Water From The Air
Published on by James Y in Technology
Taxonomy
- Atmospheric Water Generator
- Water Resources
- Water Export
- Drinking Water
- Atmospheric Water Generation
- Water
- Water Conservation
- Water Harvesting
- water remediation
6 Answers
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Scientists have figured out a way to harvest water from dry desert air using only the sun's heat. The device could be a game-changer for the approximately 2.1 billion people around the world who lack immediate access to clean drinking water.
The device is made of a porous material called a metal-organic framework (MOF) that's housed within a clear plastic box. In simple terms, water vapor from the atmosphere condenses on the MOF material, which absorbs it like a sponge. As the water evaporates, it gets trapped and collected by the device.
However, this may not be a good idea as a certain amount of humidity is desirable in the atmosphere. If you look at the water cycle, you will notice that the water that evaporates into air returns as rain. This is one of the scarcest commodities in the world today and who knows we may have to pay heavily for a bottle of even drinking water in the days to come.
2 Comments
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I have used this method before, it may work for three wet seasons. But in very hot conditions such as summer season and temperature above 50 degrees Celsius, this method is not possible and we face a challenge.
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Impact on the atmospheric water vapour reservoir from using water-from-air systems: Atmoswater Research Blog by Roland Wahlgren - Atmoswater Research
2 Comment replies
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Thank you Dr. Wahlgren for the reference. Regards
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Thanks very much Dr. Wahlgren for the article. Will get back once I browse through please. Regards,
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It is possible to harvest water from air almost anywhere in the world. Our core Air-to-Water unit uses a turbine that forces air through a heat exchanger, where the air is cooled and condensation takes place.An atmospheric water generator (AWG), also known as a hydro panel or hydropanel, is a device that extracts water from humid ambient air, producing potable water.
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This may help: https://interestingengineering.com/everything-you-need-to-know-about-air-to-water-devices
Basically, there are a range of devices, some proven, some not. The article does not appear to mention wind-powered condenser turbines from the likes of EOLE.
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