<div dir="ltr"><div><div><div><div>Dear Tom Reed,<br><br></div>my experience is that it doesn't burn as hot, but yes much much longer. Theory I figured is that surface to volume wise there isn't as much available energy, but I like your point about volatiles.<br><br></div>These observations from my woodstove technology which isn't a straight gasifier as such. Fuel was either a locally available bituminous coal or split radiata pine softwood for the firewood. <br><br></div>Kind Regards<br><br></div>Jason Stewrat<br><a href="http://www.intensifire.co.nz/">http://www.intensifire.co.nz/</a><br></div><div class="gmail_extra"><br><div class="gmail_quote">On Sun, May 24, 2015 at 6:17 AM, Tom Reed <span dir="ltr"><<a href="mailto:tombreed2010@gmail.com" target="_blank">tombreed2010@gmail.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="auto"><div>Dear Thomas Koch and ALL:</div><div><br></div><div>Thomas asks a very interesting question. Best answer would be for someone (me?) to get a batch of coal and try it. </div><div><br></div><div>First, I would expect that it m i g h t burn up the gasifier. Coal burns so much hotter than wood. But I hope the stainless steel can stand it.</div><div><br></div><div>Secondly it would burn twice as long due to the high density of the coal and the high volatile content which could keep it from burning up.</div><div><br></div><div>I hope someone will try it and give a report. I'm on the road, but will try it when I get home if no one else does...</div><div><br></div><div>TOM REED<br><br>Thomas B Reed<span> </span><div><span>280 Hardwick Rd</span></div><div><span>Barre, MA 01005</span></div><div><span><a href="tel:508%20353%207841" value="+15083537841" target="_blank">508 353 7841</a></span></div></div><div><br>On May 22, 2015, at 11:51 AM, Thomas Koch <<a href="mailto:tk@tke.dk" target="_blank">tk@tke.dk</a>> wrote:<br><br></div><blockquote type="cite"><div>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d">Hi Saiteja
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<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" lang="EN-US">That depends very much on which principle of gasifier you are using.<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">If you use an entrained flow gasifier the only real difference is the pretreatment equipment.<u></u><u></u></span></p>
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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">Best regards<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US">Thomas Koch<u></u><u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1f497d" lang="EN-US"><u></u> <u></u></span></p>
<p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">Fra:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Gasification [<a href="mailto:gasification-bounces@lists.bioenergylists.org" target="_blank">mailto:gasification-bounces@lists.bioenergylists.org</a>]
<b>På vegne af </b>Saiteja Chinta<br>
<b>Sendt:</b> 22. maj 2015 20:28<br>
<b>Til:</b> <a href="mailto:Gasification@bioenergylists.org" target="_blank">Gasification@bioenergylists.org</a><br>
<b>Emne:</b> [Gasification] Difference between Coal and biomass gasification<u></u><u></u></span></p>
<p class="MsoNormal"><u></u> <u></u></p>
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<p>Hi,<u></u><u></u></p>
<p>I want to know what would be major design variations while designing for gasifiers which are coal fed from that of biomass.<u></u><u></u></p>
<p>Thanks<u></u><u></u></p>
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</div>
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