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Gasification Archive for June 2002
87 messages, last added Tue Nov 26 17:18:20 2002

[Date Index][Thread Index]

Re: GAS-L: NOx and gasifiers



   Well, maybe I am confused. I got the idea somewhere that a lot of NOx was
being created in the gasifier, just as it is in an IC engine, simply because the
major component of air is nitrogen, not that it's a component of the fuel. 


On Tue, Jun 25, 2002 at 06:05:55AM -0600, Tom Reed wrote:
> Dear Harmon:
> 
> Sounds like you may be confused...
> 
> First, there is very little "high temperature NOx"  -  probably less than 1
> ppm - in wood gas because the flame temperature is lower than that of
> hydrocarbons.
> 
> Second, there is very little "prompt" NOx because wood contains very little
> nitrogen - probably less than 10 ppm.  Other biomass, however, can be worse
> offenders...
> 
> Third, conversion of the NOx to N2 and O2 will yield VERY little power at
> this level.
> 
> Any other opinions out there?
> 
> Cheers,  Tom Reed        BEF GASWORKS
> ----- Original Message -----
> From: "Harmon Seaver" <hseaver@cybershamanix.com>
> To: <gasification@crest.org>
> Sent: Monday, June 24, 2002 5:15 PM
> Subject: GAS-L: NOx and gasifiers
> 
> 
> >    Has anyone ever tried cleaning the NOx out of the woodgas prior to
> feeding it
> > to an engine by, say, running it thru a catalytic convertor? Or any other
> > method? Seems like that would greatly enhance the power of the woodgas,
> and,
> > since cars do it that way for the exhaust, why not for a gasifier?
> >
> >
> >  --
> > Harmon Seaver
> > CyberShamanix
> > http://www.cybershamanix.com
> >
> > -
> > Gasification List Archives:
> > http://www.crest.org/discussion/gasification/200202/
> >
> > Gasification List Moderator:
> > Tom Reed, Biomass Energy Foundation,  Reedtb2@cs.com
> > www.webpan.com/BEF
> > List-Post: <mailto:gasification@crest.org>
> > List-Help: <mailto:gasification-help@crest.org>
> > List-Unsubscribe: <mailto:gasification-unsubscribe@crest.org>
> > List-Subscribe: <mailto:gasification-subscribe@crest.org>
> >
> > Sponsor the Gasification List: http://www.crest.org/discuss3.html
> > -
> > Other Gasification 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
> >
> >
> 

-- 
Harmon Seaver	
CyberShamanix
http://www.cybershamanix.com

-
Gasification List Archives:
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Gasification List Moderator:
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www.webpan.com/BEF
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Sponsor the Gasification List: http://www.crest.org/discuss3.html
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Other Gasification 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