Emission dynamic from residential wood combustion : PM, BC, OM, VOCs and levoglucosan - Ineris - Institut national de l'environnement industriel et des risques Access content directly
Conference Papers Year : 2015

Emission dynamic from residential wood combustion : PM, BC, OM, VOCs and levoglucosan


During this last decade in Europe, the use of wood burning for residential heating has significantly increased because it is a renewable source of energy. The determination of wood combustion pollutant emission factors (EFs) is usually performed by measurements directly carried out at the emission source. In these conditions, the results obtained are not representative of the PM chemical composition and concentrations observed in ambient air due to post-emission physicochemical processes: dilution, condensation and photo-oxidation of semi-volatile species. The main objective of the Champrobois project was to study the physicochemical evolution of the aerosol emitted by two different residential log wood stoves (RWS, old and modern = 4* and 5*) from emission until its introduction in ambient air, in controlled “real” conditions. Measurements were performed directly at the emission source, at about 1 m from the exhaust stack (very close field, dilution factor about 10-20) and at about 50 m from the emission exhaust (close field, dilution factor about 500). Using dedicated on-line instrumentation (TEOM, Aethalometer, ACSM, PTR-MS and PILS-LC/PAD) in the close field, one specific objective was to study the emission dynamic of PM, specific VOCs and biomass burning tracers [Black Carbon (BC) and levoglucosan] for different wood combustion conditions. Results obtained showed that the pollutant emission dynamic and concentrations were closely linked to the combustion conditions (wood load, output) and phases (lighting, pre-load). As an example, BC accounted for the main part of the solid fraction of PM2.5 during all the combustion process in nominal output conditions while, at the beginning and at the end of the combustion cycle, the emission of other species (i.e organic compounds) was major in reduced output conditions (Figure 1). We also showed that the emission of the widely used biomass burning molecular tracer, namely levoglucosan, seemed only emitted under specific combustion conditions (cold start, pre-load, reduced output, large wood load inducing a decrease of the RWS temperature). This result is of primary interest in terms of PM source apportionment and evaluation of the contribution of the biomass burning source on ambient air PM concentration levels.
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ineris-01855106 , version 1 (07-08-2018)


  • HAL Id : ineris-01855106 , version 1


Alexandre Albinet, Olivier Favez, Serge Collet, Jean-Eudes Petit, Federica Nalin, et al.. Emission dynamic from residential wood combustion : PM, BC, OM, VOCs and levoglucosan. European Aerosol Conference (EAC 2015), Sep 2015, Milan, Italy. ⟨ineris-01855106⟩
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