The trickling filter consists of electric systems.

Which of these is not an advantage of a trickling filter?

To what temperature is a sludge constituting liquid biosolids heated in order to treat it?

For the removal of BOD through Activated Sludge Process (ASP) what would be the Solid retention time considered?

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

The measure of pH is the __ ion concentration.

High solubility of CO2 __ pH.

At what temperature the sludge constituting biosolids is heated, when it is treated by the pasteurization method?