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Characterisation of particle-bound PAHs emitted from a residential wood-burning stove and their dependence on combustion phases.
Environmental research · · Journal Article · Open access
Matušková, Pospíšil + more
Abstract ↗AI summary
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Particle-bound PAHs from residential wood burning peak during initial ignition and flaming (intervals #1–#3), with PM1 carrying 70–89% of total PM mass.
- Why it matters: Real-time changes in PAH emission profiles within a single burn cycle are not well characterized, limiting understanding of how combustion stage shapes exposure-relevant aerosols.
- What they did: Using a standard residential stove, three Central European woods (Fagus sylvatica, Robinia pseudoacacia, and Picea abies) were burned under nominal conditions; aerosol was separated by cascade impactor across five combustion phases and PAH masses quantified by GC-MS/MS.
- The result: PAH peaks matched intense devolatilisation and low flue-gas oxygen, with spruce and black locust peaking in intervals #1–#3 while beech peaked in interval #4; PM size stayed monomodal (~0.1 µm) and PAH composition shifted by fuel and stage.
The findingWhy it mattersWhat they didThe result
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