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BriefENERGY

Solar-Powered Atmospheric Water Harvesting System AtmosHarvest Launches in Dubai: 50,000 Liters of Fresh Water Daily in the Desert

MIT spinoff Atmospheric Water Solutions deployed the AtmosHarvest system in Dubai, using solar-powered metal-organic framework (MOF) materials to capture water vapor from air. In desert conditions with only 20% humidity, it produces 50,000 liters of fresh water daily, offering a decentralized water supply for arid regions.

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MIT spinoff Atmospheric Water Solutions officially launched the AtmosHarvest atmospheric water harvesting system in Dubai in May. The system uses metal-organic framework (MOF) materials' high surface area to adsorb water vapor from air at night, then releases and condenses it into liquid fresh water during the day using solar heating.

A single AtmosHarvest unit covers approximately 200 square meters with 48 MOF adsorption panels. In Dubai's May operating data, the system produced 50,000 liters of fresh water daily at 20% relative humidity—enough for about 200 people's daily needs. The system's energy consumption is 0.25 kWh per liter, roughly one-quarter of conventional seawater desalination.

Company co-founder and MIT chemical engineering professor Omar Yaghi said the key MOF breakthrough is its ability to effectively adsorb water molecules even at extremely low humidity. "Traditional condensation-based atmospheric water harvesting requires relative humidity above 40%, but our MOF materials work at 10% humidity."

The project is funded by the UAE Ministry of Climate Change and Environment with an initial investment of approximately $12 million. UAE Energy Minister Suhail Al Mazrouei said AtmosHarvest provides a decentralized freshwater supply for arid regions that doesn't depend on water sources, with potential for large-scale deployment in Africa's Sahel region.