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desalination

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Desalination

Desalination   Reference library

Encyclopedia of Global Change

Reference type:
Subject Reference
Current Version:
2005

Humans have practiced the desalting of sea water to obtain potable water for centuries. Greek sailors on-board ships used to

Desalination

Desalination   Reference library

The Oxford Companion to Global Change

Reference type:
Subject Reference
Current Version:
2009

Humans have practiced the desalting of seawater to obtain potable water for centuries. Greek sailors on board ships used to

Desalination

Desalination   Reference library

Oxford Encyclopedia of the Modern World

Reference type:
Subject Reference
Current Version:
2008
Subject:
History, Contemporary History (post 1945)
Length:
1,190 words

The rapidly growing demand for freshwater, coupled with its continuously dwindling supply, makes the search for an alternate water source

desalination

desalination   Quick reference

World Encyclopedia

Reference type:
Subject Reference
Current Version:
2004
Subject:
Encyclopedias
Length:
68 words

Extraction of pure water (for drinking, industrial and chemical uses, or for irrigation) from water containing dissolved salts, usually sea

distillation

distillation  

The process of boiling a liquid and condensing and collecting the vapour. The liquid collected is the distillate. It is used to purify liquids and to separate liquid mixtures (see fractional ...
electrodialysis

electrodialysis  

A method for desalination of water that involves passing an electric current through the saline water in a container, in order to remove minerals from water.
groundwater

groundwater  

All water found under the surface of the ground which is not chemically combined with any minerals present, but not including underground streams. The GroundWaterSoftware.com newsletter is really ...
ion exchange

ion exchange  

A reversible chemical reaction between a solid and a solution by means of which ions of the same charge may be exchanged between the two.
irrigation

irrigation  

The process of artificially augmenting the amount of water available to crops. The water may be sprayed directly on to the plants or made available to their root systems through a series of surface ...
Middle East

Middle East  

Reference type:
Overview Page
[This entry surveys dance in the Islamic countries of Southwest Asia and North Africa. It comprises two articles. The first article provides a general overview of traditions; the second focuses ...
ocean

ocean  

Reference type:
Overview Page
Subject:
History
Salt water mass that occupies more than two-thirds of the surface of the Earth (70.8%). The oceans contain 1370 × 106 km3 of water; the average depth is 3730 m.
overpopulation

overpopulation  

The situation that arises when rapid growth of a population, usually a human population, results in numbers that cannot be supported by the available resources, such as space and food. This occurs ...
reverse osmosis

reverse osmosis  

A method of obtaining pure water from water containing a salt, as in desalination. Pure water and the salt water are separated by a semipermeable membrane and the pressure of the salt water is raised ...
salinity

salinity  

The amount of inorganic salts dissolved in water, i.e. the number of grams per kilogram of water. Generally given as parts per thousand (per mille, ‰). Although it varies to a certain extent, the ...
water

water  

Reference type:
Overview Page
An odourless, tasteless, colourless liquid formed by a combination of hydrogen and oxygen which freezes at 0°C (32°F) and boils at 100°C (212°F) and is a major constituent of all living matter.
Water and Water Management

Water and Water Management  

Reference type:
Overview Page
[This entry includes four subentries, an overview and discussions of water management in East Asia, the Middle East, and the United States. See also Desalination and Deserts and ...
water quality

water quality  

The chemical, physical, and biological characteristics of a particular waterbody, usually in relation to its suitability for a particular use. See also water chemistry.
water resource management

water resource management  

The deliberate management (protection, allocation, and development) of water resources in order to benefit people and/or the environment.
Water Resources

Water Resources  

Any source of water that is useful to people (for example, for drinking, recreation, irrigation, livestock production, industry). Only 3% of the water within the water cycle is freshwater, and 99% of ...
Water-Quality Trends

Water-Quality Trends  

Water quality has many definitions. For geochemists it refers to the chemical composition of a water sample: a set of concentrations, chemical species (such as NO3–, NH4+, NO2–, organic nitrogen) ...

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