[Stoves] improving charcoal stoves

[Peter Verhaart]

Dean Still wrote:
> Dear Lanny and the List,
>
> We are trying to improve charcoal stoves but are not having much success.
>
> Here's what I think about charcoal but I'm sure that others will enlighten
> me a lot more since I'm just starting to play with it.
>
> 1.) Charcoal does not burn very hot. A thermometer an inch above the burning
> charcoal only reads 600C or so. Wood fires are a lot hotter more like 900C?
>   
It depends on the air supply, with sufficient air charcoal burns a lot 
hotter than wood. It used to be used in blast furnaces until the 
landscape was denuded of trees.
What is PM? Particulate matter? If so, how does CO form it when  it 
burns to CO2?
> 2.) Charcoal emits a lot of CO but not much PM. The CO escapes because there
> are few flames to burn it up. Flame makes PM so maybe for the same reason
> there's low PM?
>
>   
Do we know how much CO escapes from a charcoal stove?

With kind regards,

Peter Verhaart