[Stoves] The Economist

Tue Oct 23 08:00:34 CDT 2018

Dear Chris,

Thanks for sharing that,

Would you have any more information or photos of the areas around Addis
Kidami that they are growing acacia trees? Any costs on it all?

Best,

Teddy Kinyanjui
Sustainability Director

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On Mon, Sep 10, 2018 at 7:46 PM Crispin Pemberton-Pigott <
crispinpigott at outlook.com> wrote:

> Dear Chris
>
>
>
> Thank you for the report from the field. Just as in Rwanda and Haiti, the
> concept of farming fuel is catching on. South Africa does it a lot as
> well.  There are forces at play motivating against legalizing it, because
> where there is an illegal charcoal market, there is organized crime. The
> organized theft of community resources by outsiders is a major cause of
> deforestation (blamed on the local community of course).
>
>
>
> I appreciate your comment about the use of retorts. Perhaps the solution
> is to use small connected retorts as in Malaysia where gas from one is used
> to externally heat a new batch in another. Each batch is not large, and the
> process is approximately continuous.
>
>
>
> I think it is also worth checking out the influence of wood ash (minerals)
> as a contributor to agricultural productivity, not only the char. Slash and
> burn agriculture relies on the ash for productivity because the soils are
> thoroughly leached and robbed of nutrients. As Cecil points out, the
> “fertilizer” in a rain forest is all above ground.
>
>
>
> Regards
>
> Crispin
>
>
>
> [From Chris Adam]
>
>
>
> I was posting this article as spam, can someone copy it and post it for me
> thanks (its just frustrating typing an article for an hour an than not be
> able to send it.....)
>
>
>
>
>
> *Subject: Wood fuel plantation for sustainable charcoal production *
>
>
>
> Dear All,
>
> i was told or i did read that in Rwanda it’s one of the unique countries
> in Africa where wood fuel plantations are popular with the farmers
> population and charcoal production is kind of regenerative (peri-urban
> fuel-wood plantation, perennial cash crop and fuel).
>
>
>
> However recently I visited the area of *Bahir Dar* (Lake Tana) in
> Ethiopia and I was very much surprised seeing many wood fuel plantation
> from about 50km on along the road to Addis Abeba. Piles of timber
> everywehre!  Actually the charcoal production in this area has a status of
> being legal due to the wood plantations. Mainly a eucalyptus kind is used
> up to the town of Marawi and Dubate. The wood is transported by donkeys
> chariots to central place to sort out the wood into 3 categories: wood for
> construction, wood for fuelwood, wood for carbonization.
> The eucalyptus tree plantation are used for several harvesting cycles as
> new shoots are growing from the stems cut.
> We might launch an EU financed project to introduce retort kilns. We might
> have one obstacle: now the workers are used to operate large earth mound
> kilns (28 steps to walk around), but retort kilns (adam-retort) only have a
> 3m³ relatively small wood chamber.
>
>
>
> After the town of * Addis Kidami* mainly an acacias tree is planted.
> There is a different harvesting method, after about 5 years of growing, the
> trees including the root stunk are harvested and are decentralised
> carbonized at the place. The plantation is later transferred into an
> agricultural teff grain filed. Interestingly the farmers already discovered
> that at the places where charcoal was made, a “bio char” effect is visible
> and they start to distribute some of the charcoal dust over their fields.
>
> Chris A.
>
>
>
>
>
>
>
>
>
>
>
> -----Original-Nachricht-----
>
> Betreff: Re: [Stoves] The Economist
>
> Datum: 2018-09-10T02:32:50+0200
>
> Von: "Ronal W. Larson" <rongretlarson at comcast.net>
>
> An: "Discussion of biomass" <stoves at lists.bioenergylists.org>, "Norbert
> Senf" <norbert.senf at gmail.com>
>
>
>
>
>
>
>
> Norbert:  cc list
>
>
>
> I couldn't learn much about the two instruments you mention below.  But I
> sense they are not appropriate for those who are trying to improve
> cookstoves that have to saleablefor less than $50 (better $25).  As someone
> who does testing, any simple low-cost test systems for CO and PM2.5 you can
> recommend for small stoves ?
>
>
>
> Ron
>
>
>
>
>
> On Sep 9, 2018, at 10:15 AM, Norbert Senf <norbert.senf at gmail.com> wrote:
>
>
>
> Ha, ha, it is not the "feds" that was the worry. The comment came from a
> meeting, that included regulators, where the discussion turned to the new
> mandatory on-site testing requirement for PM for domestic installations in
> Germany. The German regulation was made contingent on the development of
> mobile PM testing equipment, which they now have (Wohler 500, Testo 380).
> The Americans at the meeting noted that this could never be implemented in
> the U.S. because you would need to issue bullet-proof vests for the
> inspectors ;-)   .......N
>
>
>
> On Sun, Sep 9, 2018 at 11:26 AM, Nikhil Desai <ndesai at alum.mit.edu> wrote:
>
> Norbert:
>
> You reminded me of a movie ~1970/2 about illegal distilleries in parts of
> Appalachia. The US Bureau of Alcohol, Tobacco, and Firearms -- the
> synergistic confluence of public interest - were known as "the Feds", as
> was the FBI.
>
> What struck me was the smoke from wood burning in backyard stills.
>
> No wonder the northeast electric utility engineers I worked with called
> the EPA as "the Feds", using language similar to that of the hooch makers
> of rural Tennessee (who had lost their lands to the Federal government when
> TVA was created in the 1930s.)
>
> I still cannot tell if WHO is a hooch maker or BATF-style kitchen kops.
>
> An old colleague moved to Montreal ten years ago; used to work on clean
> air and climate policy with me. I will ask him about the stove change out.
> In US, the problem isn't the guns of the Feds but resistance of state and
> local governments to interference by the EPA, science running amok with
> political steroids. Just as with GACC.
>
> Nikhil
>
>
>
> --
>
> Norbert Senf
> Masonry Stove Builders
> 25 Brouse Road, RR 5
> Shawville Québec J0X 2Y0
> 819.647.5092
> www.heatkit.com
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