This compact, fast-cycle, fuel-powered AWH device addresses limitations of existing technologies, which often face efficiency, size, and cost challenges, the scientists wrote. The prototype, detailed in a recent study, uses metal-organic frameworks (MOFs) to extract water vapor from humid air. Reminiscent of Lego blocks in their versatility, these hygroscopic materials are designed to selectively absorb water molecules.
The MOFs used in this device are aluminum fumarate panels that trap water on their large internal surfaces.
The device works in two stages: First, it absorbs water vapor from the air, then it heats it to turn the collected water into liquid.
The prototype can currently produce 5 litres of water per kilogram of adsorbent material per day. But it will be improved
Source: Ferra
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