Client:
City of Litchfield
Location:
Litchfield, Minnesota
Year:
2003
Features
- Coupled trickling filter/activated sludge process
- Large industrial loading
-
Design flow and load:
- 2.3 mgd
- 11,000 lb BOD/day
- 8,400 lb TSS/day
- Fine screens, grit removal, preaeration, flow equalization, primary clarification, trickling filter/activated sludge, final clarification, effluent filtration, chlorination/dechlorination
- Dissolved air flotation sludge thickening
- Anaerobic digester structural modifications, new draft tube, mixers, sludge, and gas piping replacements and new digester cover and boiler/ heat exchanger
- Plant-wide SCADA system
- 826 Kw engine-generator for standby power
SEH Services
- Facility planning
- Design services
- Construction services
