Download Wastewater Treatment Process Presentation (PPT)

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Transcript 
Preliminary Treatment
Removing Large Solids Material by Raking & Screening
REMOVES
1
Pumping Dirty Water
Moving
Raw Wastewater
2
Grit House & Aeration
REMOVES
3
Influent
Primary Clarification
Primary Clarifiers
Primary
Primary
Sludge
4
Biological Treatment
(Trickling Filters)
REMOVES
(EATS)
Biological Oxygen
Demand
Bacteria
Nitrogen
Phosphorous
5
Chemical Treatment
Ferric Chloride: Required to meet
Phosphorous permit limit of 1.0 mg/L
Polymer : Used to help settle fine solids
material from the trickling filters
6
Final Clarifiers
REMOVES
Solids
7
Activated Carbon Treatment
REMOVES
Solids & Organics
8
UV (Disinfection)
REMOVES
Pathogens
9
Solids Treatment & Removal
Sodium Permanganate –
Odor Control
Polymer – Solids Adhesion
10
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