[Stoves] Stoves Digest, Vol 14, Issue 17

Tom Miles Easystreet tmiles at trmiles.com
Sat Oct 15 22:05:09 PDT 2011


900C will vaporize about 25% to 30% of the K and Na.  That will reduce your ash fraction. Measuring CO2 in the ash will account for the carbonates. 

T R Miles Technical Consultants Inc.
tmiles at trmiles.com
Sent from mobile. 

On Oct 15, 2011, at 9:32 PM, "Crispin Pemberton-Pigott" <crispinpigott at gmail.com> wrote:

> Dear All
> 
> >   RWL:   The ASTM testing talks about 950 C - and probably because little is happening even at 900 C.
> 
> In Ulaanbaatar as in much of the coal industry ash determination is made by all the labs at 830 C in the presence of air, volatiles having been determined at  420 or so. There is still come carbonates in the ash.
> 
> Prof Lodoysamba has constructed a few machines about the size of a CPU that can measure the ash content, directly by nuclear methods, of a sample in a few seconds without burning it. You can have one for $10k and a nuclear licence.
> 
> Regards
> 
> Crispin
> 
>  
> 
>  
> 
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