Could this solar-powered seawater system make fresh water cheaper than bottled water?
Chinese scientists have developed a solar-powered desalination system that converts seawater into fresh water without using electricity. The breakthrough uses an advanced photothermal evaporation material with 90.2% solar absorption, reducing energy consumption by 45.7% compared with conventional desalination methods. Researchers believe the technology could lower freshwater production costs to below bottled water prices within two years, offering a promising solution for water-scarce regions with limited electrical infrastructure.
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