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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:teal'>Dear Crispin,<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:teal'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:teal'>So the CO2 > CO is endothermic. But still needs carbon. As I see it the only difference is the temperature changing as the gases move around the pot. Wondering if the reading could be affected by temperature? Perhaps amount of gas entering the instrument or something? Interesting. Could hydrogen react with one of the oxygen in CO2 making water leaving CO? <o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:teal'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:teal'>Frank<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:teal'><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";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Stoves [mailto:stoves-bounces@lists.bioenergylists.org] <b>On Behalf Of </b>Crispin Pemberton-Pigott<br><b>Sent:</b> Tuesday, September 17, 2013 2:01 PM<br><b>To:</b> 'Discussion of biomass cooking stoves'<br><b>Subject:</b> Re: [Stoves] Charcoal stove design<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>My conclusion is the CO splits endothermically. It does not happen in stoves with high EA.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Crispin<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA><o:p> </o:p></span></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:olive'>Dear Crispin,<o:p></o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:olive'><o:p> </o:p></span></b></p><p class=MsoNormal><b><span style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:olive'><snip><o:p></o:p></span></b></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I found that directly above the middle of a good stove (under the pot) there is zero CO – I was amazed. But nearer the edges there is more.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-CA style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:olive'><o:p> </o:p></span></p><p class=MsoNormal><b><i><span lang=EN-CA style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:olive'>[Frank >] How is that possible? I thought going from CO2 > CO could only occur be in a bed of char. This is very strange. <o:p></o:p></span></i></b></p><p class=MsoNormal><b><i><span lang=EN-CA style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:olive'><o:p> </o:p></span></i></b></p><p class=MsoNormal><b><i><span lang=EN-CA style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:olive'>Regards<o:p></o:p></span></i></b></p><p class=MsoNormal><b><i><span lang=EN-CA style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:olive'><o:p> </o:p></span></i></b></p><p class=MsoNormal><b><i><span lang=EN-CA style='font-size:14.0pt;font-family:"Calibri","sans-serif";color:olive'>Frank<o:p></o:p></span></i></b></p></div></body></html>