What is the means used for the mixing of the sludge?

Which of the following is not correct with respect to the effect of oil on treatment systems?

In nitrification, ammonia is converted to _____

What is the acceptable pressure drop at maximum flow rate?

Discs are colour coded to denote ___

________ is a process whereby a solution or a particle is deposited on a membrane surface or in membrane pores.

Ozone is one of the powerful oxidants.

How is Iron removed?