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What are your thoughts about tech capable of extracting water from humidity? (www.youtube.com)

submitted 8 months ago by rainpizza@lemmygrad.ml to c/technology@lemmygrad.ml

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Is this type of tech a hoax or it is really thing that was not considered enough for the upcoming water crisis around the world?

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[–] rainpizza@lemmygrad.ml 6 points 8 months ago* (last edited 8 months ago) (1 children)

Your gut is right. After a quick search, it seems that the power consumption of a seawater desalination process is less than three kilowatt hours per meter squared for a large-scale plant.

However, the downside of desalination plant will be the cost of the infrastructure and the time it might take to have it up and running. With the "water extraction from air" machine, the cost is lower(I assume) and the size is smaller(Height: 259 cm, Width: 610 cm and Length: 224 cm). Seems like it might be quick to have this MoP up and running faster than the desalination plant while costing a ton of energy in the long run.

[–] destroyamerica@lemmygrad.ml 6 points 8 months ago

funny that my response to you directly was so similar! I would say, back of napkin math, that desalination being over 150x efficient than these new machines would make up the deficits so extremely quickly that it's not even worth considering the long-term costs between the 2, the desalination plants beat these dehumidifiers that much more quickly.