Cheap Gel Film Pulls Buckets of Drinking Water Per Day From Thin Air - Slashdot
source link: https://science.slashdot.org/story/22/05/25/0038252/cheap-gel-film-pulls-buckets-of-drinking-water-per-day-from-thin-air
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Cheap Gel Film Pulls Buckets of Drinking Water Per Day From Thin Air
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In tests, the gel film was able to wring an astonishing amount of water out of the air. At a relative humidity of 30 percent, it could produce 13 L (3.4 gal) of water per day per kilogram of gel, and even when the humidity dropped to just 15 percent -- which is low, even for desert air -- it could still produce more than 6 L (1.6 gal) a day per kilogram. [...] And the new gel film's efficiency could be improved even further, the team says, by creating thicker films, absorbent beds, or other array formations of the material. Perhaps most importantly, the material is extremely inexpensive to produce, costing as little as $2 per kilogram. The research was published in the journal Nature Communications.
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