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(Asharq Al-Awsat)   Egypt beyond deNile, soaring water demand requires more desalination   ( divider line
    More: Obvious, Water, Nile, Fossil fuel, Hydroelectricity, sources of fresh water, private companies concessions, Red Sea, cubic meters  
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421 clicks; posted to STEM » on 22 Oct 2021 at 9:55 PM (6 weeks ago)   |   Favorite    |   share:  Share on Twitter share via Email Share on Facebook

6 Comments     (+0 »)
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2021-10-22 11:15:30 PM  
It's wise to drastically increase desalination there.
if they can get the water they need without fighting wars over the source of that water and what have you, I think that's ideal for everybody.
2021-10-22 11:28:04 PM  
Solar desalinization sounds ideal for anywhere with a lot of sun and very little water.
2021-10-23 1:16:54 AM  
With Ethiopia damming the Nile at their end, Egypt really has no real choice but to invest heavily in desalinization tech or go to war and lose badly.
2021-10-23 5:25:37 AM  
When did desalinization become desalination? Did I miss a meeting again?
2021-10-23 12:07:39 PM  

Sim Tree: Solar desalinization sounds ideal for anywhere with a lot of sun and very little water.

In theory, but the devil is still in the details. For example, all that salt has to go somewhere. If it's being dumped back into the body of water from which you are drawing, that could dramatically increase the salinity and cause other problems. The Red and Med are both pretty big, but you could still have localized problems. As with something like a sewage treatment plant, you wouldn't want to put your desalination operation near a fishing area or a coral reef. So if it's done right it can be a good thing, but a lot of bad things have happened because good ideas were poorly implemented and/or not thought all the way through.

And investment in new sources still needs to be accompanied by investment in efficiency gains. A dollar spent on water efficiency or recycling could result in more usable water than a dollar spent on desalination. So up until the breakeven point you should probably prioritize on efficiency and/or recycling, or at least make advances on that front while you're spinning up your supply capacity.
2021-10-23 7:19:26 PM  
"Water, water everywhere, but not a drop to drink!"

Can't rely on the weather to provide the water anymore, especially in the desert!  The U.S. should be doing the same to fill Lake Meade and more.
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