Glossary

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...

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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...

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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...

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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...

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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...

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Brackish water

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

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Grey water

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

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Black water

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

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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".

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