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Re: FW: Sequestration / nuclear option
I think you need take into account the effects of
pressure of CO2. For example, under a pressure of 3.5
X 10^3 bars (equivalent to 25 kilometers of water) CO2
will remain a solid to a temperature of 0 degrees
centigrade. See
http://www.chemicalogic.com/download/co2_phase_diagram.pdf
--- Roy Craft <rcraft@wcnet.net> wrote:
> Lets see... if CO2 boils (sublimates) at -78deg, and
> the solubility in water
> is 179 g per 100 ml , I think that Kia is on to
> something. Just my 2 bits
> worth.
> Roy C. Craft, CHP
> Consulting Health Physicist
> 1707 Pecan Street
> Bay City, TX 77414
> rcraft@wcnet.net
> (979 245 9991)
>
> ----- Original Message -----
> From: "Kai Kaletsch" <eic@shaw.ca>
> To: "John Andrews" <andrewsjp@chartertn.net>;
> <radsafe@list.vanderbilt.edu>
> Sent: Wednesday, December 10, 2003 11:30 PM
> Subject: Re: FW: Sequestration / nuclear option
>
>
> > John,
> >
> > If this was permanent, wouldn't there be a lake of
> CO2 at the bottom of
> the
> > ocean right now? It would have gotten there from
> undersea volcanic
> activity.
> >
> > My guess is that CO2 dissolves and diffuses to the
> surface.
> >
> > Kai
> >
> > From: "John Andrews" <andrewsjp@chartertn.net>
> >
> > > Seems to me the deep sea injection of the liquid
> CO2 would be simpler
> > > and just as permanent. Perhaps mechanically
> simpler, too. As I
> > > understand it, the CO2 is liquified, then
> injected at a depth where the
> > > pressure is sufficient to keep it in liquid
> form. It then sinks to the
> > > bottom because it is heavier than water. It is
> an interesting concept.
> > >
> > > John Andrews
> > > Knoxville, Tennessee
> > >
> > > Keith.Millington@csiro.au wrote:
> > >
> > > > Hi Ruth,
> > > >
> > > > The sequestration strategy being considered in
> Australia is basically
> > > > to pump liquid CO2 from power stations deep
> underground into depleted
> > > > oil and gas reservoirs.
> > > >
> http://www.apcrc.com.au/Programs/geodisc_back.htm.
> Apparently only
> > > > about half of the CO2 from fossil fuelled
> stations would be trapped,
> > > > the rest released to atmosphere as usual.
> > > >
> > > > This sounds to me like storing your waste
> forever - the same problem
> > > > faced by nuclear power, but increased several
> orders of magnitude in
> > > > waste volume !
> > > >
> > > > Keith
> > > >
> > > >
> > > >
> > >
> > >
> > >
> > >
>
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> >
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=====
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Gore Vidal
-- John
John Jacobus, MS
Certified Health Physicist
e-mail: crispy_bird@yahoo.com
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