[Stoves] benefits from reduced indoor air pollution.
Paul Anderson
psanders at ilstu.edu
Tue Oct 17 19:31:37 CDT 2017
On 10/16/2017 4:52 PM, Andrew Heggie wrote:
> the oxygen in
> the wood has already oxidised the elements it is bonded to, any oxygen
> necessary to "burn" the fuel, i.e. oxidise it completely comes from
> the air supplied.
I am not a chemist, but I think that the oxygen in a carbohydrate fuel
is not considered to have "oxidized" anything at that stage. That would
be a very confusing usage of the word "oxidize."
Instead, with the pyrolysis process, the atoms in the carbohydrate
(biomass) are "disassociated" (freed from the other atoms) and are then
able to enter into subsequent reactions which, in the case of O and H,
they become H2O, in basically the same way and with the same energy
release as when H2 and O2 come together with a spark and make water.
I will accept the comments from the combustion experts.
Paul
Doc / Dr TLUD / Prof. Paul S. Anderson, PhD
Email: psanders at ilstu.edu
Skype: paultlud Phone: +1-309-452-7072
Website: www.drtlud.com
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