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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'>Art,<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'>That link seems to require a Microsoft account. Is there an alternative url?<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'>Thanks<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><a name="_MailEndCompose"><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></a></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"'> Digestion [mailto:digestion-bounces@lists.bioenergylists.org] <b>On Behalf Of </b>Art Krenzel<br><b>Sent:</b> Tuesday, October 08, 2013 12:28 PM<br><b>To:</b> david@h4c.org; For Discussion of Anaerobic Digestion<br><b>Subject:</b> Re: [Digestion] Biogas for milk cooling centres in Central Uganda<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-family:"Calibri","sans-serif"'>Stephen:<br> <br>Take a look at this company who produces a modern commercial sized thermal refrigerator system. This unit may be too large for your application but it is easier to downsize a design than upsize.<br> <br><a href="https://bay169.mail.live.com/default.aspx?n=77550718&fid=1&mid=069dc4c6-3049-11e3-a4d7-00237de46188&fv=1#n=14993950&fid=2&mid=dec4048c-3030-11e3-b579-00237de3f534&fv=1">https://bay169.mail.live.com/default.aspx?n=77550718&fid=1&mid=069dc4c6-3049-11e3-a4d7-00237de46188&fv=1#n=14993950&fid=2&mid=dec4048c-3030-11e3-b579-00237de3f534&fv=1</a><br> <br>The Sevel sized refrigerators are quite small for most commercial milk applications.<br><br>Art Krenzel, P.E.<br>PHOENIX TECHNOLOGIES<br>10505 NE 285th Street<br>Battle Ground, WA 98604<br><br><br><br> <o:p></o:p></span></p><div><div class=MsoNormal align=center style='text-align:center'><span style='font-family:"Calibri","sans-serif"'><hr size=3 width="100%" align=center id=stopSpelling></span></div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-family:"Calibri","sans-serif"'>Date: Tue, 8 Oct 2013 09:46:00 -0700<br>From: <a href="mailto:david@h4c.org">david@h4c.org</a><br>To: <a href="mailto:digestion@lists.bioenergylists.org">digestion@lists.bioenergylists.org</a><br>Subject: Re: [Digestion] Biogas for milk cooling centres in Central Uganda<br><br><br><br>Stephen,<br><br><o:p></o:p></span></p><div><p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'>On 10/8/2013 2:37 AM, Stephen Etheridge wrote:<o:p></o:p></span></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Why not use a gas fridge?</span><span style='font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div></blockquote><p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'><br>One's mileage may vary, but gas refrigerators (here in the US, such as the old Servels) have very poor efficiency (3%?), and generally speaking, where enough biogas is available, it makes better sense to make electricity, use the excess heat for the digester, and use electric-powered cooling.<br><br>I don't know if larger cooling systems would experience significantly better efficiency: indeed, I don't know that I have ever seen mention of a larger system, which may provide something of an inferential answer. (By the way, Einstein held a patent on a gas-powered refrigeration system.)<br><br><br><br>d.<o:p></o:p></span></p><div><p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'>-- <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:13.0pt;font-family:"Calibri","sans-serif"'>David William House</span><span style='font-family:"Calibri","sans-serif"'><o:p></o:p></span></p><div><p class=MsoNormal style='margin-bottom:12.0pt'><span style='font-size:9.5pt;font-family:"Calibri","sans-serif"'>"The Complete Biogas Handbook" </span><code><span style='font-size:10.0pt'><a href="http://www.completebiogas.com" target="_blank">www.completebiogas.com</a></span></code><span style='font-size:9.5pt;font-family:"Calibri","sans-serif"'><br><em><span style='font-family:"Calibri","sans-serif"'>Vahid Biogas</span></em>, an alternative energy consultancy </span><code><span style='font-size:10.0pt'><a href="http://www.vahidbiogas.com" target="_blank">www.vahidbiogas.com</a></span></code><span style='font-size:9.5pt;font-family:"Calibri","sans-serif"'><o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Courier New"'>"Make no search for water. But find thirst,<br>And water from the very ground will burst." <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:8.0pt;font-family:"Courier New"'>(Rumi, a Persian mystic poet, quoted in <em><span style='font-family:"Courier New"'>Delight of Hearts</span></em>, p. 77) <br><br><a href="http://bahai.us/" target="_blank">http://bahai.us/</a><o:p></o:p></span></p></div></div></div></div><p class=MsoNormal><span style='font-family:"Calibri","sans-serif"'><br>_______________________________________________ Digestion mailing list to Send a Message to the list, use the email address <a href="mailto:Digestion@bioenergylists.org">Digestion@bioenergylists.org</a> to UNSUBSCRIBE or Change your List Settings use the web page <a href="http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org">http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org</a> for more information about digestion, see Beginner's Guide to Biogas <a href="http://www.adelaide.edu.au/biogas/">http://www.adelaide.edu.au/biogas/</a> and the Biogas Wiki <a href="http://biogas.wikispaces.com/">http://biogas.wikispaces.com/</a><o:p></o:p></span></p></div></div></div></body></html>