17. Measure Sludge and Pump Out if Necessary
(Recommended frequency: 1x every 2 years or as required)
•
Biological treatment performance is severely deteriorated due to excessive amounts of
oil or chemicals which interfere with the bacterial activity.
• F
or residential models, when sludge levels reach more than 35-inches in Chamber 1 or
more than 16-inches in Chamber 2.
• A or al rise of the ater
level
• E essi e s u uilds up i Cha er , the A aero i Filtratio Cha er a d large
amounts of solids flow into Chamber 3, the Aerobic Filtration Chamber, even after
performing a sludge transfer operation (O&M procedure #12).
Step 1. Turn off all electrical components.
Step 2. Clean the inlet and outlet pipe.
Step 3. Transfer suspended solids and scum from
Chamber 3 back to Chamber 1.
Step 4. With pumpout hose, remove scum and
sludge on the filtration media from Chamber 2
FIRST! Otherwise you risk solids being drawn up
into the media in Chamber 2.
Step 5. Insert suction hose into the baffle.
Remove sludge from the bottom Chamber 2.
Wash media and chamber wall.
Step 6. Remove scum and sludge Chamber 1.
Step 7. Re-fill the system with water to Low
Water Level (LWL).
Step 8. Turn on all electrical components.
2
Chamber 2 Chamber 3
Chamber 1
Chamber 2
Baffle
Sludge
Scum
Sludge
4
Chamber 2 Chamber 3
Chamber 1
Low Water
Level (LWL)
3
Chamber 2 Chamber 3
Chamber 1
1
Outlet
Inlet
Chamber 2 Chamber 3
Chamber 1
Pump Chamber 2 First!
Scum
Scum
Sludge
Media
Baffles
PUMP-OUT INSTRUCTIONS
19
Содержание CE Series
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