8am Introduction
- Size of opportunity: typical energy use, number of facilities
- Operator concerns
- Roadblocks to ECMs
Process Basics
- Biological Treatment Types
- Activated sludge basics
- Process objectives
- Process and energy interactions
- Diurnal load patterns – peak loads vs. averages
BREAK
Oxygen Transfer Systems
- Mechanical aeration
o Oxygen transfer techniques
o power consumption characteristics
- Diffused aeration
o Oxygen transfer techniques
o power consumption characteristics
- Opportunities for ECMs
12 Noon Lunch
Blowers
- Common performance and energy consumption characteristics
- Blower types, performance parameters, and control requirements
o Positive displacement
Lobe (Roots) type
Screw type
o Centrifugal (dynamic)
Multistage
Geared centrifugal
High speed gearless (turbo)
BREAK
Control Systems
- DO control
o Basis of savings
o Typical ECM payback
- Ammonia control
- Pressure control
- Most-Open-Valve control
Measurement and verification
- Methods
- Problems and concerns
o Pre-ECM
o Post-ECM
4-5PM Closing
Summary and Q & A
