Re: nuclear separation of hydrogen from water vs. electrolysis

From: Eunometic (eunometic_at_yahoo.com.au)
Date: 06/15/04 

Date: 14 Jun 2004 23:17:36 -0700

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.

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