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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Tom,<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'>With good gasification and particulate filtration fouling should not be an issue. The condensate should have light tars and salts. The benefits should be corrosion resistance and heat transfer. <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'>I don’t know if graphite filters are affordable. The units used in domestic boilers are probably compact with tight gas passages which would reduce the cost but would not be suitable for producer gas. <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'>Tom<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><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"'> LINVENT@aol.com [mailto:LINVENT@aol.com] <br><b>Sent:</b> Sunday, July 15, 2012 8:11 PM<br><b>To:</b> tmiles@trmiles.com; gasification@lists.bioenergylists.org<br><b>Subject:</b> Re: [Gasification] Graphite Heat Exchangers for Producer Gas?<o:p></o:p></span></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Geneva","serif";color:black'>Dear Tom,<br> Graphite is also used for separation of gaseous uranium isotopes because of it's chemical resistance, diffusion system, Oak Ridge etc.. It will still foul. <br>Tom Taylor<br>In a message dated 7/15/12 8:10:32 PM, <a href="mailto:tmiles@trmiles.com">tmiles@trmiles.com</a> writes:<br><br><br><br><o:p></o:p></span></p><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:10.0pt;font-family:"Geneva","serif";color:black'><br><br>Graphite heat exchangers are now used on domestic condensing hot water boilers. (See SGL Group.) Heat transfer is reportedly 8 times that of stainless steel. Why not use them for cooling and condensing producer gas?<br> <br>Tom<br><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">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">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/">http://gasifiers.bioenergylists.org/</a><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Geneva","serif";color:black'><br><br><br></span><span style='font-family:"Arial","sans-serif"'><o:p></o:p></span></p></div></body></html>