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concentrated solar power enegery AND desalinization just_wondering 04-29-2008
Posted by just_wondering on April 29, 2008, 9:38 pm
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 Could concentrated solar power solve our energy needs and rescue us
from the impending water shortage crisis? Check out: "http://
en.wikipedia.org/wiki/Solar_energy#Desalination_and_disinfection"

Concentrated solar power heats water to steam, moving turbines to
create electricity. This could be done with sea water to desalinize
it.

More energy and more water for consumption and agriculture?

Posted by Morris Dovey on April 29, 2008, 10:25 pm
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 just_wondering wrote:

> Could concentrated solar power solve our energy needs and rescue us
> from the impending water shortage crisis? Check out:

<http://en.wikipedia.org/wiki/Solar_energy#Desalination_and_disinfection>

Note that the references are to large scale systems, such as might be
undertaken by government-size entities. As a practical matter, what kind
of timeline do you envision for widespread implementation of these systems?

> Concentrated solar power heats water to steam, moving turbines to
> create electricity. This could be done with sea water to desalinize
> it.

With a large enough installation, you can do nearly anything that might
be done with coal, gas, or nuclear power. I think you'll see as much
resistance to investment here as with the conventional options, but I'd
be glad to be shown wrong...

> More energy and more water for consumption and agriculture?

Yup, yup, yup. The questions are "when?" and "at what cost?" and "who's
going to make sure that the most appropriate solutions are
implemented?". Good luck on finding answers to any of these questions.

There's a tendancy to wait for someone else to produce the "magic
bullet" rather than involving oneself in producing smaller, more
managable local solutions - with the expected lack of results.

--
Morris Dovey
DeSoto Solar
DeSoto, Iowa USA
http://www.iedu.com/DeSoto/

Posted by jan siepelstad on April 30, 2008, 1:00 am
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> Could concentrated solar power solve our energy needs and rescue us
> from the impending water shortage crisis? Check out: "http://
> en.wikipedia.org/wiki/Solar_energy#Desalination_and_disinfection"
>
> Concentrated solar power heats water to steam, moving turbines to
> create electricity. This could be done with sea water to desalinize
> it.
>
> More energy and more water for consumption and agriculture?

Although, the site is partially in Dutch, you can find a lot of information
about CSP and desalinisation on: http://www.gezen.nl/wordpress/?page_id=211

regards,
Jan



Posted by Coffee's For Closers on April 30, 2008, 8:14 pm
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In article <a09d9ff5-ce82-4e59-b78a-
551e278d18b2@m3g2000hsc.googlegroups.com>, shanecandoit@gmail.com
says...
> Could concentrated solar power solve our energy needs and rescue us
> from the impending water shortage crisis? Check out: "http://
> en.wikipedia.org/wiki/Solar_energy#Desalination_and_disinfection"
>
> Concentrated solar power heats water to steam, moving turbines to
> create electricity. This could be done with sea water to desalinize
> it.
>
> More energy and more water for consumption and agriculture?


Salt water is very corrosive. Which would create problems for
the intake system on the steam turbine. Also, you would need a
way to get the left over salt out of the machinery.


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