Journal
ATMOSPHERIC POLLUTION RESEARCH
Volume 14, Issue 8, Pages -Publisher
TURKISH NATL COMMITTEE AIR POLLUTION RES & CONTROL-TUNCAP
DOI: 10.1016/j.apr.2023.101837
Keywords
GC-O-MS; OAV; Rubber product industry; Key odorants; Odor wheel
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Accurately identifying key odorants in the rubber industry has become a challenging task. This study combines sensory evaluation, GC-O-MS, statistical analysis, and OAV analysis to rapidly and accurately identify 20 key odorants in different rubber product industries. The identified odorants include various compounds associated with odor pollution in the industry. An odor wheel specific to rubber product enterprises is developed, providing a novel approach for traceability and control of odor pollution.
Accurate identification of key odorants has become a challenging and urgent task due to the increasing severity of odor nuisance. This study aims to rapidly and accurately identify 20 key odorants in different rubber product industries and treatment procedures using a combination of sensory evaluation, gas chromatography-olfactory-mass spectrometry (GC-O-MS), statistical analysis, and odor activity value (OAV) analysis. The identified odorants include alcohols, acids, aldehydes, ketones, sulfides, aromatic compounds, alkanes, alkenes, and other compounds. These compounds are categorized as sour, odorous, bitter, rubbery, and foul rubber-like, which are commonly associated with odor pollution in the rubber product industry. An odor wheel specific to rubber product enterprises is developed by combining chemical analysis with sensory evaluation of odorants. This odor wheel can be used for rapid traceability and identification of odor pollution at industrial sites. Results present a novel approach and theoretical framework for the traceability and control of odor pollution in the rubber industry.
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