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Emission Factors for SLCP Emissions from Residential Wood Combustion in the Nordic Countries

Improved Emission Inventories of Short Lived Climate Pollutants (SLCP)

image of Emission Factors for SLCP Emissions from Residential Wood Combustion in the Nordic Countries

Emission inventories of Short Lived Climate Pollutants (SLCP), and especially of Black Carbon are uncertain and not always comparable. Comparable and reliable emission inventories are essential when aiming for efficient strategies and policies for reduced emissions. The overall objective of this project is to improve the Nordic emission inventories of SLCPs. This report presents the results from the second phase of the project, emission measurements of SLCP and particulate matter from residential wood combustion. The measurements were done on residential biomass combustion appliances representative for the Nordic countries, covering elemental carbon (EC), organic carbon (OC), particulate matter (PM2.5), methane (CH4) and non-methane volatile organic compounds (NMVOC). Emission factors were developed for standard combustion conditions, as well as for “bad” combustion conditions.

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Conclusions

In order to improve the national emission inventories of SLCP, and reduce uncertainties, a better understanding of emission factors is essential. Apart from emission factors, also national activity data on technologies, fuel consumption and combustion conditions are important. This project contributes to a better knowledge base for emission factors for PM2.5, EC, OC, CH4, NMVOC and CO from residential wood burning, as well as ratios for increased emissions at “bad combustion conditions”. Bad combustion conditions can be weighted into the national emission factors, depending on national circumstances.

English

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