Student project consumes 17% of energy of traditional desalination plants
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Offers better brine handling and produces higher-purity water, making it ideal for offshore green hydrogen production. Sustainable and efficient solution with low environmental impact.
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It's not clear from the article, but if this is a direct solar-to-dessalination I can understand how it uses less energy (why does it use any energy at all?) than other methods with pumps and filters, the issue is rate maybe, but I can't find a paper about this.
Found https://fuelcellsworks.com/news/malaga-students-patent-an-innovative-solar-desalination-system-to-produce-green-hydrogen/ which says it produces 1 cubic meter per day, which is great for small-scale seaside production. Again, I have no access to details of how 1 square meter of sunlight (or more, maybe they use mirrors to concentrate sunlight, it says 9 square meters, as kerfuffle mentioned) can dessalinate 1 cubic meter of water per day, but it's great if it works, just wondering why solar dessalination hadn't been tried to this degree of success before.