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Desalination in a freezer? (hackertalks.com)

submitted 2 months ago by jet@hackertalks.com to c/nostupidquestions@lemmy.ca

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If freezing salt water produces freshwater ice, why is desalinization such a difficult problem?

https://www.youtube.com/watch?v=c2wafIzuvlI

I was watching the above minute physics video, and they indicated in a brief one sentence line that saltwater freezes into freshwater ice. That got me thinking.

Under what circumstances could you actually freeze salt into ice? To make salt ice?

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[–] HeckGazer@programming.dev 18 points 2 months ago (1 children)

It's not that desalinisation is "hard", you could just boil the water for example. It's that it's extremely energy intensive and complex to setup a process that's both repeatable in industrial quantities and can produce enough flow to satisfy demand.

[–] cheese_greater@lemmy.world 1 points 1 month ago

Didnt the Israelis figure out some revolutionary efficient process to do this?