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Oliver,<br>
<br>
My apologies for not earlier answering your message to me. I was
traveling...<br>
<br>
</font><br>
On 3/14/2011 7:28 AM, Oliver Kynaston wrote:
<blockquote cite="mid:BLU103-DS18B926283C5D73CBB4ADE89FCC0@phx.gbl"
type="cite">
<div class="Section1">I am working in Tanzania and am in the
middle of conducting
some research into biogas appliances. I’m trying to get a list
together of
the types of appliances (stoves, lamps, rice cookers, heaters
etc) which are being
used by biogas programs around the world to find out which would
be most
suitable for the biogas market here.<br>
</div>
</blockquote>
<br>
I know of only a few tests of appliances that have been done (see
for example <a
href="http://www.google.com/url?sa=t&source=web&cd=1&ved=0CCoQFjAA&url=http%3A%2F%2Fwww.snvworld.org%2Fen%2FDocuments%2FEfficiency_measurement_of_biogas_kerosene_and_LPG_stoves_Nepal_2001.pdf&rct=j&q=Efficiency%20Measurement%20of%20Biogas%2C%20Kerosene%20and%20LPG%20Stoves&ei=8xKFTeraMofQsAOayoT1AQ&usg=AFQjCNESBJ21QFSy8jgJyossj3YZxXLbig&cad=rja">this
paper</a>), and in any case the question you have is difficult to
answer (or perhaps only as I see it) in the form posed, because the
criteria by which one determines suitability are not specified.
Easily manufactured? Long-lasting? Efficient in its use of fuel?
Cheap?<br>
<br>
Briefly, I suggest looking at an <a
href="http://www.eawag.ch/forschung/sandec/publikationen/swm/dl/anaerobic_digestion_canteen_waste.pdf">EWAG
paper</a> on page 53 for some appliances that are (apparently)
available from Tanzania.<br>
<br>
Finally, at least with regard to stoves, clearly the primary
appliance in most instances as regards biogas, and particularly if
you are considering manufacture, I suggest contacting my friend <a
href="crispinpigott@gmail.com">Crispin Pemberton-Piggott
(crispinpigott@gmail.com)</a>, who is a recognized expert in stove
design.<br>
<br>
<br>
d.<br>
<div class="moz-signature">-- <br>
<div style="" ;=""><span style="font-size: 110%;">David William
House<br>
</span>
<div style="padding-left: 3em; font-size: 80%;">"The Complete
Biogas Handbook" <code><a href="www.completebiogas.com">www.completebiogas.com</a></code><br>
<em>Vahid Biogas</em>, an alternative energy consultancy <code><a
href="www.vahidbiogas.com">www.vahidbiogas.com</a><br>
<br>
</code></div>
<div style="padding-left: 2em;">"Make no search for water.
But find thirst,<br>
And water from the very ground will burst."
<div style="padding-left: 2em; font-size: 80%;">(Rumi, a
Persian mystic poet, quoted in <em>Delight of Hearts</em>,
p. 77) <br>
<br>
<a class="moz-txt-link-freetext" href="http://bahai.us/">http://bahai.us/</a></div>
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