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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-GB link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Why not use a gas fridge?<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'>Regards<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'>Stephen Etheridge<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><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> Digestion [mailto:digestion-bounces@lists.bioenergylists.org] <b>On Behalf Of </b>Vianney tumwesige<br><b>Sent:</b> Tuesday, October 08, 2013 3:07 PM<br><b>To:</b> 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><span style='font-family:"Arial Rounded MT Bold","sans-serif"'>Hi Samatha,<br><br>Green Heat (U) Ltd and Q-Enegy (U) Ltd are Ugandan companies focusing on biogas. Green Heat and Q-energy can help you.<br><br><a href="mailto:info@greenheatinternational.com">info@greenheatinternational.com</a> and <a href="mailto:arjan.coenradie@gmail.com">arjan.coenradie@gmail.com</a> are the contacts respectively<br><br></span><o:p></o:p></p><pre>Vianney Tumwesige<o:p></o:p></pre><pre>PhD student <o:p></o:p></pre><pre>University of Aberdeen<o:p></o:p></pre><pre>School of Biological Sciences<o:p></o:p></pre><pre>Aberdeen office:<o:p></o:p></pre><pre>23 St. Machar Drive,<o:p></o:p></pre><pre>Aberdeen,<o:p></o:p></pre><pre>Tel: +44 1224 273 810<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Green Heat (U) Ltd <o:p></o:p></pre><pre>P.O. Box 10235<o:p></o:p></pre><pre>Kampala-Uganda<o:p></o:p></pre><pre>256 (0) 71 237 9889<o:p></o:p></pre><pre><a href="http://www.greenheatinternational.com">www.greenheatinternational.com</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre>"The more people are self sufficient in cooking fuel, the more personal and financial freedom they have." - Emma Casson<o:p></o:p></pre><p class=MsoNormal>On 10/8/2013 10:00 AM, Samantha Carter wrote:<o:p></o:p></p></div><blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Hi all, <o:p></o:p></span></p><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I am looking at the feasibility of replacing diesel generators with biogas generators to power milk cooling centres in dairy co-operatives in Central Uganda. The site that I am looking at for a pilot currently has a 26kW diesel generator that powers 2 refrigerators and some auxiliary equipment (lights, a computer etc) for 6 hours per day.<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>I have some questions that I hope you can help me with:<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>1. What would be an appropriate engine for generating from biogas at this power? I am considering a dual fuel compression engine (for the advantage of being able to rely on diesel if the biogas is down for whatever reason) but not sure if this is the best idea? Does anyone know of any companies that would provide appropriate engines for this application?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>2. What are appropriate BMP, Total Solids and Volatile Solids numbers to use for sizing the digester (currently assuming 380m3/tonnesVS, 25%TS and 85%VS but want to check this is correct. The feedstock is 100% dairy cow manure from zero-grazing cows in rural Central Uganda.)<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>3. Does anyone know of any reputable companies operating in the East Africa area who have experience of biogas at this scale?<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'><o:p> </o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Thanks in advance for any help that you can give,<o:p></o:p></span></p></div><div><p class=MsoNormal><span style='font-size:10.0pt;font-family:"Arial","sans-serif"'>Samantha<o:p></o:p></span></p></div><p class=MsoNormal><br><br><br><o:p></o:p></p><pre>_______________________________________________<o:p></o:p></pre><pre>Digestion mailing list<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>to Send a Message to the list, use the email address<o:p></o:p></pre><pre><a href="mailto:Digestion@bioenergylists.org">Digestion@bioenergylists.org</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre>to UNSUBSCRIBE or Change your List Settings use the web page<o:p></o:p></pre><pre><a href="http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org">http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org</a><o:p></o:p></pre><pre><o:p> </o:p></pre><pre>for more information about digestion, see<o:p></o:p></pre><pre>Beginner's Guide to Biogas<o:p></o:p></pre><pre><a href="http://www.adelaide.edu.au/biogas/">http://www.adelaide.edu.au/biogas/</a><o:p></o:p></pre><pre>and the Biogas Wiki <a href="http://biogas.wikispaces.com/">http://biogas.wikispaces.com/</a><o:p></o:p></pre><pre><o:p> </o:p></pre></blockquote><p class=MsoNormal><o:p> </o:p></p></div></body></html>