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