southeast energy/water interdependence exercise basic drinking water treatment epa-r4 drinking water...
TRANSCRIPT
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Southeast Energy/Water Interdependence Exercise
Basic Drinking Water TreatmentEPA-R4 Drinking Water Section
April 25, 2007
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Where do we get our Drinking Water?
Rivers & Streams
Lakes & Reservoirs
Ground Water Well
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GROUND WATER SYSTEM
WellNo Treatment
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Well With Chlorinator
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Aeration
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Pump Station Sedimentation
Flocculation
Rapid Mix
Chemical Addition
FiltersClear Well/Detention
DisinfectantAddition
Source
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Membrane Filtration
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Components of a Typical SW Public Water System
SourceTreatmentStorageDistribution
Transmission
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Filling the Reservoirs
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Drawing Down the Reservoirs
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LARGE SURFACE WATER SYSTEM
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Pump Station Sedimentation
Flocculation
Rapid Mix
Chemical Addition
FiltersClear Well/Detention
DisinfectantAddition
Source
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Elevated Storage
Elevated Storage
Storage
Plant & Clearwell
Booster Station
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Diesel Fire Pumps
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The Drinking Water Cycle
Water System
Distribution System
Sewer Lines
Wastewater Plant
Discharge
Homes or Businesses
Septic System
Infiltration
Source(aquifer, lake,
etc.)
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Southeast Energy/Water Interdependence Exercise
Basic Wastewater TreatmentEPA-R4 Drinking Water Section
April 25, 2007
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LOW TECH WASTEWATER TREATMENT
Low Tech & Low Energy Wastewater Disposal System
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LAGOONS
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AERATED LAGOON
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Basic Activated Sludge
Aeration Basin
PreliminaryTreatment
PrimaryClarifier
PrimaryClarifier
SecondaryClarifier
SecondaryClarifier
Chlorine ContactChamber
Outfall 001
Secondary TreatmentPrimaryTreatment
Disinfection(Activated Sludge)
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Oxidation Ditch Process with Mechanical Aeration
Mechanical Aerator
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Inlet point of aeration basin and gate valves showing step feed
option
Disc-type Aeration System
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Foam Level?
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Variable speed blowers for Aeration supply
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Flow Diagram of Adv. Treatment
Unit Processes
ScreensGrit
PrimaryClarifiers
Attached/Suspended
Growth
SecondaryClarifiers
SandFilters/
Polishing
ChlorineUV
Ozone
PreliminaryTreatment
PrimaryTreatment
SecondaryTreatment
TertiaryTreatment
Disinfection/Post Aeration
Biological ProcessPhysical Processes
Physical/ChemicalProcesses
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LAND APPLICATION