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Crispin and all,<br>
<br>
Your message is very useful about several important points:<br>
<br>
1. Important heating-stove and air quality work is being done in
Mongolia. Congratulations to all who are involved. Seems the
World Bank is the big backer. <br>
<br>
2. Information flow about these efforts is horrible. Our ONLY
source of info has been Crispin. THANKS!!!! Otherwise, this is
almost off of the radar for Stoves discussions openly on the
Internet. I searched for
<blockquote type="cite"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Ulaanbaatar
Clean Air Project (UB-CAP) <br>
</span></blockquote>
and saw some reports that were more about goals, etc. I did not do
a thorough search. Please somebody check fully and confirm or
correct me and guide us to the data. But if I am correct, this
lack of knowledge is a MAJOR deficiency in our networking. <br>
<br>
Very interesting that even Crispin (an adviser to the project, but
about emissions and evidently not about stove design /
manufacturing) does not have clear photos / tech drawings / and
other info about the stoves themselves.<br>
<br>
3. The fuel is wet lignite with over 50% volatiles.
FANTASTIC!!! TLUD stoves thrive on getting volatiles released from
solid fuel, and THEN do the clean burning a few centimeters
away!!!! <br>
<br>
4. The stoves are heavy (high mass which is good for
heating-stoves) with cast iron and ceramic (which is great for
withstanding the higher temperatures of burning some (maybe much or
all) of the final carbon (similar to coking coal once the volatiles
are gone) at relatively high temperatures for the "typical
sheet-metal TLUD stoves" for tropical climates.<br>
<br>
5. The GACC and the EPA programs about cookstoves do not (I
believe) include COAL-burning stoves. This needs to be
corrected. I certainly hope it is resolved well before the
November GACC Forum in Ghana. The success in Mongolia should be
well documented and well disseminated.<br>
<br>
Note: Fossil fuels increase the final CO2 in the atmosphere, but
that CO2 is "acceptable" in some circles, such as by those who
promote LPG, which is extremely clean burning (but is carbon
positive). Allowing for that, the issue of CLEAN fuel is about
other emissions (black carbon, methane, Particulate Matter PM, CO
etc.). Therefore, there are NO DIRTY FUELS, but only DIRTY STOVES
that cannot burn the fuels well. Kerosene (parafin) dripped into a
TLUD or Rocket or other stove will give a dirty fire. That is a
user error, not a stove error. Countless examples could be given
of inappropriate burning of fuels. But what is important is that
any one type of fuel can be cleanly burned in at least ONE design of
stove. <br>
<br>
Related: Even if we could have one of the Mongolian TLUD stoves
available for viewing and testing, most certainly the same fuel
(high volatile wet lignite) would be needed for any appropriate
testing of the stove. Different types of coal would probably not
burn as cleanly in that stove.<br>
<br>
6. We (the collective "we the Stovers") could certainly benefit
from further information from Mongolia. I suspect that a
Chinese-speaking American engineer-type person could greatly assist
with this. I am wondering how much the Mongolian advancement is
already being introduced into northern China. Or is there a "not
invented here" barrier to the spread of the progress?<br>
<br>
Paul<br>
<br>
<pre class="moz-signature" cols="72">Doc / Dr TLUD / Prof. Paul S. Anderson, PhD
Email: <a class="moz-txt-link-abbreviated" href="mailto:psanders@ilstu.edu">psanders@ilstu.edu</a>
Skype: paultlud Phone: +1-309-452-7072
Website: <a class="moz-txt-link-abbreviated" href="http://www.drtlud.com">www.drtlud.com</a></pre>
<div class="moz-cite-prefix">On 5/19/2015 12:22 AM, Crispin
Pemberton-Pigott wrote:<br>
</div>
<blockquote cite="mid:COL401-EAS908A9045EC7803FE4E56F9B1C30@phx.gbl"
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<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Dear
Paul<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Actually
I am not aware of the links to the stoves – I just don’t
deal with that side the equation. Um…how about looking on
line for Ulaanbaatar Clean Air Project (UB-CAP) and see if
they have something on their website. It is likely to be in
Mongolian which is written with a Russian script so it will
be hard to follow. <o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">Most
of the stove that pass are some form of TLUD gasifier. At
the moment only two people are making pretty good cross
draft stoves. One is a direct reproduction of the GTZ7 which
can be extremely clean. I recall it has negative PM
emissions as early as 12 minutes after ignition.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D;mso-fareast-language:EN-US">The
fuel is wet lignite. I would not describe it as ‘low
quality’ which I found out only means it has volatiles above
20% of dry mass. I would not describe it as ‘low’ quality
but it has >50% volatiles! I think it is the best coal I
have ever seen in the world. It is easy to light and can
burn extremely cleanly shortly after ignition if the
combustion environment is right. Obviously several companies
have it right. If the coal was made into pellets it would be
even cleaner burning. They are still burning lump coal ‘as
it arrives’. Big pieces are broken up of course.<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">The
promoted stoves run from I think $80 to $270. Most are cast
iron with ceramic interiors. They have to have a two year
guarantee.<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Regards<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Crispin<o:p></o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span
style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal">Crispin,<br>
<br>
Please direct us to info including photos about the Mongolian
stove for heating. I think you have previously stated that
it is burning low-grade coal, right? And it is some
variation of a gasifier, correct? And at what cost per
stove?<br>
<br>
Paul<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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