globalchange  > 气候变化与战略
DOI: 10.1016/j.atmosenv.2019.117149
论文题名:
Formation of ozone-initiated VOCs and secondary organic aerosol following application of a carpet deodorizer
作者: Palmisani J.; Nørgaard A.W.; Kofoed-Sørensen V.; Clausen P.A.; de Gennaro G.; Wolkoff P.
刊名: Atmospheric Environment
ISSN: 1352-2310
出版年: 2020
卷: 222
语种: 英语
英文关键词: Acetone ; Aerosols ; Chemical analysis ; Consumer products ; Terpenes ; Volatile organic compounds ; Carpet ; Environmental parameter ; First-order decays ; High-time resolution ; Oxygenated products ; Ozone concentration ; Secondary organic aerosols ; Stainless steel surface ; Ozone ; acetaldehyde ; acetone ; ozone ; stainless steel ; volatile organic compound ; aerosol ; air sampling ; detection method ; emission ; experimental study ; ozone ; pollutant removal ; terpene ; volatile organic compound ; air pollutant ; air sampling ; ambient air ; Article ; controlled study ; deodorization ; environmental exposure ; environmental parameters ; flow rate ; high performance liquid chromatography ; human ; limit of detection ; mathematical model ; pilot study ; priority journal ; secondary organic aerosol ; surface property
学科: Carpet ; Consumer products ; Ozone ; Secondary organic aerosol ; Terpenes ; VOCs emission
中文摘要: Volatile Organic Compounds (VOCs) emission and Secondary Organic Aerosols (SOA) formation from a water-based carpet deodorizer were investigated in a 20 m3 walk-in climate chamber with and without a textile carpet installed. The deodorizer was tested under near-realistic user conditions at low (<2 ppbv) and high (∼50 ppbv) ozone concentrations and controlled micro-environmental parameters. Fifty grams of the deodorizer was pump sprayed onto 2 m2 inert stainless steel surface or carpet in order to mimic normal use. Characterization of primary VOCs and ozone-initiated products was performed by air sampling on Tenax TA followed by TD-GC/MS analysis and on DNPH cartridges followed by liquid extraction and HPLC/UV analysis. SOA formation was monitored simultaneously by means of high-time resolution instruments. Emission testing onto steel plates at ∼50 ppbv ozone showed the decay of reactive VOCs (i.e., dihydromyrcenol and linalool) concurrent with the consumption of ozone and formation of oxygenated reaction products (i.e., acetaldehyde, acetone and 6-methyl-5-hepten-2-one) and an increase of SOA. Emission testing on carpet at ∼50 ppbv ozone showed a significant ozone removal and an increase of nonanal and dodecanal, but without detection of oxygenated products and SOA formation. Modeling of the reactive VOCs from the carpet experiment showed they followed a first order decay. © 2019 Elsevier Ltd
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资源类型: 期刊论文
标识符: http://119.78.100.158/handle/2HF3EXSE/161044
Appears in Collections:气候变化与战略

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作者单位: Department of Chemistry, University of Bari, via Orabona 4, Bari, 70125, Italy; National Research Centre for the Working Environment, Lersø Parkallé 105, Copenhagen Ø, Denmark

Recommended Citation:
Palmisani J.,Nørgaard A.W.,Kofoed-Sørensen V.,et al. Formation of ozone-initiated VOCs and secondary organic aerosol following application of a carpet deodorizer[J]. Atmospheric Environment,2020-01-01,222
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