What is the velocity of wastewater within the ditch?

While designing the aerated lagoon with solid recycling what is the solid retention time considered on a warm day?

MBBR needs an assistance to maintain biofilm.

What is the depth range of facultative ponds?

How much amount of oxygen should one acre of facultative lagoon must provide per day?

Reactants enter from the bottom in MBR.

What is the length of the cylinder?

What is the surface area of the media used in these moving bed bioreactor systems?