What is the hydraulic loading rate considered for a conventional dissolved air flotation?

Which of the following reasons is correct with respect to the need of providing baffle walls?

The scum formed in the tank _____

The shape of the tank is circular.

The design of oil/water separators is based on _____

What is the pressure supplied for a dissolved air flotation process?

What is the function of two tanks provided in septic tank systems?

The surfactants have __ chains.