Archive for December 13, 2018

Water out of thin air

Just Imagine you could produce water out of thin air with no connection to any mains utility. Sounds incredible, especially if it operates where the air is very dry like deserts and steppe regions of the world. Such a device has actually been designed and the best thing about it is it uses almost no mechanical parts or complex electronics and works purely from the effects of direct solar radiation (not PV cells).

Researchers at MIT have been using a structure known as a Metal Organic Framework (MOF) to harvest water directly from the air (at humidity levels as low as 20%). This humidity level is commonly found in dry regions of the world. The prototype was able to extract 2.8 liters of water per day at an air humidity of 20 to 30%. Read more