<html><head></head><body lang="EN-US" link="#0563C1" vlink="#954F72" data-blackberry-caret-color="#00a8df" style="background-color: rgb(255, 255, 255); line-height: initial;"><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Dear Frank</div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">I have seen hundreds of tests in which the hydrogen tracks the CO. They are both indicators of incomplete combustion. What is noticeably after a while is that the ratio between them has something to do with the ratio to begin with. H:CO is about 1:4 for coal, and 1:3 for biomass. This one is odd because it's obviously about 1:2. </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">I think the reason you don't hear about how much H2 there is in smoke is that no one measures it. </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">It is a chemical loss. </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br></div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Regards </div><div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">Crispin </div> <div style="width: 100%; font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);"><br style="display:initial"></div> <div style="font-size: initial; font-family: Calibri, 'Slate Pro', sans-serif; color: rgb(31, 73, 125); text-align: initial; background-color: rgb(255, 255, 255);">>>Q10>>></div> <table width="100%" style="background-color:white;border-spacing:0px;"> <tbody><tr><td colspan="2" style="font-size: initial; text-align: initial; background-color: rgb(255, 255, 255);"> <div id="_persistentHeader" style="border-style: solid none none; border-top-color: rgb(181, 196, 223); border-top-width: 1pt; padding: 3pt 0in 0in; font-family: Tahoma, 'BB Alpha Sans', 'Slate Pro'; font-size: 10pt;"> <div><b>From: </b>Frank Shields</div><div><b>Sent: </b>Friday, September 6, 2013 18:23</div><div><b>To: </b>'Discussion of biomass cooking stoves'</div><div><b>Reply To: </b>Discussion of biomass cooking stoves</div><div><b>Subject: </b>Re: [Stoves] Hydrogen from charcoal</div></div></td></tr></tbody></table><div style="border-style: solid none none; border-top-color: rgb(186, 188, 209); border-top-width: 1pt; font-size: initial; text-align: initial; background-color: rgb(255, 255, 255);"></div><br><div id="_originalContent" style=""><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"><meta name="Generator" content="Microsoft Word 14 (filtered medium)"><!--[if !mso]><style>v\:* {behavior:url(#default#VML);}
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</o:shapelayout></xml><![endif]--><div class="WordSection1"><p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D"><o:p> </o:p></span></b></p><p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D"><o:p> </o:p></span></b></p><p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D">Its amazingly constant the way it seems to dip and rise at the same time. Problem with the Hydrogen reading? Its follows CO closely with no real reason it should do so – as I understand it. It follows too close to be a real non-related reaction so it’s a related reaction or some interference response. The way I see it. <o:p></o:p></span></b></p><p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D"><o:p> </o:p></span></b></p><p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D"><o:p> </o:p></span></b></p><p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D"><o:p> </o:p></span></b></p><p class="MsoNormal"><b><span style="font-size:14.0pt;color:#1F497D"><o:p> </o:p></span></b></p><div><div style="border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in"><p class="MsoNormal"><b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Stoves [mailto:stoves-bounces@lists.bioenergylists.org] <b>On Behalf Of </b>Crispin Pemberton-Pigott<br><b>Sent:</b> Friday, September 06, 2013 12:31 PM<br><b>To:</b> 'Discussion of biomass cooking stoves'<br><b>Subject:</b> [Stoves] Hydrogen from charcoal<o:p></o:p></span></p></div></div><p class="MsoNormal"><o:p> </o:p></p><p class="MsoNormal"><span lang="EN-CA">Dear Friends<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p><p class="MsoNormal"><span lang="EN-CA">This is a plot of CO(EF) and H2(EF) for a charcoal stove.<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p><p class="MsoNormal"><span lang="EN-CA" style="mso-fareast-language:EN-CA"><img width="473" height="264" id="Picture_x0020_1" src="cid:image001.jpg@01CEAB14.CCB98910"></span><span lang="EN-CA"><o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-CA">What do you suppose is the source this hydrogen?<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p><p class="MsoNormal"><span lang="EN-CA">Note for interest that the ratio between H2 and CO is surprisingly constant throughout the test. It is not the ratio of the H and C in the fuel (at all).<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p><p class="MsoNormal"><span lang="EN-CA">Regards<br>Crispin<o:p></o:p></span></p><p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p><p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p><p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p><p class="MsoNormal"><span lang="EN-CA" style="font-size:8.0pt;font-family:"Garamond","serif";color:black;mso-fareast-language:EN-CA"><o:p> </o:p></span></p><p class="MsoNormal"><span lang="EN-CA"><o:p> </o:p></span></p></div><br><!--end of _originalContent --></div></body></html>