Getting Water From The Sea Economically
One of the great challenges for many African countries is simply getting enough water; with many places being so arid and having so little rainfall this has always been a problem and may continue to be so.The great irony of course is that many countries that have little water are surrounded by sea which contains water and lots of it.
Despite all the technological advances that there have been, it is notable that the extraction of fresh water from seawater in an economically viable way remains one of the few things that has not yet been achieved. If it could be done then the results could be massive.
Now a method that uses solar power to heat the water and trap it in a sort of greenhouse could potentially allow pure water vapour that condenses in it to be extracted at a commercially viable cost.
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