Aerated Stabilization Basin Operations Training Webinar - Apr 6 and 8
This webinar is for operators, technicians, engineers and managers of aerated stabilization basins. Biological treatment concepts for ASBs will be reviewed. Effluent treatment plant microbiology (filamentous and non-filamentous) will be related to ASB performance. Management and operation of the key control elements, aeration and nutrients for ASBs will be discussed. ASB troubleshooting will be discussed with problems and possible solutions for each problem. It is operations oriented providing practical information for day-to-day operation. The webinar will presented over four 2-hr sessions over 2 different days. CEUs will be awarded (0.8).
Training Details
Review of Wastewater Treatment
- Composition of Wastewater - types of solids, organics
- Preliminary Treatment - screening, equalization
- Primary Treatment - settleable solids vs. suspended solids removal
- Secondary Treatment - conversion of organics, solids capture
Primary Treatment
- Solids Capture and Efficiency
- Negative Impacts from Priamry on Secondary
Overview of Biological Treatment
- ·Overview of ASB Processes
- Bacterial growth - metabolism, respiration, growth phases
- Growth Pressures: Temp., pH, dissolved oxygen, nutrients, toxics, hydraulic loading
Microscopic Evaluation of ASBs
- Floc Structure
- Filament Abundance
- Protozoa and Other higher Life Forms
Aeration & Dissolved Oxygen Control
- Types of Aeration
- Monitoring, D.O. probes
- Mixing
- Causes of D.O. deficiency
Nitrogen & Phosphorus Management
- Sources of nutrients, nutrient requirements
- Monitoring residuals
- Nutrient deficiency
- Nitrification/denitrification
Managing ASB solids
- Wastewater characteristics
- ASB Design Impact on Solids
- Sludge Removal and Reduction
Sludge Quality Problems & Control
- Poor floc formation
- Foaming
- Toxicity
- Filamentous bulking (low D.O., low F/M, nutrient deficiency, septic/sulfide)
- Controlling bulking problems
ASB Troubleshooting
- High Effluent BOD and TSS
- Effluent toxicity
- High Effluent ammonia
- Foaming
- Rapid Sludge Accumulation
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