<div dir="ltr">Dear Paul,<div>it seems that the web page is being reorganized. I have asked Priya to send the relevant video or its link to you. </div><div>The NGO who are converting the coconut husk into char briquettes operates on a hill, which belongs to the Department of Forests. All the hills around Pune City had been denuded of their forest cover. This particular NGO calling itself "Green Hills" is attempting to plant trees on these hills. The trees which they have planted, shed their leaves in the post-monsoon season. Unsocial elements set the leaf litter on fire, which also damages the trees. Therefore, we demonstrated our charring process to the trustees of this NGO who started using our kiln to convert the dry leaves into charcoal. An elected member of the city council came to know about it and persuaded the management of this NGO to make charcoal from coconut husk. They agreed to do so. The coconut shells are delivered to them together with the husk. The shells are split open into two halves with the help of a machete. The halved shells are spread out on the hill side for drying and after drying, they are subjected to pyrolysis in our kiln. The pyrolysis gas is burned to produce a clean, smokeless flame, and when the kiln stops emitting flames, the operator removes the charcoal formed in the kiln and dowses it with water. The wet char is then passed on to teams operating the briquetting machines. The briquettes are again dried under the sun for four days, before packing and selling them. This charcoal has about 20% ash and it is as good as foundry grade coke.</div><div>The work described above has currently come to a stand still because of a quarrel among the labourers. One of them was killed and the others have stopped reporting for work. </div><div>Yours</div><div>A.D.Karve <br></div></div><div class="gmail_extra"><br clear="all"><div><div class="gmail_signature" data-smartmail="gmail_signature">***<br>Dr. A.D. Karve<br><br>Chairman, Samuchit Enviro Tech Pvt Ltd (<a href="http://www.samuchit.com" target="_blank">www.samuchit.com</a>)<br><br>Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)<br></div></div>
<br><div class="gmail_quote">On Tue, Dec 6, 2016 at 7:34 PM, Paul Anderson <span dir="ltr"><<a href="mailto:psanders@ilstu.edu" target="_blank">psanders@ilstu.edu</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000">
A.D.,<br>
<br>
Thanks for pointing that out. I remember your kiln approach but
had forgotten about its use with conconut husks.<br>
<br>
I went to your website and entered the U-Tube button, but I did not
find the specific one you mention. Please send a specific link.<br>
<br>
Also, please send more details about the actual operations for the
drying and charring of the fresh husks. <br><span class="">
<br>
Paul<br>
<pre class="m_-6447634401863496193moz-signature" cols="72">Doc / Dr TLUD / Prof. Paul S. Anderson, PhD
Email: <a class="m_-6447634401863496193moz-txt-link-abbreviated" href="mailto:psanders@ilstu.edu" target="_blank">psanders@ilstu.edu</a>
Skype: paultlud Phone: +1-309-452-7072
Website: <a class="m_-6447634401863496193moz-txt-link-abbreviated" href="http://www.drtlud.com" target="_blank">www.drtlud.com</a></pre>
</span><div><div class="h5"><div class="m_-6447634401863496193moz-cite-prefix">On 12/6/2016 1:53 AM, Anand Karve
wrote:<br>
</div>
<blockquote type="cite">
<div dir="ltr">Dear Paul,
<div>I think that I had already reported that we had developed a
kiln (based on the same principle as our Sampada Stove, which
is basically TLUD) for making charcoal from agricultural
waste. See our web site <a href="http://www.samuchit.com" target="_blank">www.samuchit.com</a>. It has
a button for U-Tube, which would activate videos of various
technologies developed by us, including the charring kiln. The
city, where I live, generates daily about 30 tons (fresh
weight) of coconut husk. An NGO gets this husk delivered to
them free of transport cost. They dry the husk, and using our
kilns and briquette extruders, this organisation makes char
briquettes, which are used as smokeless cooking fuel. </div>
<div>Yours</div>
<div>A.D.Karve </div>
</div>
<div class="gmail_extra"><br clear="all">
<div>
<div class="m_-6447634401863496193gmail_signature" data-smartmail="gmail_signature">***<br>
Dr. A.D. Karve<br>
<br>
Chairman, Samuchit Enviro Tech Pvt Ltd (<a href="http://www.samuchit.com" target="_blank">www.samuchit.com</a>)<br>
<br>
Trustee & Founder President, Appropriate Rural
Technology Institute (ARTI)<br>
</div>
</div>
<br>
<div class="gmail_quote">On Mon, Dec 5, 2016 at 8:30 PM, Paul
Anderson <span dir="ltr"><<a href="mailto:psanders@ilstu.edu" target="_blank">psanders@ilstu.edu</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div bgcolor="#FFFFFF" text="#000000"> Dear Mangolazi,
(and especially all Stovers who live in areas where
coconuts grow.)<br>
Also sending to the Biochar Listserv because of biochar
production discussion.<br>
<br>
Great to hear of your experiences with coconut husks!!<br>
<br>
Many of us (including myself) have tried to use coconut
husks as fuel in TLUDs (or other stove types). I believe
that you have just reported more success than anyone else,
but perhaps others can correct me about that.<br>
<br>
What you describe is "typical". But you have allowed the
husks to smoulder more, giving smoke that does not burn,
or burns poorly. AND you report that after allowing that
to happen, that you have "some good biochar" (which I hope
can be analyzed someday to confirm your judgement.). <br>
<br>
AND you report some minor use of the heat.<br>
<br>
Can we assume that your two photos are taken during the
early stage while there are still fronds or perhaps even
diesel fuel being burned? I would like to know more about
your smokiness.<br>
<br>
You have the advantage of living in an area that produces
coconuts and the husks are plentiful. Please continue
your efforts. They are very important, considering the
quantities of husks around the world and the need for
biochar in the tropics.<br>
<br>
Please consider doing some experiments and reporting back
about your results.<br>
<br>
1. You wrote:
<blockquote type="cite">
<pre>but it gets smoky once the only the husks are burning. </pre>
</blockquote>
Please try with a mixture of fronds in with the husks all
the way through the barrel of fuel. Do this with known
(approximate) percentages of fronds (by weight or simply
by volume). Is 20% fronds functional? Maybe 40%
fronds? And confirm that 100% or 80% fronds will pyrolyze
cleanly (with combustible smoke). I do not know of anyone
who has done this.<br>
<blockquote type="cite">
<pre>Most of the fuel consists of semi-dry brown-green husks</pre>
</blockquote>
Here you can repeat experiments with husks with various
degrees of dryness. If with reasonable success with
"mostly dried" or "highly dried" or with some amount of
"semi-dry brown-green husks", then that is further
progress. YOU get to make up whatever classification
system seems to describe "dryness." You can even "oven
dry" some husks. <br>
<br>
Also, when you have determined something useful about
dryness, we can discuss having a "dryer" device that will
use the heat from the TLUD barrels to do the drying of the
future batches of husks.<br>
<br>
Objectives: <br>
A. Produce biochar<br>
B. Elimimate (remove or dispose of) piles of discarded
husks.<br>
C. Elimimate (stop) the rotting and off-gassing of
methane and CO2 from the discarded husks.<br>
D. Everntually claim carbon credits for the A and C
above.<br>
E. Ultimately find a way to have useful heat while doing
A through D above.<br>
<br>
I am almost finished (need another week?) with a document
about making conveniently simple barrel-size TLUDs in a
style that I personally like. I will send it to you
(Mangolazi) as a separate message. Soon it will be on my
website and announced to the Listservs.<br>
<br>
We all look forward to more info about your work. Also
please tell us about yourself, location, employment,
goals, family, etc.<br>
<br>
Paul<br>
<br>
<pre class="m_-6447634401863496193m_-253874525526826946moz-signature" cols="72">Doc / Dr TLUD / Prof. Paul S. Anderson, PhD
Email: <a class="m_-6447634401863496193m_-253874525526826946moz-txt-link-abbreviated" href="mailto:psanders@ilstu.edu" target="_blank">psanders@ilstu.edu</a>
Skype: paultlud Phone: +1-309-452-7072
Website: <a class="m_-6447634401863496193m_-253874525526826946moz-txt-link-abbreviated" href="http://www.drtlud.com" target="_blank">www.drtlud.com</a></pre>
<div class="m_-6447634401863496193m_-253874525526826946moz-cite-prefix">On
12/4/2016 10:23 PM, Mangolazi wrote:<br>
</div>
<blockquote type="cite">
<pre>Hi stovers,
I've been making some big TLUDs to turn farm waste into biochar as well as using the heat for cooking. I'm using oil drums with a chimney made from stacked paint cans; the fuel consists of dried coconut husks (not copra or coconut shells) and chopped coconut fronds. I pack the fuel into the drum as tightly as possible and light it off with diesel-soaked coconut fronds on top.
Has anyone used these items as TLUD fuel for cooking or heating? I find the mixture burns cleanly at first, thanks to the quick and furious burn from the diesel and fronds, but it gets smoky once the only the husks are burning. Most of the fuel consists of semi-dry brown-green husks because it takes a long time for husks to dry down to a uniform dark brown color. I can get some good biochar after a 1.5-hour burn.
My cooking attempts are limited to putting a small pot on the TLUD lid for simmering. It would also be possible to wrap copper tubing around the oil drum as a heat exchanger to heat water. In coastal Malaysia, coconut husks are usually left to very slowly break down into compost; it would be interesting to use it to replace LPG for simmering and as a heat source for small village enterprises.</pre>
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