Determination of odour concentration by TD-GC×GC–TOF-MS and field olfactometry techniques
PBN-AR
Instytucja
Wydział Chemiczny (Politechnika Gdańska)
Informacje podstawowe
Główny język publikacji
en
Czasopismo
MONATSHEFTE FUR CHEMIE (25pkt w roku publikacji)
ISSN
0026-9247
EISSN
Wydawca
DOI
URL
Rok publikacji
2017
Numer zeszytu
9
Strony od-do
1651-1659
Numer tomu
148
Identyfikator DOI
Liczba arkuszy
Słowa kluczowe
FIELD OLFACTOMETRY
GAS CHROMATOGRAPHY
ODOROUS SUBSTANCES
OIL REFINERY
WASTEWATER TREATMENT PLANT
Streszczenia
Język
Treść
Field olfactometry is one of the sensory techniques used to determine odour concentration, in atmospheric air, directly in emission sources. A two-dimensional gas chromatography with time of flight mass spectrometer (GC×GC–TOF-MS) allows performing the chemical characterization of various groups of chemical compounds, even in complex mixtures. Application of these techniques enabled determination of odour concentration level in atmospheric air in a vicinity of the oil refinery and the neighbouring wastewater treatment plant. The atmospheric air samples were analysed during a time period extending from February to June 2016. Based on the GC×GC–TOF-MS analysis and odour threshold values, the theoretical odour concentrations were calculated and compared with the odour concentrations determined by field olfactometry technique. The investigations revealed that higher values of odour concentration were obtained with the field olfactometry technique where odour analysis was based on holistic measurement. It was observed that the measurement site or meteorological conditions had significant influence on odour concentration level. The paper also discusses the fundamental analytical instruments utilized in the analysis of odorous compounds and their mixtures.
Inne
System-identifier
141653
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