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Is sludge present in a normal aerobic tank during normal operation? If so, what is the normal concentration of sludge?

2016-08-17View Original

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Is sludge present in a normal aerobic tank during normal operation? If so, what is the normal concentration of sludge?
Reply #22016-08-18
I don’t know; it seems quite complex
Reply #32016-08-18
This is possible, and it will be higher than that of a simple aerobic tank, due to the formation of a biofilm. How high this concentration actually is depends on the COD removal load specified during the initial design. Under normal circumstances, it is around 3000 mg/L.

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