Do slow combustion stoves contribute to carbon monoxide pollution
because they cause more incomplete burning than open fires?
Dear notowardrobes,
In short the answer appears to be yes. Slow combustion wood stoves
put out a number of polutants, CO being one of them, that would not be
caused in a hotter, faster burning fire.
"Furthermore, even with moderately good operation, brand new domestic
wood heaters are not particularly efficient. According to the
Victorian EPA (Port Phillip Region Air Emissions Inventory, December
1998), wood heaters with emissions reduction technology emit
approximately 5.5 g of PM10 particles per kg of wood and 60 g of
carbon monoxide. Thus burning wood in domestic heaters is not
greenhouse neutral and if we care about global warming, we will make
better use of our wood. For example as a replacement for coal in power
stations, so that it can be burned cleanly and efficiently and
decrease, rather than increase, greenhouse gas emissions and air
pollution.
In summary, wood heating does not achieve the same level of
environmental sustainability that could be achieved by using the wood
we grow in other ways, such as to replace coal in power stations, or
in wood gasification systems, or to produce ethanol as a replacement
for petrol. The inefficient nature of combustion from domestic wood
heating produces substantial quantities of non-CO2 greenhouse gases
which will have a far worse effect on the global climate that the much
smaller quantity of CO2 produced by gas heating."
http://www.deh.gov.au/land/publications/firewood-conferences/bendigo/lets-grow.html
"Many people argue that the standard does not go far enough. One
anti-wood smoke campaigner, Dorothy Robinson, believes the standards
are ineffective, even if the heaters are used optimally. Robinson
cites an example of a wood heater in her home town, Armidale NSW, that
is rated better than the Australian standard, at 3.2 grams of
particulate emissions per kilogram of wood burnt. She points out that
?even if operated in the best possible manner, using perfectly dry,
seasoned wood, such a heater will produce more fine particle (PM2.5)
pollution than heating 700 houses with gas. It also produces more
PM2.5 pollution in a single day than driving a new car 15,000 km?."
http://www.ata.org.au/articles/heating/68wood.htm
Have a great evening. If you need any cleared up or have any
questions please request a clarification before rating my answer and
I'll be happy to help.
Best,
djbaker-ga Carbon Monoxide Poisoning: Incidence, Diagnosis & Treatment ::
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Slow combustion stoves and carbon monoxide