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<DIV><FONT size=2 face=Arial>Dear Paul </FONT></DIV>
<DIV><FONT size=2 face=Arial>If you start making this unit please
advise.</FONT></DIV>
<DIV><FONT size=2 face=Arial>Thank you</FONT></DIV>
<DIV><FONT size=2 face=Arial></FONT> </DIV>
<DIV><FONT size=2 face=Arial>Michael N Trevor</FONT></DIV>
<DIV><FONT size=2 face=Arial>Majuro </FONT></DIV>
<DIV><FONT size=2 face=Arial>Marshall islands</FONT> </DIV>
<DIV><FONT size=2 face=Arial>.</FONT></DIV>
<DIV><FONT size=2 face=Arial>n</FONT></DIV>
<BLOCKQUOTE
style="BORDER-LEFT: #000000 2px solid; PADDING-LEFT: 5px; PADDING-RIGHT: 0px; MARGIN-LEFT: 5px; MARGIN-RIGHT: 0px"
dir=ltr>
<DIV style="FONT: 10pt arial">----- Original Message ----- </DIV>
<DIV
style="FONT: 10pt arial; BACKGROUND: #e4e4e4; font-color: black"><B>From:</B>
<A title=paul.olivier@esrla.com href="mailto:paul.olivier@esrla.com">Paul
Olivier</A> </DIV>
<DIV style="FONT: 10pt arial"><B>To:</B> <A
title=stoves@lists.bioenergylists.org
href="mailto:stoves@lists.bioenergylists.org">Discussion of biomass cooking
stoves</A> </DIV>
<DIV style="FONT: 10pt arial"><B>Sent:</B> Tuesday, June 11, 2013 6:54
PM</DIV>
<DIV style="FONT: 10pt arial"><B>Subject:</B> Re: [Stoves] wheat husk
pellets</DIV>
<DIV><BR></DIV>
<DIV dir=ltr>In my previous email I concluded by saying:<BR><I>What's needed
above all else, in my opinion, are small, beautiful TLUD's that make use of
pellets. Such units could be situated in modern kitchens throughout the world.
Once these units are in place, the rest will follow.</I><BR>
<DIV><BR>It seems that Home Depot, Wal-mart, Lowes, Ace, Agway and many others
large retailers in the USA all carry wood pellets. Why can we not make TLUDs
that make use of these pellets as fuel? The only thing that changes is the
height of the reactor: it's much less than the height of a reactor that uses
undensified biomass. This means that the TLUD is small, lightweight, mobile
and much cheaper.<BR><BR>Here is an example of what I am talking about:<BR><A
href="https://dl.dropboxusercontent.com/u/22013094/150%20Gasifier/Short/DrawingsUltra/001.pdf">https://dl.dropboxusercontent.com/u/22013094/150%20Gasifier/Short/DrawingsUltra/001.pdf</A><BR>The
total height of the reactor is less than 10 inches.<BR></DIV>
<DIV>This reactor holds about 2 kgs of pellets.<BR></DIV>
<DIV>This gives a burn time of about one and a half hours.<BR></DIV>
<DIV>The reactor itself in 304 stainless steel weighs less than 1.5
kgs.<BR></DIV>
<DIV><BR></DIV>
<DIV>We've already tested taller TLUDs on rice hull pellets,<BR></DIV>
<DIV> and they emit the same beautiful blue flame as when loose rice
hulls are used.<BR></DIV>
<DIV>Another big advantage of pellets is that there is much less particulate
matter emissions compared to loose rice hulls.<BR></DIV>
<DIV>Loose rice hulls are dusty, messy, bulky and a real nuisance to store and
load.<BR></DIV>
<DIV>In an urban setting it makes no sense to be hauling in loose rice hulls
of a bulk density of only 80 kg/m3.<BR></DIV>If we're going to compete with
fossil fuel gas, we've must reach a certain level of convenience and ease of
use.<BR>
<DIV>
<DIV><BR></DIV>
<DIV>Thanks.<BR></DIV>
<DIV>Paul<BR></DIV>
<DIV><BR></DIV></DIV></DIV>
<DIV class=gmail_extra><BR><BR>
<DIV class=gmail_quote>On Tue, Jun 11, 2013 at 6:11 AM, Paul Olivier <SPAN
dir=ltr><<A href="mailto:paul.olivier@esrla.com"
target=_blank>paul.olivier@esrla.com</A>></SPAN> wrote:<BR>
<BLOCKQUOTE
style="BORDER-LEFT: #ccc 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote>
<DIV dir=ltr>See comments below.<BR>
<DIV class=gmail_extra><BR><BR>
<DIV class=gmail_quote>
<DIV class=im>On Mon, Jun 10, 2013 at 7:01 PM, Crispin Pemberton-Pigott
<SPAN dir=ltr><<A href="mailto:crispinpigott@gmail.com"
target=_blank>crispinpigott@gmail.com</A>></SPAN> wrote:<BR>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote>Dear Paul O<BR><BR>The reason is
economics.<BR></BLOCKQUOTE>
<DIV><BR></DIV></DIV>
<DIV>In may cases transport distances are short, and the economics are quite
good, and yet we complacently continue to burn fossil fuels. I lived for
over 20 years in West Flanders in Belgium where wheat fields encroached upon
densely populated rural areas, and yet everyone merrily burned LPG gas to
cook a meal. Later I move to Waxahachie, Texas, a small town near Dallas,
and once again, wheat fields were everywhere. Yet no one dreamed of making
wheat husk or wheat straw pellets and using them to make syngas to cook a
meal.<BR></DIV>
<DIV class=im>
<DIV> </DIV>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote><BR>China is showing at the moment that the maximum
radius that is viable to transport pellets/briquettes is 150
km.<BR></BLOCKQUOTE>
<DIV><BR></DIV></DIV>
<DIV>China appears to be struggling with a lack of infrastructure in getting
pellets to market. How does one explain the economics of shipping coffee
husk pellets from Brazil to Holland as we see in this link? <A
href="http://www.coffeehabitat.com/2007/10/coffee-husks-as/"
target=_blank>http://www.coffeehabitat.com/2007/10/coffee-husks-as/</A> This
is a thoroughly bold undertaking, but does it make sense to transport coffee
husk pellets half way around the world to provide fuel for Dutch power
stations? Why not make use of these pellets in Brazil? Also, one might argue
that the highest and best use of coffee husk pellets would be, not to burn
them in huge power stations, but to generate from them a syngas that would
replace bottled gas or other forms of fossil fuel gas. The biochar left over
from these stoves would then be returned to the soil.<BR></DIV>
<DIV class=im>
<DIV> </DIV>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote><BR>$76 a ton is cheap by Canadian standards but far
higher than the price of coal per delivered MJ.<BR></BLOCKQUOTE>
<DIV><BR></DIV></DIV>
<DIV>Not always so. Vietnamese coal coming from the north costs more per
delivered MJ than rice hulls pellets. <BR></DIV>
<DIV>In Vietnam there is a huge multi-billion dollar infrastructure that
underlies the mining, preparation and transportation of coal.<BR></DIV>
<DIV>This infrastructure does not yet exist for waste biomass
pellets.<BR></DIV>
<DIV class=im>
<DIV><BR></DIV>
<DIV><BR></DIV>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote><BR>Agri-waste pellets are a nice fuel provided they
have been prepared properly.<BR></BLOCKQUOTE>
<DIV><BR></DIV></DIV>
<DIV>The same applies to coal and all other fossil fuels.<BR></DIV>
<DIV>Coal preparation is a gigantic and complex undertaking.<BR></DIV>
<DIV class=im>
<DIV><BR> </DIV>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote><BR>If the value of char is 'always there' it is quite
possible the economic equation will change with the introduction of
gasifiers, however the same energy production rate will increase the
demand for transport and raw husk supply.<BR></BLOCKQUOTE>
<DIV><BR></DIV></DIV>
<DIV>Yes, you are right. The introduction of pellet gasifiers in a given
area will create a demand for pellets, and the demand for pellets will
stimulate the construction of the infrastructure needed to meet this
demand.<BR><BR></DIV>
<DIV class=im>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote><BR>You know all this. How about giving us an equation
or spreadsheet that includes the whole value chain?<BR></BLOCKQUOTE>
<DIV> </DIV>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote><BR>Stovers could plug in their local costs and make a
comparison between options. In at least <I>some </I>circumstances the
gasification route would be the most viable.<BR></BLOCKQUOTE>
<DIV><BR></DIV></DIV>
<DIV>Instead of using the word "some". I would prefer to say
"many".<BR></DIV>
<DIV> </DIV>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote><BR>The UK buys wood pellets from Canada to burn in
power stations, but that is subsidized by pensions grannies and the
working poor.<BR></BLOCKQUOTE>
<DIV><BR></DIV>
<DIV>Once again, why haul pellets from Canada to the UK? Does the UK not
have an abundance of agricultural waste? And once again, should we not focus
more on producing syngas from pellets and directly using this syngas to cook
a meal? Burning pellets to make electricity is surely not the wisest way to
proceed, especially if this electricity is used as a source of energy to
cook a meal. Why not bypass the power station altogether?<BR><BR></DIV>
<DIV>What's needed above all else, in my opinion, are small, beautiful
TLUD's that make use of pellets. Such units could be situated in modern
kitchens throughout the world. Once these units are in place, the rest will
follow.<BR></DIV>
<DIV>
<DIV class=h5>
<DIV> </DIV>
<BLOCKQUOTE
style="BORDER-LEFT: rgb(204,204,204) 1px solid; MARGIN: 0px 0px 0px 0.8ex; PADDING-LEFT: 1ex"
class=gmail_quote><BR>Regards<BR>Crispin<BR>>From BB9900<BR>
<DIV><BR>-----Original Message-----<BR>From: Paul Olivier <<A
href="mailto:paul.olivier@esrla.com"
target=_blank>paul.olivier@esrla.com</A>><BR>Sender: "Stoves" <<A
href="mailto:stoves-bounces@lists.bioenergylists.org"
target=_blank>stoves-bounces@lists.bioenergylists.org</A>><BR>Date:
Mon, 10 Jun 2013 15:19:20<BR></DIV>
<DIV>To: Discussion of biomass cooking stoves<<A
href="mailto:stoves@lists.bioenergylists.org"
target=_blank>stoves@lists.bioenergylists.org</A>><BR>Reply-To:
Discussion of biomass cooking stoves<BR> <<A
href="mailto:stoves@lists.bioenergylists.org"
target=_blank>stoves@lists.bioenergylists.org</A>><BR>Subject: [Stoves]
wheat husk pellets<BR><BR></DIV>
<DIV>
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clear=all>
<DIV class=im><BR>-- <BR>Paul A. Olivier PhD<BR>26/5 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://www.esrla.com/"
target=_blank>http://www.esrla.com/</A>
</DIV></DIV></DIV></BLOCKQUOTE></DIV><BR><BR clear=all><BR>-- <BR>Paul A.
Olivier PhD<BR>26/5 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://www.esrla.com/"
target=_blank>http://www.esrla.com/</A> </DIV>
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