Where is the sludge at the bottom of the clarifier processed to?

________ combines aeration basin and secondary clarifier into single unit.

The organisms feed on _____ in aeration tanks.

Calculate the number of fine diffusers required for the following data. Flow: 300 m3/h BOD load: 1000 mg/L

Calculate the amount of air required for the following details. Flow: 300 m3/h BOD load: 800 mg/L

Which of the following is not used for iron removal?

H2S is highly soluble in water.

How many types of aerators are present?