20050704

Some links I've found about freshwater production.

Apparently, the Canary Islands get most of the fresh water from the sea, so there's some technology that's being used already. Thing is: can solaroof improve on that?

Lucas, Thank you for providing this. The electrodialysis they are using may be a energy efficient solution for water purification.

As a technology for building a "city water works" scale desalination plant, Solaroof is probably not clearly superior. As a useful by product of a greenhouse growing salt tolerant plants, it may be a cost effective componenet of an intergrated system. As a means of purifying water that has contamination that is not as severe as seawater, Sola Roof is even more likely to be cost effective as part of an integrated system. - Bobby

Lucas,

I found the seawater greenhouse engineering company's website: http://www.seawatergreenhouse.com/index.htm - they give more info and show some later projects. - Bobby

Hi Lucas, we do get a better result with the Sola Roof method than with this SWG as it is implemented now. I have talked with Charlie, the owner/developer of the system, and he agrees that the approach they are using is not able to sustain a "closed atmosphere" system and therefore cannot produce optimum biomass or grow food crops at maximum yield. I have a number of issues with the approach that they have taken. Still it is encouraging and perhaps you can find out how the government would feel about a more advanced project. It is about ten years since that project was implemented and they might be ready for another step - Sola Roof Guy

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