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James,<br>
<br>
I suggest that your consider pelletizing the coffee husks. Results
of a search: (sorry for the format of the display.) <br>
<br>
And use pellets in the forced-air TLUDs like the FAABulous stove
from South Africa. You get the pellets and the stoves will do the
rest. <br>
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<div class="_oDd" data-hveid="46"><span
class="_Tgc">Guidance for <b>Coffee
Husk Pellets</b> Processing.
<b>Coffee husk</b> is a
residual product from <b>coffee</b>
cultivation. It is widely used
for extracting caffeine and
tannin, composting. Besides
these, it is also a suitable
material for <b>pellet</b>
making machine to replace coal
and fossil fuel.</span></div>
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<div class="g">
<div data-hveid="48"
data-ved="0ahUKEwi02vrzyJfYAhXBWSYKHVU6CNgQFQgwKAAwAg">
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<h3 class="r"><a
href="http://www.biopelletmachine.com/biopellets-making-guidance/coffee-husk-pelletizing-guidance.html">Guidance
for Coffee Husk Pellets
Processing</a></h3>
<div class="s">
<div>
<div class="f kv _SWb"
style="white-space:nowrap"><cite
class="_Rm"><a class="moz-txt-link-abbreviated" href="http://www.biopelletmachine.com/biopellets-making.../coffee-husk-pelletizing-guidance.html">www.biopelletmachine.com/biopellets-making.../coffee-husk-pelletizing-guidance.html</a></cite></div>
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data-ved="0ahUKEwi02vrzyJfYAhXBWSYKHVU6CNgQFQg4KAAwAw">
<div class="rc">
<h3 class="r"><a
href="http://www.wood-pellet-mill.com/Solution/coffee-husk-pellets-Vietnam.html">Making
Coffee Husk Pellets in Vietnam -
Wood Pellet Mill</a></h3>
<div class="s">
<div>
<div class="f kv _SWb"
style="white-space:nowrap"><cite
class="_Rm"><a class="moz-txt-link-abbreviated" href="http://www.wood-pellet-mill.com/Solution/coffee-husk-pellets-Vietnam.html">www.wood-pellet-mill.com/Solution/coffee-husk-pellets-Vietnam.html</a></cite></div>
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data-ved="0ahUKEwi02vrzyJfYAhXBWSYKHVU6CNgQFQg4KAAwAw">
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<div><span class="st" data-hveid="62"
data-ved="0ahUKEwi02vrzyJfYAhXBWSYKHVU6CNgQ4EUIPjAD">a.
<em>Coffee Husk</em> is a fibrous sub-product obtained
during the processing of raw <em>coffee</em> beans.
It is rich in organic nature: 50%cellulose,
38%hemicelluloses, pectin and lignin, which makes it
an ideal raw material for the production of
value-added <em>pellets</em>.</span></div>
</div>
</div>
</div>
</div>
<div class="g">
<div data-hveid="63"
data-ved="0ahUKEwi02vrzyJfYAhXBWSYKHVU6CNgQFQg_KAEwBA">
<div class="rc">
<h3 class="r"><a
href="http://www.biopelletmachine.com/biopellets-making-guidance/coffee-husk-pelletizing-guidance.html">Guidance
for Coffee Husk Pellets Processing</a></h3>
<div class="s">
<div>
<div class="f kv _SWb" style="white-space:nowrap"><cite
class="_Rm"><a class="moz-txt-link-abbreviated" href="http://www.biopelletmachine.com/biopellets-making.../coffee-husk-pelletizing-guidance.ht">www.biopelletmachine.com/biopellets-making.../coffee-husk-pelletizing-guidance.ht</a>...</cite></div>
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data-ved="0ahUKEwi02vrzyJfYAhXBWSYKHVU6CNgQFQg_KAEwBA">
<div class="rc">
<div class="s">
<div><span class="st" data-hveid="69"
data-ved="0ahUKEwi02vrzyJfYAhXBWSYKHVU6CNgQ4EUIRTAE">Guidance
for <em>Coffee Husk Pellets</em> Processing. <em>Coffee
husk</em> is a residual product from <em>coffee</em>
cultivation. It is widely used for extracting caffeine
and tannin, composting. Besides these, it is also a
suitable material for <em>pellet</em> making machine
to replace coal and fossil fuel.</span></div>
</div>
</div>
</div>
</div>
<div class="g">
<div data-hveid="70"
data-ved="0ahUKEwi02vrzyJfYAhXBWSYKHVU6CNgQtgIIRigCMAU">
<div class="rc">
<h3 class="r"><a
href="https://www.youtube.com/watch?v=VFg5b2bzcmA">coffee
husk and 10% sawdust pellets making process - YouTube</a></h3>
<div class="s">
<div>
<div class="th _lyb _YQd"
style="height:65px;width:116px"><a
href="https://www.youtube.com/watch?v=VFg5b2bzcmA"
data-ved="0ahUKEwi02vrzyJfYAhXBWSYKHVU6CNgQuAIISDAF"><img
id="vidthumb6"
src="cid:part10.77AE7AF9.C5A6A60F@ilstu.edu"
class="_WCg" style="top:-11px" alt="Video for
coffee husk pellets" height="87" width="116"><span
class="vdur _dwc">▶ 0:20</span></a></div>
</div>
<div style="margin-left:125px">
<div class="f kv _SWb" style="white-space:nowrap"><cite
class="_Rm"><a class="moz-txt-link-freetext" href="https://www.youtube.com/watch?v=VFg5b2bzcmA">https://www.youtube.com/watch?v=VFg5b2bzcmA</a></cite></div>
<div class="slp f">Apr 18, 2017 - Uploaded by ANYANG
BEST</div>
<span class="st">Lately, one of our customer in
Switzerland inquired 300kg/h <em>coffee husk pellet</em>
mill from us. Before place an ...</span></div>
</div>
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<div class="g">
<div data-hveid="73"
data-ved="0ahUKEwi02vrzyJfYAhXBWSYKHVU6CNgQFQhJKAMwBg">
<div class="rc">
<h3 class="r"><a
href="http://www.bestpelletplant.com/news/coffee-husk-pellet-extruder.html">How
to Make Premium Fuel Pellets from Coffee Husks?</a></h3>
<div class="s">
<div>
<div class="f kv _SWb" style="white-space:nowrap"><cite
class="_Rm"><a class="moz-txt-link-abbreviated" href="http://www.bestpelletplant.com/news/coffee-husk-pellet-extruder.html">www.bestpelletplant.com/news/coffee-husk-pellet-extruder.html</a></cite></div>
</div>
</div>
</div>
</div>
</div>
<span class="st">This is a test run of small scale <em>coffee
husk pellet</em> extruder. Raw material is dry coffee husk
mixed with hard parts of the shell, parchment and small dusty
pieces.</span></blockquote>
Paul<br>
<br>
<pre class="moz-signature" cols="72">Doc / Dr TLUD / Prof. Paul S. Anderson, PhD
Email: <a class="moz-txt-link-abbreviated" href="mailto:psanders@ilstu.edu">psanders@ilstu.edu</a>
Skype: paultlud Phone: +1-309-452-7072
Website: <a class="moz-txt-link-abbreviated" href="http://www.drtlud.com">www.drtlud.com</a></pre>
<div class="moz-cite-prefix">On 12/17/2017 3:33 PM, Andrew Heggie
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAPSaZebrpN987mZpO_nx9YNDuRW-PjsDjdbeAaSZWYicCK187g@mail.gmail.com">
<pre wrap="">On 17 December 2017 at 20:59, James Robinson <a class="moz-txt-link-rfc2396E" href="mailto:jamesrobinson77@gmail.com"><jamesrobinson77@gmail.com></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="">Dear List,
Greetings from a rainy and power outage ridden Malawi. I’m after a quick
overview of using coffee waste to make briquettes if anyone has the
knowledge please. I’m just finishing up some work in Timor-Leste and there’s
a lot of coffee waste which could be put to good use. So what is a typical
mix of briquette feedstock if coffee husks are involved (approx. 7cm dia.
extruded) and what are the limitations of using this material? (The waste
stream is heavily seasonal and market dynamics lean towards an urban
briquette market. There is very little charcoal used)
</pre>
</blockquote>
<pre wrap="">
James
The Legacy Foundation
ww.legacyfound.org
Sell a series of manuals for making their medium density holey
briquettes. Richard Stanley previously contributed a lot on [stoves]
about this but we have not heard from him recently.
The gist of the technique is that something "tachy" is initially
needed to hold the briquette together and in the mould before it is
dried when the compression allows hydrogen bonding to take over. The
process has similarities to paper making.
The tackiness Richard mentioned is from allowing some biomass to
slightly rot (similar to retting in the preparation of linen fibres
from flax).
The briquettes are then air dried.
Andrew
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</blockquote>
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