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Posted by bintaro on October 22, 2007 at 5:09:00 pm EDT
In reply to Water purification in extreme conditions posted by Bill S on October 19, 2007 at 11:58:04 am EDT

An idea for inventors: a portable "still" to distill "pure" water vapor from bush sources, which might include a 1-5 gallon input reservoir, a vaporization chamber, a cooling/concentration coil and a 1-10 gallon fresh water storage reservoir. The only thing missing are efficient heating and cooling sources. Perhaps auto (or boat) engine or exhaust for heat and an auto or portable air conditioner (or other refrigeration unit) for cooling. Fresh water could be distilled while on the "road," enroute to camp or while siteseeing. With a little time, I am sure even a jury-rigged (gerry-rigged?) device could be fabricated before someone fine-tunes the idea. Of course, filters and clean-outs will still be necessary--the residue has to go somewhere. I don't think I'd want to pack it on my back, but I could envision having the Land-Rover do most of the heavy work.

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