| DOI: | 10.1016/j.atmosenv.2014.06.034
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| Scopus记录号: | 2-s2.0-84903648839
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| 论文题名: | Light-induced nitrous acid (HONO) production from NO2 heterogeneous reactions on household chemicals |
| 作者: | Gómez Alvarez E; , Sörgel M; , Gligorovski S; , Bassil S; , Bartolomei V; , Coulomb B; , Zetzsch C; , Wortham H
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| 刊名: | Atmospheric Environment
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| ISSN: | 0168-2563
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| EISSN: | 1573-515X
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| 出版年: | 2014
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| 卷: | 95 | | 起始页码: | 391
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| 结束页码: | 399
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| 语种: | 英语
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| 英文关键词: | Flow reactor
; Heterogeneous reactions
; Indoor air
; Nitrogen oxides
; Nitrous acid
; UV-vis light
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| Scopus关键词: | Borosilicate glass
; Chemicals
; Cleaning
; Detergents
; Nitrogen oxides
; Paint
; Photolysis
; Flow reactors
; Heterogeneous reactions
; Indoor air
; Nitrous acid
; UV-vis light
; Inorganic acids
; detergent
; domestic chemical
; glass
; nitrogen dioxide
; nitrous acid
; paint
; silicate
; chemical mass balance
; combustion
; gas phase reaction
; indoor air
; inorganic acid
; light attenuation
; mixing ratio
; nitrogen dioxide
; photolysis
; reaction kinetics
; ultraviolet radiation
; article
; atmosphere
; cleaning
; gas
; light
; light intensity
; priority journal
; surface property
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| Scopus学科分类: | Environmental Science: Water Science and Technology
; Earth and Planetary Sciences: Earth-Surface Processes
; Environmental Science: Environmental Chemistry
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| 英文摘要: | Nitrous acid (HONO) can be generated in various indoor environments directly during combustion processes or indirectly via heterogeneous NO2 reactions with water adsorbed layers on diverse surfaces. Indoors not only the concentrations of NO2 are higher but the surface to volume (S/V) ratios are larger and therefore the potential of HONO production is significantly elevated compared to outdoors. It has been claimed that the UV solar light is largely attenuated indoors.Here, we show that solar light (λ>340nm) penetrates indoors and can influence the heterogeneous reactions of gas-phase NO2 with various household surfaces. The NO2 to HONO conversion mediated by light on surfaces covered with domestic chemicals has been determined at atmospherically relevant conditions i.e. 50ppb NO2 and 50% RH. The formation rates of HONO were enhanced in presence of light for all the studied surfaces and are determined in the following order: 1.3·109moleculescm-2s-1 for borosilicate glass, 1.7·109moleculescm-2s-1 for bathroom cleaner, 1.0·1010moleculescm-2s-1 on alkaline detergent (floor cleaner), 1.3·1010moleculescm-2s-1 for white wall paint and 2.7·1010moleculescm-2s-1 for lacquer.These results highlight the potential of household chemicals, used for cleaning purposes to generate HONO indoors through light-enhanced NO2 heterogeneous reactions.The results obtained have been applied to predict the timely evolution of HONO in a real indoor environment using a dynamic mass balance model. A steady state mixing ratio of HONO has been estimated at 1.6ppb assuming a contribution from glass, paint and lacquer and considering the photolysis of HONO as the most important loss process. © 2014 Elsevier Ltd. |
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| 资源类型: | 期刊论文
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| 标识符: | http://119.78.100.158/handle/2HF3EXSE/81302
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| Appears in Collections: | 气候变化事实与影响
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作者单位: | Aix-Marseille Université, CNRS, Laboratoire Chimie Environnement, FRE 3416 (Case 29), 3 Place Victor Hugo, F-13331 Marseille Cedex 3, France; Universität Bayreuth, Forschungsstelle für Atmosphärische Chemie, Dr.-Hans-Frisch-Str. 1-3, D-95448 Bayreuth, Germany; Biogeochemistry Department, Max Planck Institute for Chemistry, P.O. Box 3060, 55020 Mainz, Germany
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| Recommended Citation: | |
Gómez Alvarez E,, Sörgel M,, Gligorovski S,et al. Light-induced nitrous acid (HONO) production from NO2 heterogeneous reactions on household chemicals[J]. Atmospheric Environment,2014-01-01,95
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