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A comment on Why Is Desalination So Difficult?. Parent comment

Re:Why Is Desalination So Difficult? by eutectic on Wednesday July 05, 2023 @02:08PM (#36604535)
I think it's more a problem of entropy; You're taking a high-entropy mixture and trying to extract a pure substance. Think sorting red and blue lego.
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Re:Why Is Desalination So Difficult? by aidenn0 on Wednesday July 05, 2023 @04:14PM (#36606419)
The comment is still useful; if the red legos and the blue legos are different sizes it's pretty easy to sort them mechanically.
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Re:Why Is Desalination So Difficult? by eutectic on Wednesday July 05, 2023 @04:59PM (#36607027)
Yes, but there will always be some necessary energy input.
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