[Stoves] [biochar-production] Re: Stoves Digest, Vol 14, Issue 17

[Crispin Pemberton-Pigott]

Dear Paul

 

Thanks for the number set.

 

Char usually has at least some volatiles left, perhaps 15%.

 

There is carbon in the volatiles, and it is been a (so far) fruitless quest
to find out what the analysis is for various fuels.

 

Have you analysed actual rice hull char?

 

Thanks

Crispin

 

+++++

 

Let us suppose that the proximate analysis of a rice hull sample is:
15.80% fixed carbon
63.60% volatile matter
20.60% ash.
If we remove all volatile matter, the remainder would be:
43.41% fixed carbon
56.59% ash
Should this material not be called biochar?

Paul Olivier

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