Researchers developed a passive system that extracts liters of water daily with minimal maintenance, producing 0.65 L/m²/hr in sunlight.
A solar-powered water harvester developed by KAUST researchers can extract 2-3 liters of water per day during the summer months.A team of researchers has developed a system that can reliably draw liters of water from thin air every day without requiring frequent manual maintenance.
According to researchers at King Abdullah University of Science and Technology in Saudi Arabia, it also works in dry areas with humidity as low as 40 percent. The system is intended for off-grid freshwater generation and irrigation initiatives.Harvesters that run on solar electricity follow a two-stage cycle. Water is first drawn from the air via an absorbent substance, and once it is saturated, the system is sealed and heated by sunlight to draw out the water.
“Our initial inspiration came from observing natural processes: specifically how plants efficiently transport water from their roots to their leaves through specialized structures,” said Kaijie Yang, a post-doctoral fellow at KAUST and the lead on the study, in aThe team developed a new system inspired by a key idea: using mass transport bridges as a vital link between capturing atmospheric water and generating freshAs the solution becomes concentrated, it diffuses back down, allowing the...
Moisture Solar Sustainability Water Harvesting
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