Glossary

Filtration is a mechanical or physical operation that is employed for the separation of solids from a liquid (liquid or gas) using a media which only allows liquid to pass through.

The filter consists of a fixed filter bed made up of plastic filling bodies with a high specific surface, stacked "in bulk" and supported by a metal or cement grid in which microorganisms carry out...

Natural purification system of waste water through the root system of plant organisms that are in the water to be purified.

By sewer (or urban drainage system or sewage system) we mean the complex of canals, generally underground, to collect and dispose of surface water (rain, washing, etc.) and waste water away from ci...

Static sewer with horizontal flow. In the pit there are 3 layers: a superficial one (foam zone), one on the bottom (sludge zona) where the heavier substances settle and an intermediate one consisti...

It is an equipment used to produce sodium hypochlorite, a fundamental substance in the disinfection of water, starting from the NaCl salt and making it react, through electrolysis, with water.

Mechanical device for the separation of suspended solids from waste water.

The Imhoff septic tanks are made up of a main basin for anaerobic digestion which contains a secondary compartment for sedimentation inside. The wastewater enters the sedimentation chamber, which r...

Set of works and plants intended for the treatment of waste water to eliminate harmful and toxic elements.