"I love that you've brought this to attention. An extensive database of uncommon but resistant and hardy plants/foods could be developed and organized by climate. Ease of growth and processing should also be taken in to account. I will try to…"
A crash course in changing the world.
can you turn sea water into drinking water?
the world's largest desalination project turning sea water into fresh drinking water for less than sixty cents a litre
Views: 270
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Comment by MichalHuller on March 22, 2010 at 5:09pm
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It's funny, because when I saw the title I thought that we need this in Israel...
This station is only a pilot, as far as I know, but there are more to come,
and we really need it here.
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Comment by Chris Frueh on March 22, 2010 at 5:18pm
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How much did this thing cost and will it ever be economically viable to invest in one as a corporation or NGO?
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Comment by Rahul Dewanjee on March 23, 2010 at 1:21am
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Chris: water is serious business and would require substantial investment I reckon. I think if you are looking forward to install a plant of the size mentioned in the video, you are looking at an investment quite big. But whatever I know from my experiences, Israel is perhaps the best place to look for water technology and membrane filtration technology. I guess a for profit organization is best if you are looking at venture capital funds while a non-profit orientation is good if you have government to collaborate with you or at least make government to allocate funds received from multi-lateral agencies like World Bank or IMF.
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Michal: I would really appreciate if you could please keep me updated with on ground realities of the economics of water as you understand it from living in Israel. Thanks:)
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I personally wasn't looking to build one, of course :P, but the cost of desalination needs to be weighed against the costs of fresh water on a location-by-location basis. If this plant is cheap enough for areas who wouldn't have enough fresh water, then who cares if it's too expensive elsewhere?
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Comment by Jessica Gomes on March 24, 2010 at 4:18am
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this is just so amazing!! great if it can be done sustainably! where will the salt go?
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Sustainability isn't the issue. You could dump the salt just about anywhere in the ocean and it'd be fine. The problem is the initial cost of the machinery and the continuing cost of operations. However, as I alluded to earlier, if the need for water is desperate enough then the costs are irrelevant. Personally, I think that a desalination plant should be built into a sewage treatment plant. Most of the bacteria would, in theory, have a hard time surviving in salt water so the addition of the seawater would aid the treatment. Then you could follow generic water purification protocols and get fresh water on the other side.
You could also build a desalination system into nuclear reactors by using the reactor core cooling system as a distillation mechanism.
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I would personally take this opportunity once again to thank everyone for sharing your constructive criticisms and ideas to respond how this video can assist you to develop your knowledge on this topic of turning salt water to fresh water.
I would also encourage visitors to build their own context to support something on a much personal level and I guess you could visit this link if inspiration is what you need to build your own context around th....
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