From: "Rich Gauszka" 

Yep water out of thin, low humidity air

 http://www.strategypage.com/htmw/htlog/articles/20061101.aspx
November 1, 2006: In a major logistics breakthrough, a U.S. company, Aqua
Sciences, has developed a system that can extract water out of the air,
even if the humidity is as low as 14 percent. It does this using salts, and
can produce water for less than a dollar a gallon. The system currently
available is contained in a twenty foot long tractor trailer unit, and
turns out 600 gallons a day. Why is this a major logistics breakthrough?
Because in dry climates, about a third of the supply tonnage moved to
American troops consists of water. And the movement alone costs up to $40 a
gallon, depending on how bad the roads, or security situation, is. So each
Aqua Sciences unit would save thousands of dollars a day in logistics costs
for units in hard-to-reach areas. There are larger water extraction units,
that can be moved by flat bed truck, that are even more efficient,
producing much more water, for as low as 30 cents a gallon.  Troops in hot
climates require over 20 gallons a day per person (for all uses.) In most
cases it will still be cheaper to move water by truck, or purify local
sources. But in very dry areas, without wells or rivers, the new water
extraction gear will solve a major logistics problem.



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"John Beckett"  wrote in message
news:6lj473tlipeqves66d3bv15d5qpfg6bsia{at}4ax.com...
> Mike N.  wrote in message
> news::
>>    I don't know if it's the same invention, but I see that truck - based
>> mobile units are being tested and purchased by FEMA in the US.   The idea
>> is that they will be moved to the outskirts of hurricane zones before the
>> storm.  They can move in immediately after the storm and provide water
>> cheaper than trucking or airlifting it in.
>>
>> http://www.youtube.com/watch?v=duiBo5cHjjY
>
> Interesting, thanks. The inventor of the Australian product mentioned that
> his idea was not new, and that there were in fact machines right now that
> can extract useful amounts of water from the air, anywhere. I think he
> said the US military has such units.
>
> The new part of his plan is that the Australian unit is entirely
> self-powered, and quite low cost.
>
> John
>

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