Ben84 wrote: »
While they're good for cutting carbon emissions (assuming you're burning relatively local and sustainable wood), burning wood also generates a lot of other pollutants, both inside the house and outside. Compared to mains gas (which given sufficient air emits almost nothing but water and carbon dioxide) it's a very dirty fuel.
Generally, burning plant matter of any types creates a long list of unhealthy break down products and particulate matter. The 4000 compounds in cigarette smoke aren't in fact in any way special to cigarettes, they're just the result of burning plant matter. If we swapped them all for dried privet hedge clippings rolled in paper they'd emit almost exactly the same stuff when burnt.
grahamc2003 wrote: »
Much of the crap from wood burning comes out as smoke - if you burn wood in such a way that it doesn't smoke, I'd expect any pollution to be minimal. The way to burn all the gasses given off the wood is to have a hot combustioin chamber in an airtight stove. and the correct amount of air delivering the correct amount of oxygen - too much air cools everything down, and not enough air results in unburnt fuel (smoke) going up the chimney.
More or less the same with gas (which of course is plant matter). Incorrect burning of gas also produces some nasties - carbon monoxide being the real killer. It's just that most gas burning is near optimal, but most wood burning is far from optimal - e.g. not in a stove, and when in a stove burning overnight/burning too cool, chocking off the air supply when the room gets too hot, or burning damp wood which can't get sufficiently hot.
jamesingram wrote: »
"Interesting “Material World” on Radio 4. A report this week issued by Greenpeace, Friends of the Earth and the RSPB suggests
jamesingram wrote: »
Roger , fair point , but even a good wood stove is probably only rated at 70% efficient , and in use more likely 50%
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