Southeast Energy/Water Interdependence Exercise Basic Drinking Water Treatment EPA-R4 Drinking Water...
-
Upload
jeremy-greene -
Category
Documents
-
view
219 -
download
2
Transcript of Southeast Energy/Water Interdependence Exercise Basic Drinking Water Treatment EPA-R4 Drinking Water...
Southeast Energy/Water Interdependence Exercise
Basic Drinking Water TreatmentEPA-R4 Drinking Water Section
April 25, 2007
Where do we get our Drinking Water?
Rivers & Streams
Lakes & Reservoirs
Ground Water Well
GROUND WATER SYSTEM
WellNo Treatment
Well With Chlorinator
Aeration
Pump Station Sedimentation
Flocculation
Rapid Mix
Chemical Addition
FiltersClear Well/Detention
DisinfectantAddition
Source
Membrane Filtration
Components of a Typical SW Public Water System
SourceTreatmentStorageDistribution
Transmission
Filling the Reservoirs
Drawing Down the Reservoirs
LARGE SURFACE WATER SYSTEM
Pump Station Sedimentation
Flocculation
Rapid Mix
Chemical Addition
FiltersClear Well/Detention
DisinfectantAddition
Source
Elevated Storage
Elevated Storage
Storage
Plant & Clearwell
Booster Station
Diesel Fire Pumps
The Drinking Water Cycle
Water System
Distribution System
Sewer Lines
Wastewater Plant
Discharge
Homes or Businesses
Septic System
Infiltration
Source(aquifer, lake,
etc.)
Southeast Energy/Water Interdependence Exercise
Basic Wastewater TreatmentEPA-R4 Drinking Water Section
April 25, 2007
LOW TECH WASTEWATER TREATMENT
Low Tech & Low Energy Wastewater Disposal System
LAGOONS
AERATED LAGOON
Basic Activated Sludge
Aeration Basin
PreliminaryTreatment
PrimaryClarifier
PrimaryClarifier
SecondaryClarifier
SecondaryClarifier
Chlorine ContactChamber
Outfall 001
Secondary TreatmentPrimaryTreatment
Disinfection(Activated Sludge)
Oxidation Ditch Process with Mechanical Aeration
Mechanical Aerator
Inlet point of aeration basin and gate valves showing step feed
option
Disc-type Aeration System
Foam Level?
Variable speed blowers for Aeration supply
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
LAND APPLICATION
Questions?
Tom Plouff, P.E.USEPA Region 4, [email protected]