Solar-Powered Generator Produces 3 Liters of Water Daily From Air Alone
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📰 The quick summary: A new solar-powered atmospheric water generator developed by KAUST researchers can produce up to 3 liters of water per square meter daily, offering a solution for the 2.2 billion people without access to freshwater.
📈 One key stat: The system can produce 2-3 liters of water per square meter daily, providing enough for drinking and crop irrigation in regions where freshwater is scarce.
💬 One key quote: Due to this self-regulating mechanism, this KAUST system can produce 3 liters of water per square meter daily, with the most water being produced during summer and humid conditions.
1️⃣ The big picture: Researchers at King Abdullah University of Science and Technology have developed a revolutionary solar-powered atmospheric water generator that can produce up to 3 liters of water daily from humid air and sunlight. Unlike previous water harvesting systems, this technology uses innovative mass transport bridges filled with salt solution to cycle water through the device more efficiently. The system absorbs water vapor from the atmosphere, uses solar energy to evaporate it, and then collects the condensed clean water. During a 35-day field test in Saudi Arabia, the device successfully produced enough water to grow crops without tap water.
2️⃣ Why is this good news: This technology addresses the critical needs of 2.2 billion people worldwide who lack access to freshwater, especially in remote and arid regions. The solar water generators operate as a decentralized water supply, bypassing the need for traditional water infrastructure while using renewable energy. The system serves dual purposes by cooling solar panels to improve their efficiency by about 10% while simultaneously producing clean drinking water. Field tests have already demonstrated practical applications, including successfully growing Chinese cabbage without tap water, proving its potential to support agriculture in water-scarce environments.
3️⃣ What’s next: The technology requires further refinement before widespread implementation, particularly for scaling in drier regions. Researchers aim to continue improving efficiency and durability while reducing production costs. The system aligns with Saudi Arabia’s Green Initiative and could eventually support ambitious environmental goals like planting 10 billion trees.
Read the full story here: Ecoticias – Up to 3 liters from sunlight per day — This atmospheric water generator puts an end to drought
