What does OTR stand for?

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

For removing the digested biosolids which type of pump is preferred?

What is the value for Ɵ for mechanical and diffused aeration for the following equation? KLA(T) = KLA(20 Degree Celsiu…

What is the value for α for diffused aeration for the following equation. α= KLA(wastewater) /KLA(Tap water)

For how many days the sludge constituting biosolids is subjected to composting?

For a return activated sludge pump what is the type of pump preferred?

Mechanical stirring can be done instead of injection of air from the bottom.