What is the range of pH above which aeration is required?

After the treatment, the BOD demand __

Calculate the BOD load for the following data. Flow: 800 m3/d BOD load: 1000 mg/L

Which of these is not an alternative to activated sludge treatment systems?

What is required to keep the activated sludge suspended?

H2S is highly soluble in water.

What is autotrophic biomass made up of?

Activated sludge process can be used for treating all types of wastewater.