[Stoves] Geopolymer, ceramic like cookstoves
Kobus Venter
ventfory at iafrica.com
Mon Jul 14 14:07:35 CDT 2014
Hi Richard et al, yes we have developed highly insulative, hardened fire
bricks for cookstoves at the University of KwaZulu-Natal with the
assistance of the late Prof Juliete Armstrong. The recipe and
associated royalties are now with Prof Mark Laing (Planet Earth
Biopower) our strategic partner in the Vuthisa Biochar Initiative.
Actually I think Crispin has the best in-depth knowledge on this
subject, but I know Rok has done great work too.
Regards
Kobus
On 2014/07/13 12:14 AM, Richard Stanley wrote:
> Thomas, robert e al;
>
> Potassium aluminum silicate is I think Kaolin clay no ?
>
> The smart thing is that you Bob HAstings seem to be integrating a c of low denisty non structural but highly insulative material with a shell of harder more structural material which is either cast into the insulative shell by use of secondary exterior mold or perhaps you just paint the harder slurry material on to the surface of the insulative core material. Kobus Venter and Rok Oblak and probably a hundred others have experimented with the same thing in years past but you have managed to nail it down: Clever stuff and all the best to you…
> Cheers,
> Richard Stanley
>
>
> On Jul 12, 2014, at 2:13 PM, David Young wrote:
>
> On Sat, Jul 12, 2014 at 10:53:50AM -0600, Ronal W. Larson wrote:
>> 4. It seems likely that the main new key feature of your work is what you have called “Ksial”. Could you explain more on when that will be available from you. Is it proprietary? What is behind this most unusual word?
> I took it to be K Si Al, Potassium Silicon Aluminum. Possibly those are
> major constituents of the ceramic?
>
> Dave
>
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