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Characterisation and on-site monitoring of odorous organic compounds in the environment of a landfill site

par Termonia, Arnaud ;Termonia, Marc
Référence International journal of environmental analytical chemistry, 73, 1, page (43-57)
Publication Publié, 1999

Article révisé par les pairs

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Résumé :

This study presents an analytical procedure developed in order to monitor specific volatile organic compounds (VOC) causing olfactive nuisances in the environment of a landfill site. 1-Methyl-4-iso-propenyl-1-cycolohexene (limonene) and 1-methyl-4-iso-propyl-benzene (p-cymene) detected by GC-MS in the landfill gas emissions were considered as tracers of the malodour. An on-line analytical system including a gas chromatograph coupled with a photoionisation detector was installed 'on-site' to detect these markers at μg/m3 level in the atmosphere after pumping up the ambient air at close intervals. Quantitative results of the semi-continuous monitoring were strongly correlated with olfactive nuisances reported in the vicinity of the source. The chemical characterisation of odorous organic tracers and their 'on-site' monitoring was shown to be a useful technique to detect malfunctions in the bio-gas collecting facilities and to prevent air pollution and olfactive nuisances in the environment.