Abstract
Fine particles generated from laboratory biomass combustion are discussed in this study. The approach combines the thermogravimetric analysis during thermal decomposition of beech wood sample with detailed monitoring of the size distribution of fine particles produced. Thermogravimetric analysis (TGA) allows monitoring the exact temperature influence of a small fuel sample (wood) according to the desired schedule. The cool aerosol stream leaving TGA enters a Scanning Mobility Particle Sizer (SMPS) where the particle size fractions are separated. The monodisperse aerosol is counted by the condensation particle counter (CPC). The parametrical study was carried out to assess the influence of composition, size and surface of the wood sample on the production and size distribution of ultrafine particles
Highlights
Understanding of particles formation and their behaviour related to biomass burning process are objective of the intense research
The parametrical study was carried out to assess the influence of temperature rise on the production and size distribution of ultrafine particles released during a heating of beech wood sample
This study deals with laboratory investigation of fine particulate matter production over controlled heating of beech wood samples in the atmosphere with 21 % of oxygen
Summary
Understanding of particles formation and their behaviour related to biomass burning process are objective of the intense research. Most of the particles produced by the combustion process are PM1 (particles with a diameter of less than 1μm). These fractions have a considerable impact on the health of the population. They are inhalable and can penetrate deep into the human respiration system. Compared to larger particles, they have a much greater active surface at the same weight; and have a high ability to bind other harmful substances [1, 2]
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