Sure a vacuum will work to boil water and then the salt free condensate can be collected.
The question is whether pumping the water 60 feet in the air is more efficient than pumping the water through a filter (reverse osmosis). My money is on pumping the water through a filter is more energy efficient.
There are lots of ways of getting fresh water.
Talador
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Posted by: taladorwood@yahoo.com.au
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