[Stoves] Bangladesh TLUD (was Re: No subsidies in TLUD char peoduction

Andrew Heggie aj.heggie at gmail.com
Sat Dec 9 08:01:49 MST 2017


On 9 December 2017 at 13:47, Crispin Pemberton-Pigott
<crispinpigott at outlook.com> wrote:
> Dear Andrew
>
>
>
> Good question and relevant to Julien's work:
>
>
>
>>How hot can portland cement get before it breaks down?
>
>
>
> 400˚C.

Thanks Crispin

What about high alumina cement?

 The perceived wisdom is that the descending  pyrolysis front is 600C
plus or minus 100C so depending on the thermal conductivity of the
clay slip and concrete it may not get that hot.

Andrew



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