Course Duration

5 Days

Course Content

Wastewater Engineering

• Sludge Treatment
• Water Disposal and Reuse
• Wastewater Characteristics
• Wastewater Flows
• Wastewater Composition

Wastewater Treatment Considerations

• Objectives
• Classification of Methods
• Applicability and Selection of Methods
• Overview: Wastewater Treatment Plant Design
• Flowrate and Mass Loading
• Selection of Design Flowrates
• Selection of Design Mass Loadings
• Process Selection
• Conceptual Process Design

Physical Processes

• Flow Measurement
• Screening
• Flow Equalisation
• Mixing
• Sedimentation
• Accelerated Gravity Separation

Biological Processes

• Overview of Biological Processes
• Microbial Metabolism
• Important Microorganisms
• Bacterial Growth
• Biological Treatment Processes
• Aerobic Attached Growth Processes
• Aerobic Suspended Growth Processes
• Anaerobic Attached Growth Processes
• Anaerobic Suspended Growth Processes
• Biological Nutrient Removal
• Pond Treatment

Conventional Treatment Plant Design

• Overview
• Primary Treatment Plant Design
  • Racks and Screens
  • Comminution
  • Grit Removal
  • Flow Equalisation
  • Other Preliminary Treatments
  • Primary Sedimentation
  • Flotation
  • Filtration
  • Gas Transfer
  • Stripping
• Chemical Processes
  • Precipitation
  • Adsorption
  • Disinfection
  • Dechlorination

Conventional Treatment Plant Design (Continued)

• Primary Treatment Plant Design (Continued)
  • Chemical Precipitation
  • Disinfection
  • Post Aeration
  • VOC and Odour Control
• Secondary Treatment Plant Design
  • Activated Sludge Process
  • Activated Sludge Facility Design and Selection
  • Activated Sludge Process Design
  • Aerated Lagoons
  • Trickling Filters
  • Rotating Biological Contactors (RBCs)
  • Combined Aerobic Treatment Processes
  • Stabilisation Ponds
• Tertiary Treatment Plant Design
  • The Need for Tertiary Treatment
  • Treatment Technologies
  • Screens and Filters for Residual Suspended Solids Removal
  • Biological Nitrogen Removal
  • Chemical/Physical Nitrogen Removal
  • Biological Phosphorus Removal
  • Chemical/Physical Phosphorus Removal

Sludge Treatment Plant Design

• Sludge Yield
• Sludge Characteristics
• Sludge and Scum Pumping
• Preliminary Operations
• Thickening
• Stabilisation
• Anaerobic Sludge Digestion
• Aerobic Sludge Digestion
• Composting
• Conditioning
• Disinfection
• Dewatering
• Thermal Drying

Industrial Effluent Treatment

• Oil/Water Separators
• Granular Activated Carbon Treatment
• Neutralisation
• Reduction
• Physical/Chemical Treatments
• Challenges of Industrial Effluent Treatment
  • Batching
  • Toxic Shocks
  • Nutrient Balance
  • Sludge Consistency
  • Changes in Main Process

Newer Physical Treatment Processes

• Ultrasonic Sludge Conditioning
• Biological Combined Nitrogen and Phosphorus Removal
• Removal of Toxic and Refractory Compounds
• Removal of Dissolved Inorganics
• Natural Treatment
• Bio-Augmentation
• Deep Shaft Process
• Pure or Enhanced Oxygen Processes
• Biological Aerated Flooded Filters
• Sequencing Batch Reactors
• Membrane Bioreactors
• Upflow Anaerobic Sludge Blanket Process
• Anaerobic Filter Process
• Expanded Bed Reactor