<div dir="ltr"><div class="gmail_default" style="font-size:small">Great information, Crispin. How do most poor families in Tibet burn dung?</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jan 6, 2023 at 12:44 PM Kevin McLean <<a href="mailto:kevin@sun24.org">kevin@sun24.org</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-size:small">Tom,</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">I'll check with SNV. Was this testing done in India?</div><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">It's extremely interesting that 90% of the nutrients in dung are water soluble. From what you and Richard say, it seems very possible that we can:<br></div><blockquote style="margin:0px 0px 0px 40px;border:none;padding:0px"><div class="gmail_default" style="font-size:small">1. Remove most of the nutrients from dung by soaking.</div><div class="gmail_default" style="font-size:small">2. After soaking, pour the solution through biochar to both filter the water and charge the biochar.</div><div class="gmail_default" style="font-size:small">3. Reuse the water after filtering.</div><div class="gmail_default" style="font-size:small">4. Make dung patties that burn hotter and cleaner.</div></blockquote><div class="gmail_default" style="font-size:small"><br></div><div class="gmail_default" style="font-size:small">I just asked a colleague in Malawi to test this. He has irrigation so he can immediately start testing biochar that will be charged this way.</div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Fri, Jan 6, 2023 at 11:00 AM <<a href="mailto:tmiles@trmiles.com" target="_blank">tmiles@trmiles.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><div><div lang="EN-US"><div><p class="MsoNormal">SNV put a lot of effort into the development of dung stoves for high altitudes several years ago.<u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Leaching nutrients and minerals from dung prior to drying and burning makes a lot of sense. The principle has been used at the farm and industrial scale. Key nutrients are about 90% water soluble. The challenge is often finding enough water. <u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><p class="MsoNormal">Tom <u></u><u></u></p><p class="MsoNormal"><u></u> <u></u></p><div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0in 0in"><p class="MsoNormal"><b>From:</b> Stoves <<a href="mailto:stoves-bounces@lists.bioenergylists.org" target="_blank">stoves-bounces@lists.bioenergylists.org</a>> <b>On Behalf Of </b>K McLean<br><b>Sent:</b> Friday, January 6, 2023 6:05 AM<br><b>To:</b> Discussion of biomass cooking stoves <<a href="mailto:stoves@lists.bioenergylists.org" target="_blank">stoves@lists.bioenergylists.org</a>><br><b>Subject:</b> Re: [Stoves] ***SPAM*** Dung Rocket Stove - Failed Test<u></u><u></u></p></div><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">Richard, <u></u><u></u></p><div><p class="MsoNormal"><u></u> <u></u></p></div><div><p class="MsoNormal">Can you please explain further? I don't understand. Do you have photos or videos?<u></u><u></u></p></div></div><p class="MsoNormal"><u></u> <u></u></p><div><div><p class="MsoNormal">On Fri, Jan 6, 2023, 9:00 AM Richard Stanley <<a href="mailto:rstanley@mind.net" target="_blank">rstanley@mind.net</a>> wrote:<u></u><u></u></p></div><blockquote style="border-top:none;border-right:none;border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0in 0in 0in 6pt;margin:5pt 0in 5pt 4.8pt"><div><p class="MsoNormal">Not true paul or only partially true! In rural kenya our partners francis and mary kavita showed hor one sieves out the aromatics and dissolved solids by sloshing the patties of dung in water— then has a good liquid feetiliser as well as a spongy lignin which makes a great fuel whether briquetted or not. Same<u></u><u></u></p><div><p class="MsoNormal"> I discovered that the same process applies to peat in Ireland. <u></u><u></u></p></div><div><p class="MsoNormal">Its good by stink and smoke; hello to clean burn and liquid fertiliser.<u></u><u></u></p></div><div><p class="MsoNormal">Richard Stanley<u></u><u></u></p></div><div><p class="MsoNormal"><a href="http://www.legacyfound.org" target="_blank">www.legacyfound.org</a><u></u><u></u></p></div><div><p class="MsoNormal"><u></u> <u></u></p><div><p class="MsoNormal">Sent from my iPhone<u></u><u></u></p></div><div><p class="MsoNormal" style="margin-bottom:12pt"><br>On Jan 6, 2023, at 4:28 AM, <a href="mailto:peetersfrans@telenet.be" target="_blank">peetersfrans@telenet.be</a> wrote:<u></u><u></u></p></div><div><p class="MsoNormal"><u></u><u></u></p><div><p class="MsoNormal">Dear KEVIN<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">I think we discsed 30 y ago about frensh frees …..but Canada was to cold for patatos down 1,5 $ !<u></u><u></u></p><p class="MsoNormal">I remember you wash salt out of dunge and looked for analytics for the ash danger .<u></u><u></u></p><p class="MsoNormal">As for dung cooking/baking ,it is done in Anatolia TURKEY. No trees ,to see. villages of mud and corn looks haver, no mais .<u></u><u></u></p><p class="MsoNormal">The fireplace is chimney fumehood integrated about 3 meter high and always a pasat wind avaiable . <u></u><u></u></p><p class="MsoNormal">To replace it you need a suction stove , fan , jet or and partial wood/dung using in the 3th world only…<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal">Regards<u></u><u></u></p><p class="MsoNormal">F.<u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><p class="MsoNormal"> <u></u><u></u></p><div><div style="border-right:none;border-bottom:none;border-left:none;border-top:1pt solid rgb(225,225,225);padding:3pt 0in 0in"><p class="MsoNormal"><b><span lang="NL">Van:</span></b><span lang="NL"> Stoves <<a href="mailto:stoves-bounces@lists.bioenergylists.org" target="_blank">stoves-bounces@lists.bioenergylists.org</a>> <b>Namens </b>Ronal Larson<br><b>Verzonden:</b> vrijdag 6 januari 2023 5:54<br><b>Aan:</b> Kevin McLean <<a href="mailto:kevin@sun24.org" target="_blank">kevin@sun24.org</a>>; Paul Olivier <<a href="mailto:paul.olivier@esrla.com" target="_blank">paul.olivier@esrla.com</a>>; <a href="mailto:stoves@lists.bioenergylists.org" target="_blank">stoves@lists.bioenergylists.org</a><br><b>Onderwerp:</b> Re: [Stoves] ***SPAM*** Dung Rocket Stove - Failed Test</span><u></u><u></u></p></div></div><p class="MsoNormal"> <u></u><u></u></p><div><p class="MsoNormal">Kevin, Paul and stoves list<u></u><u></u></p><div><p class="MsoNormal"> <u></u><u></u></p></div><div><p class="MsoNormal"> 1. What is the reason for this test of a rocket - instead of a TLUD or other char-making design?<u></u><u></u></p></div><div><p class="MsoNormal"> <u></u><u></u></p></div><div><p class="MsoNormal"> 2. I agree with Paul, but I can conceive of cost, time spent, and CDR advantages of charring dung, at lest with certain family situations. But I can’t see those advantages with combusting dung.<u></u><u></u></p></div><div><p class="MsoNormal"> <u></u><u></u></p></div><div><p class="MsoNormal">Ron<u></u><u></u></p><div><p class="MsoNormal" style="margin-bottom:12pt"><u></u> <u></u></p><blockquote style="margin-top:5pt;margin-bottom:5pt"><div><p class="MsoNormal">On Jan 5, 2023, at 9:57 AM, Paul Olivier <<a href="mailto:paul.olivier@esrla.com" target="_blank">paul.olivier@esrla.com</a>> wrote:<u></u><u></u></p></div><p class="MsoNormal"> <u></u><u></u></p><div><div><div><p class="MsoNormal"><span style="font-size:18pt;font-family:Georgia,serif">Dung is not a good fuel.</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:18pt;font-family:Georgia,serif">It is much better to ferment it and use it as a feed.</span><u></u><u></u></p></div></div><p class="MsoNormal"> <u></u><u></u></p><div><div><p class="MsoNormal">On Thu, Jan 5, 2023 at 10:12 PM Kevin McLean <<a href="mailto:kevin@sun24.org" target="_blank">kevin@sun24.org</a>> wrote:<u></u><u></u></p></div><blockquote style="border-top:none;border-right:none;border-bottom:none;border-left:1pt solid rgb(204,204,204);padding:0in 0in 0in 6pt;margin:5pt 0in 5pt 4.8pt"><div><div><div><p class="MsoNormal"><span style="font-size:12pt">List,</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"> </span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt">Today we tested a dung rocket stove. I'm a little surprised that the test was a failure. Can anyone suggest changes? And can anyone in India help us with our testing of dung as fuel?</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"> </span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt">This is very similar to a sawdust cookstove. We made cylinders of dung with vertical holes in the center and let them dry for a month. We did not mix anything into the dung. We used 5 liter paint cans to form the cylinders.</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"> </span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"><Dung rocket stove - wet.jpeg></span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"><Dung cylinder - Failed test.jpeg></span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"> </span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt">We tested with and without a metal can over the dung cylinder. We raised the cylinder and lit a wood fire under it. The fire was never strong and there was a lot of smoke. Here is a <a href="https://drive.google.com/file/d/1xCrABfFFOVlvtGn925VW8FT9lXl660Zk/view?usp=share_link" target="_blank">video</a> of the test with a metal can over the dung cylinder.</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"> </span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt">We seem to be having early success with upright dung sticks in a metal band and top lighting piles of dung patties. But these need to be tested by people more familiar with using dung as fuel.</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"> </span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"><Dung sticks in a metal band.jpeg></span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"><TDB of pile of dung patties.jpeg></span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"> </span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt">We could use some help from someone in an area where dung is used for cooking. None of my colleagues live in such an area.</span><u></u><u></u></p></div><div><p class="MsoNormal"><span style="font-size:12pt"> </span><u></u><u></u></p></div></div><div><div><div><div><p class="MsoNormal">Thanks, <u></u><u></u></p></div><div><p class="MsoNormal">Kevin<u></u><u></u></p></div><div><p class="MsoNormal"> <u></u><u></u></p></div><p class="MsoNormal">Kevin McLean, President<u></u><u></u></p><div><p class="MsoNormal"><a href="http://Sun24.org" target="_blank">Sun24.org</a><u></u><u></u></p></div></div></div></div></div><p class="MsoNormal" style="margin-bottom:12pt">_______________________________________________<br>Stoves mailing list<br><br>to Send a Message to the list, use the email address<br><a href="mailto:stoves@lists.bioenergylists.org" target="_blank">stoves@lists.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/stoves_lists.bioenergylists.org" target="_blank">http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org</a><br><br>for more Biomass Cooking Stoves, News and Information see our web site:<br><a href="http://stoves.bioenergylists.org/" target="_blank">http://stoves.bioenergylists.org/</a><u></u><u></u></p></blockquote></div><p class="MsoNormal"><br clear="all"><br>-- <u></u><u></u></p><div><div><div><div><div><div><div><div><div><div><p class="MsoNormal"><span style="font-family:Georgia,serif">Paul A. Olivier PhD<br>104/43 Phu Dong Thien Vuong<br>Dalat<br>Vietnam<br><br>Louisiana telephone: 1-337-447-4124 (rings Vietnam)<br>Mobile: 090-694-1573 (in Vietnam)<br>Skype address: Xpolivier<br><a href="http://epwt.vn/en/home/" target="_blank">http://epwt.vn/en/home/</a></span><u></u><u></u></p></div></div></div></div></div></div></div></div></div></div><p class="MsoNormal" style="margin-bottom:12pt">_______________________________________________<br>Stoves mailing list<br><br>to Send a Message to the list, use the email address<br><a href="mailto:stoves@lists.bioenergylists.org" target="_blank">stoves@lists.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/stoves_lists.bioenergylists.org" target="_blank">http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org</a><br><br>for more Biomass Cooking Stoves, News and Information see our web site:<br><a href="http://stoves.bioenergylists.org/" target="_blank">http://stoves.bioenergylists.org/</a><u></u><u></u></p></div></blockquote></div><p class="MsoNormal"> <u></u><u></u></p></div></div></div><p class="MsoNormal" style="margin-bottom:12pt">_______________________________________________<br>Stoves mailing list<br><br>to Send a Message to the list, use the email address<br><a href="mailto:stoves@lists.bioenergylists.org" target="_blank">stoves@lists.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/stoves_lists.bioenergylists.org" target="_blank">http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org</a><br><br>for more Biomass Cooking Stoves, News and Information see our web site:<br><a href="http://stoves.bioenergylists.org/" target="_blank">http://stoves.bioenergylists.org/</a><u></u><u></u></p></div></div></div><p class="MsoNormal" style="margin-bottom:12pt">_______________________________________________<br>Stoves mailing list<br><br>to Send a Message to the list, use the email address<br><a href="mailto:stoves@lists.bioenergylists.org" target="_blank">stoves@lists.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/stoves_lists.bioenergylists.org" target="_blank">http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org</a><br><br>for more Biomass Cooking Stoves, News and Information see our web site:<br><a href="http://stoves.bioenergylists.org/" target="_blank">http://stoves.bioenergylists.org/</a><u></u><u></u></p></blockquote></div></div></div>_______________________________________________<br>
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