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Old 02-26-22, 08:26 AM   #8
Zwerius
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What I didnt read so far, is that in every "burning-process" nitrogen and oxygen from the air react to different Nitrous Oxides (NOx), which cause acidic rain and thus belong to the poluters of our atmosphere.
This happens when you burn coal, oil, gas or wood in the same way.
You can only limit it, if you can keep teh flame temperature below 800°C, which is not so easy. There are Low NOx burners, that supply the combustion air in stages, so that the combustion temperature is lowered. This reduces the amount of NOx, but doesn't bring it back to zero. In natural decomposition of wood, there is no NOx formation.
So, don't just look to CO2 that's released and taken up again.
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