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Effect of ammonia on ozone-initiated formation of indoor secondary products with emissions from cleaning products
Huang, Y (Huang, Yu)[1];  Lee, SC (Lee, Shun Cheng)[1];  Ho, KF (Ho, Kin Fai)[2,3];  Ho, SSH (Ho, Steven Sai Hang)[2,4];  Cao, NY (Cao, Nanying)[1];  Cheng, Y (Cheng, Yan)[1,5];  Gao, Y (Gao, Yuan)[1]
2012-11-30
Source PublicationAtmospheric Environment
Volume59Pages:224-231
Subtype期刊论文
Abstract

Biogenic volatile organic compounds (BVOCs) emitted from cleaning products and air fresheners indoors are prone to oxidation resulting in the formation of secondary pollutants that can pose health risks on residents. Ammonia (NH3) is ubiquitous in ambient and indoor environments. In this study, we investigated the effect of ammonia (NH3) on secondary pollutants formation from the ozonolysis of BVOCs emitted from cleaning products including floor cleaner (FC), kitchen cleaner (KC) and dishwashing detergent (DD) in a large environmental chamber. Our results demonstrated that the presence of NH3 (maximum concentration is 240 ppb) could significantly enhance secondary organic aerosols (SOAs) formation from the ozonolysis of all the three categories of cleaning products. For example, for the FC sample, the maximum total particle concentration was up to 2.0 × 104 # cm−3 in the presence of NH3, while it was 1.3 × 104 # cm−3 which was 35% lower without NH3. However, it was found that the extent of NH3 effect on SOAs formation from the ozonolysis of BVOCs emissions was component-dependent. The presence of NH3 in the reaction systems could increase the consumptions of d-limonene that is the dominant BVOC species as identified in cleaning products. The percent yields (%) of secondary carbonyl compounds generated from the ozonolysis of BVOCs emitted from three categories of cleaning products were identified in the presence and absence of NH3, respectively. The increase in SOAs particle number concentration can be attributed to the formation of condensable salts from reactions between NH3 and organic compounds generated from the BVOCs ozonolysis processes. By investigating the NH3 effect on the ozonolysis of BVOCs mixtures in contrast to the chemistry of individual compounds, a better assessment can be made of the overall impact cleaning products have on real indoor environments.

KeywordIndoor Secondary Pollutants Cleaning Products Biogenic Volatile Organic Compounds Ozonolysis Ammonia Effect
DOI10.1016/j.atmosenv.2012.04.059
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10147
Collection粉尘与环境研究室
Corresponding Author Lee, SC (Lee, Shun Cheng)[1]
Affiliation1.Department of Civil and Structural Engineering, Research Center for Environmental Technology and Management, The Hong Kong Polytechnic University, Hung Hom,Hong Kong, China;
2.SKLLQG, Institute of Earth Environment, Chinese Academy of Sciences, Xi’an 710075, China;
3.School of Public Health and Primary Care, The Chinese University of Hong Kong, China;
4.Division of Atmospheric Sciences, Desert Research Institute, Reno, NV 89512, United States;
5.Department of Environmental Science and Technology, School of Human Settlements and Civil Engineering, Xi’an Jiaotong University, No. 28 Xianning West Road,Xi’an, Shaanxi 710049, China
Recommended Citation
GB/T 7714
Huang, Y , Lee, SC , Ho, KF ,et al. Effect of ammonia on ozone-initiated formation of indoor secondary products with emissions from cleaning products[J]. Atmospheric Environment,2012,59:224-231.
APA Huang, Y ., Lee, SC ., Ho, KF ., Ho, SSH ., Cao, NY .,...& Gao, Y .(2012).Effect of ammonia on ozone-initiated formation of indoor secondary products with emissions from cleaning products.Atmospheric Environment,59,224-231.
MLA Huang, Y ,et al."Effect of ammonia on ozone-initiated formation of indoor secondary products with emissions from cleaning products".Atmospheric Environment 59(2012):224-231.
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