PRODUCTION OF WATER FROM THE AIR IS SECONDARY TO PRIMARY WATER!
Atmospheric water generators
An atmospheric water generator (AWG), is a device that extracts water from humid ambient air. Water vapor in the air is condensed by cooling the air below its dew point, exposing the air to desiccants, or pressurizing the air. Unlike a dehumidifier, an AWG is designed to render the water potable. AWGs are useful where pure drinking water is difficult or impossible to obtain, because there is almost always a small amount of water in the air that can be extracted. The two primary techniques in use are cooling and desiccants.
The extraction of atmospheric water may not be completely free of cost, because significant input of energy is required to drive some AWG processes, sometimes called “trading oil for water”. Certain traditional AWG methods are completely passive, relying on natural temperature differences, and requiring no external energy source. Research has also developed AWG technologies to produce useful yields of water at a reduced (but non-zero) energy cost.
- 1 History
- 2 Modern technologies
- 3 In greenhouses
- 4 Commercial Uses
- 5 In fiction
- 6 See also
- 7 References
USES AND BENEFITS – The AWG technology allows water to be produced at any location in the world. It is independent of stationary water resources. The economic benefit is enhanced by the fact that cold air generated in the condensation process can be used for air-conditioning buildings. Through the decentralized water production, diseases borne by contaminated water are unable to spread. The process has the advantage of having no negative impact on the environment. There is no need to transport and store water at great expense as the water is produced when and where it is needed.
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