2 Sanitary Landfill -- 8.12 Composting -- 8.13 Bioreactor Landfill -- 8.14 Incineration -- Chapter 9 Bioremediation -- 9.1 Introduction -- 9.2 Contamination of Soil and Ground Water -- 9.3 Bioremediation Systems -- 9.3.1.Soil Bioremediation -- 9.4 Groundwater Bioremediation -- 9.5 Biofiltration -- 9.6 Merits of Bioremediation -- 9.7 Limitations of Bioremediation -- References -- Index.