 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
 |
| |
REPP-CREST
1612 K Street, NW
Suite 202
Washington, DC 20006
contact us
|
|
 |
|
 |
|
 |
| Bioenergy Archive for September 2002 |
 |
| 54 messages, last added Tue Nov 26 17:13:57 2002 |
[Date Index][Thread Index]
Re: CO2 Sequestering; Was: Re: Convent fuel for remote locations - C3
Dear Fred
FMurrl@aol.com wrote:
...del..>
> > What would you think of CO2 Sequestering being
> > defined
> > as follows:
> > "CO2 sequestering is the process of removing CO2
> > from
> > the biosphere."
> >
>
> Kevin:
>
> As usual, I think you are right -- burying the carbon
> would be sequestration. However, whether one uses a
> process "sequestering" (here, burying carbon) or
> "control" (using the biomass based carbon as "closed
> loop carbon"), it's better than what we are doing
> now.
This is where it gets interesting..... if you:
1: start with fossil sourced carbon, and use it to
make biomass,
rather than:
2: starting with CO2 already in the biosphere to make
biomass,
there is still a net addition of biomass to the
environment.
Is there any way to make Process #2 economic? If so,
then the consumption of fossil fuel can be reduced or
eliminated.
>
> The commercial side of me hates the idea of burying
> biomass carbon, when it is an excellent source of
> gasifier feed. But I see your point.
It would indeed be painful. However, once Carbon from
fossis fuels is seequestered, then inherently it must
be "put away" without re-use as a fuel, or in a way
where it remains a part of the biosphere.
The clue is to find a technique to "put away" the
products of fossil carbon combustion, where something
useful results. In the case of Naturalas, for example,
the CO2 resulting from NG combustion could be pmpedback
into the "far side" of the field" from which it came
originally, displacing more natural gas. When there was
"breakthrough" of CO2 at teh NG well, then it would be
blocked. However, since the "CO2 Delivery
infrastructure" was then in place, more CO2 could be
pumped into the NG well space, and when it was at
excessive pressure, the CO2 well could be capped.
While this is a costly way to sequester CO2, at least
it does some "offsetting good". Is there any less
costly way to get the products of fossil carbon
combustion out of the biosphere?
>
Kindest regards,
Kevin Chisholm
-
Bioenergy List Archives:
http://www.crest.org/discussion/bioenergy/200207/
Bioenergy List Moderator:
Tom Miles, tmiles@trmiles.com
List-Post: <mailto:bioenergy@crest.org>
List-Help: <mailto:bioenergy-help@crest.org>
List-Unsubscribe: <mailto:bioenergy-unsubscribe@crest.org>
List-Subscribe: <mailto:bioenergy-subscribe@crest.org>
Sponsor the Bioenergy List: http://www.crest.org/discuss3.html
-
Other Bioenergy Events and Information:
http://www.bioenergy2002.org
http://www.crest.org/articles/static/1/1010424940_7.html Bioenergy
http://www.crest.org/articles/static/1/1011975339_7.html Gasification
http://www.crest.org/articles/static/1/1011975672_7.html Carbon
 |
 |
|