Re: Chardust and coffee husks

[Richard Stanley <rstanley@legacyfound.org>]

Crispin,

Am here in KAmpala and will be testing ot coffee husk blends in or wet process
holey briquettes. The folks we train usually go on to test their own
site-specific blends  of available resources.

They tend to get around the smoke problem by controlling the % of
smoky ingredients (like coffee husks)  with other quicker igniting residues.
Certain groups tried it in Malawi and again in Kenya. Have been away from these
parts for awhile, and Email does not penetrate most of the groups we are
working with,  but I intend to  and I will catch up with them with a visit over
the next month or so, to  see what their experience has been and report back.

I'm cc'ing this to Ben Bryant ,the godfather of the holey briquette, for his
ideas too.

Richard Stanley


New Dawn Engineering /ATEX wrote:

> Dear Matthew
>
> <<Stephen Gitonga of ITDG mentioned the efforts of the Kenya Planters
> Cooperative Union (KPCU) to market coffee husk charcoal in Kenya. These
> began in 1987 but have pretty much ended, with over 600 tonnes unsold at the
> KPCU depot. The product was unpopular with consumers due to its smokiness,
> and the marketing operation was run inefficiently as an off-shoot of a
> para-statal organisation. We're re-branding the product as BBQ charcoal and
> packing in clean 4 kg sacks for supermarkets and convenience stores. The
> smoke problem persists to an extent, regardless of which binder is used, for
> 10-11 mins after lighting.>>
>
> I would be pleased to try burning it in a Basintuthu single cooker because
> if persistent smoke is a problem then it is a very good layout for getting
> it up to temp fast.  If you can post me 1/2 a kg or so I would be able to
> test it.  If it works well with a significant reduction in smoking time,
> then your could produce the stoves to go with it in Kenya.
>
> It is primarily a wood burning stove but it does very well with charcoal.
> Fast temperature rise is an important feature when trying to burn smokey
> fuel.
>
> Howzat?
>
> Regards
> Crispin
> New Dawn Engineering
>
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