Re: nuclear separation of hydrogen from water vs. electrolysis

From: charliew2 (charliew2_at_ev1.net)
Date: 06/15/04 

Date: Tue, 15 Jun 2004 13:00:03 -0500

Eunometic wrote:
> Dan Bloomquist <EXTRApublic20@lakeweb.com> wrote in message
> news:<40CD61B9.8080000@lakeweb.com>...
>> brianb wrote:
>>> Someone mentioned there is a process to split or "crack" hydrogen
>>> from water using heat, I guess, instead of a electrolysis. Which
>>> is more efficient?
>>
>> See iodine sulfur. By two times theromo. And if not, may be much
>> cheaper. ( six-eight bucks a watt (+-) just to get 55%
>> thermo-electric from coal.)
>>
>> Best, Dan.
>
> There is also a copper-chlorine thermochemical water spliting cycle
> expected to achieve 45% at the far more achievable temperature of
> 550C.
>
> Considering that HTGR achieve about 45% conversion to electricity from
> 825C this would represent a great advancement.

If low temperature is so desireable, perhaps we need to continue pursuing
genetic engineering. I've read that some species of genetically modified
under-water green plants (or was that bacteria?) can split water in the
presence of sunlight.

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