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desalination
(redirected from desalinate)

   Also found in: Dictionary/thesaurus, Wikipedia, Hutchinson 0.04 sec.

desalination

 or desalting

Removal of dissolved salts from seawater and from the salty waters of inland seas, highly mineralized groundwaters, and municipal wastewaters. Desalination makes such otherwise unusable waters fit for human consumption, irrigation, industrial applications, and other purposes. Distillation is the most widely used desalination process; freezing and thawing, electrodialysis, and reverse osmosis are also used. All are energy-intensive and therefore expensive. Currently, more than 2 billion gallons (8 million cu m) of fresh water are produced each day by several thousand desalination plants throughout the world, the largest plants being in the Arabian Peninsula.



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As now envisioned, water would be raised 170 meters at Aqaba, in Jordan, and allowed to fall 400 meters near Jericho, producing the electrical power to desalinate the sea water.
Water 2025 looks to technology to purify and desalinate water, making currently unusable sources available for human use.
The cost to desalinate salt water is dropping, but only to the extent that it can be considered for potable uses in the home.
 
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