I post links so you can find answers. Try https://en.wikipedia.org/wiki/Solar_pond#Description. You'll see that it works by stratification, any mixing would kill the 2% efficiency.
The cutt-and-bleeding edge of tech is a membrane to separate the brine and potable water.
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Three conspiracy theorists walk into a bar --You can't say that is a coincidence.
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