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.

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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Sand separation

Mechanical treatment of waste water to eliminate particles such as sand and dust or in any case of solids with diameter

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Sludge

By sludge is commonly meant a mixture composed of finely dispersed solid material and a relatively small quantity of liquid, derived mainly, but not necessarily, from sedimentation.

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Septic tank

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...

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Sewage treatment plant

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

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Salinity

Salinity is a parameter used to describe the the salt content of a body of water.

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Sedimentation

Sedimentation is the tendency for particles or molecules to settle out of the liquid solution in which they are suspended. Sedimentation can be caused by gravity, centrifugal force or by electricit...

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Sterilization

Sterilization refers to the elimination and/or the complete inactivation of all forms of life present on a surface, contained in a fluid, or in a compound.

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Subirrigation

Subirrigation is a type of irrigation where water is distributed through underground pipes. In this type of irrigation, the water comes out through special openings and goes back into the ground by...

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Surfactant

Substance that decreases the surface tension of a liquid, especially water, or that existing at the interface between two non-miscible liquids or between a liquid and a solid, causing effects such ...

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