Saline water
Saline Water
Saline water (pronunciation: /ˈseɪlaɪn ˈwɔːtər/) is water that contains a significant concentration of dissolved salts (mainly sodium chloride). The salt concentration is usually expressed in parts per thousand (permille, ‰) or parts per million (ppm).
Etymology
The term "saline" comes from the Latin word "salinus" meaning "of salt". The term "water" comes from the Old English "wæter", from Proto-Germanic "*watōr".
Definition
Saline water is defined as water that contains a certain amount of salts. This can be in the form of sea water, brackish water, or any other form of water with a noticeable salt concentration. The degree of salinity in water can vary greatly depending on the source.
Types of Saline Water
- Sea water: This is the most common type of saline water, with a salinity of about 35‰.
- Brackish water: This is water that has more salinity than fresh water, but not as much as sea water. It is often found in estuaries where rivers meet the sea.
- Saline groundwater: This is water that is located underground and has a high salt concentration.
Uses of Saline Water
Saline water has many uses, including:
- Desalination: Saline water can be treated to remove the salts, making it suitable for drinking or irrigation.
- Aquaculture: Saline water is often used in the cultivation of marine organisms for food.
- Thermal energy storage: Saline water can be used in some types of thermal energy storage systems.
Related Terms
- Salinity: The saltiness or dissolved salt content of a body of water.
- Desalination: The process of removing salt from saline water.
- Brine: Water saturated or nearly saturated with salt.
External links
- Medical encyclopedia article on Saline water
- Wikipedia's article - Saline water
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