[Stoves] "stove-acceptance" of char-making [TLUD] stoves.

[Stephen Joseph]

Hi Guys

Very positive acceptance of the PED biochar stove in Northern Vietnam.
 Initial results to be published next year and a short article soon when I
manage to get time to write it.

Regards
Stephen Joseph

On Sat, Dec 1, 2012 at 6:07 PM, Paul Anderson <psanders at ilstu.edu> wrote:

>  Dear Stovers,
>
> On 11/30/2012 2:06 PM, rongretlarson at comcast.net wrote:
>
>  *   [RWL4b':  <snip>         I just finished reading the thesis by
> Robert Pendleton Taylor recommended by Jim Jetter yesterday.  He has 6-7
> different ways to subdivide the stoves universe and none are by char
> character..
>       However, the issue of how to handle char permeates that thesis - and
> I think appropriately.  The char issue raised by Dr.   Taylor revolves
> around "batch" stoves - which is a pretty close match to your "climate
> change" stoves.  I need to emphasize that primary emphasis has to be on the
> "cooking/heating" (not on the char) - or no one will use a char-making
> stove.   I think char-making stoves win the stove-acceptance battle
> hands-down - but there is almost no data to prove that.
> *
>
> I agree with Ron on several points:
> 1.   Almost no data.
> 2.  TLUD stoves have acceptance by users.
> 3.  That Ron and I are biased [but correct!!] in our favorable opinions
> about char-making stoves.   But we also have some of the longest times
> working with them.   Ron started in the 1990s and me in 2001, both with Tom
> Reed.
>
> The lack of data on stove acceptance of TLUD stoves is largely because of
> so little offer of them to users.   And almost never have they been offered
> side by side with other types of stoves.
>
> Four exceptions:
> A.  The Oorja TLUD-FA (fan assisted) did 400,000 units in India with BP
> funding.   And that stove (with some style updates, etc) is still on the
> market by First Energy.   Clearly somebody liked it enough to use it.
> However, the Oorja is not designed to make char.  So set that case aside.
> B.  Philips is getting into the gasifier stove scene.   Unlikely that they
> are doing it without some data on acceptance by users.   But no data from
> them.
> C.  Some models of World Stoves by Nat Mulcahy make char, but again data
> on acceptance is not released.
>
> [All three cases above are by for-profit businesses.]
>
> D.  The recently complete (Sept 2012, with Final Report still in Draft
> form) Mwoto TLUD-ND (natural draft) by the World Bank BEIA project in
> Uganda found that acceptance of that TLUD exceeded the ability of the
> tinsmiths to produce units.   That shows some very favorable acceptance.
> As a result of that project, at least three private companies have been
> created (Mwoto Factories, Awamu Biomass Energy, and Pamoja - Uganda) and
> some independent tinsmiths are continuing to make TLUD-ND gasifier stoves
> in Uganda.   These are start-up operations with minimal funding, but they
> are progressing and certainly have a positive attitude about user
> acceptance.
>
> In summary, Ron's statement of his belief that  :
>
> *char-making stoves win the stove-acceptance battle hands-down *
>
> remains to be proven or dis-proven.
>
> Paul
>
> Paul S. Anderson, PhD  aka "Dr TLUD"
> Email:  psanders at ilstu.edu   Skype: paultlud  Phone: +1-309-452-7072
> Website:  www.drtlud.com
>
>
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