Particles Emitted By A Residential Wood Stove:
Comparison Of Various Sampling And
Measuring Methods
Author(s)
C. Le Dreff-Lorimier & M. Dufresne De Viriel
Abstract
Although residential biomass combustion is increasingly used, some recent
studies present it as a non negligible source of fine particles and gaseous
pollutants, which are known to have bad effects on environment and human
health. Therefore, characterisation and reduction of these emissions has become
a major issue for the industrial, scientific and political communities of this field.
But, unlike gaseous pollutants, the evaluation of particles generated by
combustion processes may be significantly influenced by sampling and
measuring conditions, such as isokinetism or cooling and dilution of the fumes
(if any). And, although this impact has been widely studied in case of diesel
exhaust particles measurements, very few studies on this subject refer to wood
combustion. However, there is currently no unified European norm to measure
particles generated by residential biomass combustion appliances and national
standards used by some countries (such as Germany or Norway) are based on
experimental methods that are widely different from each other, the main
discrepancies being in the way fumes are sampled, either in-stack or out-stack.
Thus, the objective of this study is to compare the mean mass concentration of
particles emitted by a residential wood stove through two different sampling and
measuring methods: in-stack gravimetric measurement and out-stack gravimetric
measurement (after cooling and diluting fumes in a dilution tunnel). Influence of
experimental conditions such as isokinetism, position of sampling probe, type of
filter or filter conditioning conditions is studied.
Keywords: combustion, biomass, particles, measurements.
Keywords
combustion, biomass, particles, measurements
Related Book
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