<div dir="ltr">Gasification:<div><br></div><div>Surprisingly, it is possibly for wood to be TOO DRY for some applications. </div><div><br></div><div>In a box (Franklin) stove, wood normally burns at a constant rate, consuming the incoming air in the first wood encountered. </div>
<div><br></div><div>However, if it is bone dry, the whole log heats up and pyrolyses in the first few minutes of operation. </div><div><br></div><div>10% moisture is sufficient to ensure that the log/logs burn in the cigarette mode, starting at the end closest to air entry, and proceeding along the log in an orderly fashion. </div>
<div><br></div><div>I can imagine that in the TLUD stove, particularly with pellets, too dry a fuel could cause the reaction zone to advance along the easiest thermal path, resulting in an unstable flame front.</div><div>
<br></div><div>It seems counterintuitive to think wood can be TOO DRY, but this is at least one case....</div><div><br></div><div>COMMENTS?</div><div> </div><div>TOM REED (on his new CHROME laptop)...</div></div><div class="gmail_extra">
<br><br><div class="gmail_quote">On Wed, Apr 2, 2014 at 11:34 AM, Jeff Coleman <span dir="ltr"><<a href="mailto:jeff.coleman@iccgroup.ca" target="_blank">jeff.coleman@iccgroup.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div lang="EN-CA" link="blue" vlink="purple"><div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hi all (first reply),<u></u><u></u></span></p><p class="MsoNormal">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">GFWHELL - If you were referring to the Ultimate Analysis table, you’ll need to shift all of the numbers in the right columns down one row. <u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">There must have been a mistake when converting the file to pdf.<u></u><u></u></span></p><p class="MsoNormal">
<span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Also, the Proximate and Ultimate analysis are of the fuel, not the process gas. This is why Nitrogen levels are not high – they aren’t affected by the gasification air at this stage.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hope this helps – interesting none the less!<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><div><p class="MsoNormal"><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#23673d">Thanks,</span><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:blue"><u></u><u></u></span></p>
<p class="MsoNormal"><b><span lang="EN-GB" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#23673d">Jeff<u></u><u></u></span></b></p><p class="MsoNormal"><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:blue"><u></u> <u></u></span></p>
</div><p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d"><u></u> <u></u></span></p><div><div style="border:none;border-top:solid #b5c4df 1.0pt;padding:3.0pt 0cm 0cm 0cm">
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Gasification [mailto:<a href="mailto:gasification-bounces@lists.bioenergylists.org" target="_blank">gasification-bounces@lists.bioenergylists.org</a>] <b>On Behalf Of </b><a href="mailto:GFWHELL@aol.com" target="_blank">GFWHELL@aol.com</a><br>
<b>Sent:</b> April-01-14 5:08 PM<br><b>To:</b> <a href="mailto:gasification@lists.bioenergylists.org" target="_blank">gasification@lists.bioenergylists.org</a><br><b>Subject:</b> Re: [Gasification] Effect of Moisture Content on Gasification Efficiency in D...<u></u><u></u></span></p>
</div></div><div><div class="h5"><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">This system seems to be using "atmospheric air' for Pyrolysis, The gas produced seems to contain a remarkably low content of nitrogen and a very high sulphur content. is this a "typo"<u></u><u></u></span></p>
</div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">GFWHELL.<u></u><u></u></span></p>
</div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> <u></u><u></u></span></p>
</div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> <u></u><u></u></span></p>
</div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> <u></u><u></u></span></p></div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""> <u></u><u></u></span></p>
</div><div><div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif"">In a message dated 4/1/2014 10:49:44 A.M. Eastern Daylight Time, <a href="mailto:tmiles@trmiles.com" target="_blank">tmiles@trmiles.com</a> writes:<u></u><u></u></span></p>
</div><blockquote style="border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt;margin-left:3.75pt;margin-top:5.0pt;margin-bottom:5.0pt"><div><p class="MsoNormal"><span style>Effect of Moisture Content on Gasification Efficiency in Down Draft Gasifier<u></u><u></u></span></p>
<p class="MsoNormal"><span style><u></u> <u></u></span></p><p class="MsoNormal"><span style>Hitesh Kumar, Dr Prashant Baredar, Dr Pankaj Agrawal, Dr S.C.Soni[<i><u></u><u></u></i></span></p><p class="MsoNormal"><i><span style><u></u> <u></u></span></i></p>
<p class="MsoNormal"><i><span style>Abstract :- Biomass gasification is used to generate producer gas for the sustainable development. Now a days down draft<u></u><u></u></span></i></p><p class="MsoNormal"><i><span style>gasifier is most widely used due to its characteristics like non production of tar production. Presently in India, few biomass<u></u><u></u></span></i></p>
<p class="MsoNormal"><i><span style>based power plants are in use because of lack of knowledge and promotional policies of Government. Proper knowledge is<u></u><u></u></span></i></p><p class="MsoNormal"><i><span style>essential for the smooth operation of biomass based power plant in full capacity. The main objective of the present study is<u></u><u></u></span></i></p>
<p class="MsoNormal"><i><span style>to focus on the effect of moisture content on the gasification efficiency out of several influencing parameters of gasification<u></u><u></u></span></i></p><p class="MsoNormal"><i><span style>technology.<u></u><u></u></span></i></p>
<p class="MsoNormal"><i><span style><u></u> <u></u></span></i></p><p class="MsoNormal"><span style>International Journal of Scientific Engineering and Technology (ISSN : 2277-1581) Volume No.3 Issue No.4, pp : 411-413 1 April 2104<u></u><u></u></span></p>
<p class="MsoNormal"><b><i><span style="font-size:10.0pt"><u></u> <u></u></span></i></b></p><p class="MsoNormal"><span style><a href="http://ijset.com/ijset/publication/v3s4/IJSET_2014_423.pdf" title="http://ijset.com/ijset/publication/v3s4/IJSET_2014_423.pdf" target="_blank">http://ijset.com/ijset/publication/v3s4/IJSET_2014_423.pdf</a><u></u><u></u></span></p>
<p class="MsoNormal"><span style><u></u> <u></u></span></p></div><p class="MsoNormal"><span style="font-size:10.0pt;font-family:"Arial","sans-serif""><br><br>_______________________________________________<br>
Gasification mailing list<br><br>to Send a Message to the list, use the email address<br><a href="mailto:Gasification@bioenergylists.org" target="_blank">Gasification@bioenergylists.org</a><br><br>to UNSUBSCRIBE or Change your List Settings use the web page<br>
<a href="http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org" target="_blank">http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org</a><br><br>for more Gasifiers, News and Information see our web site:<br>
<a href="http://gasifiers.bioenergylists.org/" target="_blank">http://gasifiers.bioenergylists.org/</a><u></u><u></u></span></p></blockquote></div></div></div></div></div><br>_______________________________________________<br>
Gasification mailing list<br>
<br>
to Send a Message to the list, use the email address<br>
<a href="mailto:Gasification@bioenergylists.org">Gasification@bioenergylists.org</a><br>
<br>
to UNSUBSCRIBE or Change your List Settings use the web page<br>
<a href="http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org" target="_blank">http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org</a><br>
<br>
for more Gasifiers, News and Information see our web site:<br>
<a href="http://gasifiers.bioenergylists.org/" target="_blank">http://gasifiers.bioenergylists.org/</a><br>
<br></blockquote></div><br><br clear="all"><div><br></div>-- <br>NOTE: PLEASE CHANGE MY ADDRESS TO <a href="mailto:TOMBREED2010@GMAIL.COM">TOMBREED2010@GMAIL.COM</a><br><br>Dr. Thomas B. Reed<br>The Biomass Energy Foundation<br>
BEF, BEC, BER<br>
</div>