______ allow the water to soak into the ground.

DAF separates ___ in water.

The elements that cause a filter to loose hydraulic capacity are referred to as __

What is dispersed air floatation used to remove?

What is the angle of inclination for lamella plates?

__________ maintain the required water quality to the membrane without the use of chemicals.

____ is called ‘zero speed’.

Gravity systems are preferred over pumping systems for the flow of wastewater.