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 <[email protected]> wrote: > Dear Stovers, > > On 11/30/2012 2:06 PM, [email protected] 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: [email protected] Skype: paultlud Phone: +1-309-452-7072 > Website: www.drtlud.com > > > _______________________________________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org > > for more Biomass Cooking Stoves, News and Information see our web site: > http://www.bioenergylists.org/ > > >
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