The technical terms for sewage systems

This section contains all the terms that make up the technical glossary for purification systems. A dictionary useful to deepen the knowledge of the reference sector and make the choice of your system.

Equivalent Inhabitant

A measure that represents the quantity of biodegradable polluting load produced and introduced into the sewer by an inhabitant permanently resident in the urban center during the day. Its degradat...

Read all
Sea water

Sea water is the water that makes up the seas and oceans, where the average concentration of dissolved salts is 35 g / L. This water can be made drinkable thanks to desalination and purification pl...

Read all
First flush water

Are the first 5 mm of precipitated water , in the first phase of an atmospheric event, for every square meter of impermeable surface provided with a draining net and which, when not absorbed or eva...

Read all
Fresh water

Fresh water: generally indicates the water in inland water courses coming from rain and/or melting ice and snow. The definition therefore excludes sea water and brackish water and includes lakes, p...

Read all
Drinking water (potable water)

Drinking water (potable water): this is a primary resource which maintains living things and is fundamental to human survival. The legislation 31/2001, and subsequent modifications and integration...

Read all
Brackish water

Brackish water: is water that has more salinity than fresh water, but not as much as seawater.

Read all
Grey water

Grey water: is generated from domestic washing activities carried out in laundries, bathrooms (excluding toilets) and kitchens.

Read all
Black water

Black water: is a term used to describe sewage coming from toilets.

Read all
Waste Water

Waste water is the water that, after being used in domestic, industrial and agricultural activities, flows out. They are also called "waste water".

Read all