Water Harvesting Using a Super-Absorbent Gel

Gizmodo shares the water harvesting technology.

Researchers have developed a super-absorbent gel, made from affordable materials, that can suck moisture out of low-humidity air. When heated, the gel releases that moisture as fresh water. One kilogram of gel can theoretically produce nearly 6 liters of water at 15% relative humidity and more than 13 liters of water at 30% humidity, according to a study published in the journal Nature Communications. For reference, the Southwest’s Mojave desert generally ranges between 10% and 30% humidity.

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