fly ash is used in ceramicrete (magnesium concrete) flyash is
byproduct from burning coal-here in Tasmania, coal is mined but
exported so fly ash (along with rice hull ash) is not available-what
about wood ash,would that work? i think magnesium cement would be good
in papercretf as the mag cement is keen to bond with fibre where
portland apparently actually repels fibre. knowing that, i can't
figure why my experiments with paper, sawdust and cloth using portland
have worked so well?there is a whole world of concrete chemistry to
know...
On 2/26/11, Wayne <huon@intas.net.au> wrote:
> Seems a great idea Dan.
>
> Can any sort of ash be used or does it have to be rice hull? Rice is not
> grown here but I have access to other organic wastes such as trees.
>
> Wayne
>
>
>
>> Check out the following links, for example.
>>
>>
>>
>> It seems that rice hull *ash* is usually used as an additive to
>> concrete, similar to and possibly better than pozzolan.
>>
>>
>>
>> Perhaps you could use both rice hulls and rice hull ash in your mix,
>> getting twice the bang for your buck.
>>
>>
>>
>> Dan
>
>
>
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