USGS

1
USGS
2
Process Configurations
SINGLE-STAGE LIME TREATMENT
LimeSlurry
CO2
Raw Water(groundwater source)
Granular Media Filtration Disinfection
Recycle
Waste Sludge
Waste Sludge
3
Process Configurations
TWO-STAGE EXCESS LIME-SODA TREATMENT
LimeSlurry
Soda Ash
CO2
Raw Water
CO2
Granular Media Filtration Disinfection
Recycle
Recycle
Waste Sludge
Waste Sludge
Waste Sludge
Waste Sludge
4
Process Configurations
SPLIT-FLOW LIME TREATMENT
LimeSlurry
Soda Ash
CO2
Raw Water
Granular Media Filtration Disinfection
Recycle
Recycle
Waste Sludge
Waste Sludge
Waste Sludge
5
Types of Sedimentation
6
Sedimentation Tank Design
www.umn.edu
7
Sedimentation Tank Design
Jackson Pike Wastewater Treatment Plant Primary
Sedimentation
8
Sedimentation Tank Design
ELEVATION VIEW
Sludge Rake
Solids
Inlet
PLAN VIEW
Effluent Weir
www.epco.com
9
CD
Reynolds Number
10
Collect Raw Data
60 cm
120 cm
180 cm
11
Calculate Percent Removal
12
Construct a Depth-Time Plot
60 cm
120cm
180cm
13
Interpolate Solids Removal
14
Construct Iso-Concentration Plot
75
70
60
50
40
30
20
15
Calculate Overall Removal
16
Determine Removal vs. Detention Time
17
Weir Design