[Vwdiesel] Diesel particulate filters make the grade in Alberta
val at mongobird.com
Tue Aug 9 00:09:12 EDT 2005
I can't comment on all the chemistry of diesel cycles,
but particulates are incomplete combustion, including when
carbon remains unburned.
CO is formed also by incomplete combustion, but is not a
particulate. In fact, CO is odorless and not readily visible.
While there may be CO when there are particulates, it does not
necessarily follow that when there is CO, there will be particulates.
> It is my understanding that this is true, to an
> extent. Basically, there is no CO when there is no
> smoke present. Anytime there is smoke (like when you
> stomp the accelerator pedal), there is CO as well.
> Someone correct me if I'm wrong.
> --- Gerry Wolfe <gjwolfe at telus.net> wrote:
> > My understanding was that CO is formed when there is
> > incomplete combustion
> > i.e. inadequate oxygen to burn all the fuel and that
> > since a diesel always
> > (?) has an excess of air available (turbo
> > especially) , CO2 was the main
> > byproduct and that CO was almost non-existant?
> David Cook
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