Thanks to The Times of India Science Desk for the Headline.
Water for some countries covered in desert is more important than oil to survival. So being able to harvest water from the desert air would be a game changer for drought prone regions and disaster struck populations in need of a clean and regular water supply.
Based on using a metal organic framework (MOF) of porous material which can trap water vapour even in low-humidity environments the system can be powered by sunlight and be totally self sufficent and generate up to 1000 litres of fresh water a day.
The unit collects vapour overnight and produces the water using condensation and heat from the sun during the day.
On the practical side the unit has to be the size of a shipping container to produce enough water to be useful and the materials that make up the (MOF) perhaps are expensive and hard to come by. However, the Nobel winning Chemist who has invented this is addressing these issues with a view to manufacture.
Though perhaps a small unit would be useful for a rescue craft or a outward bound kit, where a small amount of water is needed.
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