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Physical parameters effect on ozone-initiated formation of indoor secondary organic aerosols with emissions from cleaning products
Huang, Y (Huang, Yu)[1]; Ho, KF (Ho, Kin Fai)[2]; Ho, SSH (Ho, Steven Sai Hang)[2,3]; Lee, SC (Lee, Shun Cheng)[1]; Yau, PS (Yau, P. S.)[1]; Cheng, Y (Cheng, Yan)[1,4]
2011-09-15
发表期刊JOURNAL OF HAZARDOUS MATERIALS
卷号192期号:3页码:1787-1794
文章类型期刊论文
摘要

The effect of air exchange rate (ACH), temperature (7), and relative humidity (RH) on the formation of indoor secondary organic aerosols (SOAs) through ozonolysis of biogenic organic compounds (BVOCs) emitted from floor cleaner was investigated in this study. The total particle count (with D(p) of 6-225 nm) was up to 1.2 x 10(3) # cm(-3) with ACH of 1.08 h(-1), and it became much more significant with ACH of 0.36 h(-1) (1.1 x 10(4) # cm(-3)). This suggests that a higher ventilation rate can effectively dilute indoor BVOCs, resulting in a less ultrafine particle formation. The total particle count increased when temperature changed from 15 to 23 degrees C but it decreased when the temperature further increased to 30 degrees C. It could be explained that high temperature restrained the condensation of formed semi-volatile compounds resulting in low yields of SOAs. When the RH was at 50% and 80%, SOA formation (1.1-1.2 x 10(4) # cm(-3)) was the more efficient compared with that at RH of 30% (5.9 x 10(3) # cm(-3)), suggesting higher RH facilitating the initial nucleation processes. Oxidation generated secondary carbonyl compounds were also quantified. Acetone was the most abundant carbonyl compound. The formation mechanisms of formaldehyde and acetone were proposed.

关键词Secondary organic aerosols (SOAs) Cleaning products Physical parameters Ozone-initiated indoor chemistry BVOCs Indoor air quality (IAQ)
DOI10.1016/j.jhazmat.2011.07.014
收录类别SCI
语种英语
引用统计
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/10300
专题粉尘与环境研究室
通讯作者Lee, SC (Lee, Shun Cheng)[1]
作者单位1.Department of Civil and Structural Engineering, Research Centre 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.Division of Atmospheric Sciences, Desert Research Institute, Reno, NV 89512, United States;
4.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
推荐引用方式
GB/T 7714
Huang, Y ,Ho, KF ,Ho, SSH ,et al. Physical parameters effect on ozone-initiated formation of indoor secondary organic aerosols with emissions from cleaning products[J]. JOURNAL OF HAZARDOUS MATERIALS,2011,192(3):1787-1794.
APA Huang, Y ,Ho, KF ,Ho, SSH ,Lee, SC ,Yau, PS ,&Cheng, Y .(2011).Physical parameters effect on ozone-initiated formation of indoor secondary organic aerosols with emissions from cleaning products.JOURNAL OF HAZARDOUS MATERIALS,192(3),1787-1794.
MLA Huang, Y ,et al."Physical parameters effect on ozone-initiated formation of indoor secondary organic aerosols with emissions from cleaning products".JOURNAL OF HAZARDOUS MATERIALS 192.3(2011):1787-1794.
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