BTEXs emissions according to the distance from the flame front and the combustion stages during the prescribed burning - Archive ouverte HAL Accéder directement au contenu
Article Dans Une Revue Combustion Science and Technology Année : 2010

BTEXs emissions according to the distance from the flame front and the combustion stages during the prescribed burning

Résumé

This work investigated the VOC group benzene, toluene, ethylbenzene and xylenes (BTEXs) produced during the combustion of forest fuel. The above analytes were chosen because they have been identified in other forest fires. As a result, firelighters and the general population can be exposed to hazardous concentrations of BTEXs during prescribed burning. Firefighters were equipped with Tenax adsorbent tubes and the BTEX concentrations analyzed by Automated Thermal Desorption - Gas Chromatography/Mass Spectrometry (ATDGC/MS). Total BTEX concentrations were measured in function of the distance from the flame front (between 1 and 10 meters, between 30 and 50 meters and between 100 and 150 meters) and the combustion phase (flaming and smoldering). The major compounds detected were benzene and toluene. Significant differences were observed between the data collected. BTEX concentrations were higher close to the flame front and during the smoldering phase. The benzene concentration (0.093 - 18 mg.m-3) exceeded the Short-Term Exposure Limit (STEL, 16 mg.m-3) in samples collected during the smoldering phase at a distance of 1 to 10 meters from the flame front. Statistical analyses were carried out to summarize the results.
Fichier non déposé

Dates et versions

hal-00470923 , version 1 (07-04-2010)

Identifiants

  • HAL Id : hal-00470923 , version 1

Citer

Toussaint Barboni, N. Chiaramonti. BTEXs emissions according to the distance from the flame front and the combustion stages during the prescribed burning. Combustion Science and Technology, 2010, 182, pp.1193-1200. ⟨hal-00470923⟩
60 Consultations
0 Téléchargements

Partager

Gmail Mastodon Facebook X LinkedIn More