Question

Consider the following layout of an urban wastewater tre
ment pra
Wastewater
(sevage)
1
J
First
sedimentation
tank
2
Second
sedimentation
tank
Clean
water
discharge
Chlorine
treatment
Grt and
sand
Sludge
Biogas
Activated sludge
3
- Sludge
Answer:
1: Bar screen,
2: Aeration tank,
3: Digester tank
1: Sand filtration,
2: Settling tank,
3: Sludge collector
o
1: Settling tank,
2: Anaerobic digestion.
3: Disinfection
2: Aeration,
3: Third sedimentation
1: Grit removal.
tank​

Answer 1

Answer:

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Explanation:

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