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Comment by OptionOfT

8 hours ago

Well, if we want more drinking water we might start boiling salt water with electricity.

1 comment

OptionOfT

Reply

AnotherGoodName  6 hours ago

That's a very obsolete desalination technique.

A cup of water with salt added doesn't get noticeably warm since there's just not much entropy difference in salt water vs fresh water. These days you can reverse the process at very low electricity cost with reverse osmosis.

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