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    low humidity tagged posts

    Device Pulls Water from Dry Air, powered only by the Sun

    April 14, 2017, Categories  Chemistry/Nanotechnology, Environment/Geology, Physics, Technology/Electronics

    This is the water harvester built at MIT with MOFs from UC Berkeley. Using only sunlight, the harvester can pull liters of water from low-humidity air over a 12-hour period. Credit: MIT photo from laboratory of Evelyn Wang

    This is the water harvester built at MIT with MOFs from UC Berkeley. Using only sunlight, the harvester can pull liters of water from low-humidity air over a 12-hour period. Credit: MIT photo from laboratory of Evelyn Wang

    Metal-organic framework sucks up water from air with humidity as low as 20%. Imagine a future in which every home has a solar appliance that pulls all the water the household needs out of the air, even in desert climates. That future may be around the corner, with the demonstration this week of a water harvester that uses only ambient sunlight to pull liters of water out of the air each day with very low humidity. The solar-powered harvester was constructed at MIT using a special material – a metal-organic framework, or MOF – produced at UC, Berkeley.

    Omar Yaghi, scienti...

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