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Personal exposure of PM2.5 emitted from solid fuels combustion forhousehold heating and cooking in rural Guanzhong Plain, northwesternChina
Xu,HM(Xu,Hongmei)1,2; Li,YQ(Li,Yaqi)1; Guinot, Benjamin5; Wang,JH(Wang,Jinhui)6; He,KL(He,Kailai)1; Ho, K.F(Ho,Kai,Fai)7; Cao,JJ(Cao,Junji)3; Shen,ZX(Shen,Zhenxing)1; Sun,J(Sun,Jian)1; Lei,YL(Lei,Yali)1; Gong,XS(Gong,Xuesong)1,8; Zhang,T(Zhang,Ting)3; Xu,Hongmei
2018-07
Source PublicationAtmospheric Environment
Volume185Issue:2018Pages:196-206
Subtype期刊论文
AbstractHousehold solid fuel combustion for heating and cooking in rural areas is an important source of fine particulate matter (PM2.5) in northwestern China, which largely contributes to PM2.5 personal exposure concentrations during the cold winter. There is a general lack of understanding about the personal exposure to PM2.5 and to its chemical components emitted from domestic solid fuel combustion in northwestern Chinese rural populations. In this work, personal exposure to PM2.5 was sampled using a portative device together with fixed indoor and outdoor fixed samplings in Guanzhong Plain in December 2016 for the purpose of characterizing personal exposure to PM2.5 as a function of different solid fuels used in rural households. The average housewife's personal exposure to PM2.5 concentration was 263.4 ± 105.8 μg m−3 (1σ, n = 30), which was about 40% higher than the values found indoors (186.5 ± 79.5 μg m−3, 1σ, n = 30) and outdoors (191.0 ± 85.3 μg m−3, 1σ, n = 30). High personal exposure PM2.5 levels were mainly related to the ignition of solid fuels for heating and cooking. Correlations among personal exposure, indoor and outdoor PM2.5 levels and their mutual ratios were computed to investigate how personal exposure to fine aerosols can be related to microenvironmental PM2.5 levels and to individual activities. The results showed that households using electric power for heating and cooking were characterized by an average personal exposure PM2.5 value of 156.8 ± 36.6 μg m−3 (1σ, n = 6) while personal exposure to PM2.5 in households using solid fuels was twice higher (310.8 ± 90.4 μg m−3, 1σ, n = 24). Solid fuel combustion products and related secondary formed species dominated PM2.5 mass in personal exposure, indoor and outdoor samples. Motor vehicle emission and various dust sources were two other main contributors identified. Our results demonstrated that the use of clean energy could be an effective measure to reduce personal exposure levels of PM2.5 emitted from domestic solid fuels combustion in winter in rural areas, which implied that the government should speed up the upgrade of the heating and cooking equipment fleet to protect the health of rural residents in northwestern China.
KeywordPersonal Exposure Pm2.5 Solid Fuel Combustion Household Air Pollution Ambient Air Pollution
DOI10.1016/j.atmosenv.2018.05.018
Indexed BySCI
Project Number41503096 ; KHK1712 ; SKLLQG1722 ; 412413
Language英语
Funding OrganizationNatural Science Foundation ofChina ; Natural Science Foundation ofChina ; Jiangsu Key Laboratory ofAtmospheric Environment Monitoring and Pollution Control ; Jiangsu Key Laboratory ofAtmospheric Environment Monitoring and Pollution Control ; State Key Laboratory of Loess andQuaternary Geology, Institute of Earth Environment, CAS ; State Key Laboratory of Loess andQuaternary Geology, Institute of Earth Environment, CAS ; Research Grants Council of the Hong Kong SpecialAdministrative Region of China ; Research Grants Council of the Hong Kong SpecialAdministrative Region of China
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Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/5333
Collection粉尘与环境研究室
Corresponding AuthorXu,Hongmei
Affiliation1.Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an, China
2.Collaborative Innovation Center of Atmospheric Environment and Equipment Technology, Jiangsu Key Laboratory of Atmospheric Environment Monitoring and PollutionControl (AEMPC), Nanjing University of Information Science & Technology, Nanjing, China
3.SKLLQG, Key Lab of Aerosol Chemistry & Physics, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an, China
4.Health Science Center, Xi'an Jiaotong University, Xi'an, China
5.Laboratoire d’Aérologie, Université de Toulouse, CNRS, UPS, France
6.NICU, Xi'an Children's Hospital, Xi'an, China
7.JC School of Public Health and Primary Care, The Chinese University of Hong Kong, Hong Kong, China
8.Xi'an Polytechnic University, Xi'an, China
Recommended Citation
GB/T 7714
Xu,HM,Li,YQ,Guinot, Benjamin,et al. Personal exposure of PM2.5 emitted from solid fuels combustion forhousehold heating and cooking in rural Guanzhong Plain, northwesternChina[J]. Atmospheric Environment,2018,185(2018):196-206.
APA Xu,HM.,Li,YQ.,Guinot, Benjamin.,Wang,JH.,He,KL.,...&Xu,Hongmei.(2018).Personal exposure of PM2.5 emitted from solid fuels combustion forhousehold heating and cooking in rural Guanzhong Plain, northwesternChina.Atmospheric Environment,185(2018),196-206.
MLA Xu,HM,et al."Personal exposure of PM2.5 emitted from solid fuels combustion forhousehold heating and cooking in rural Guanzhong Plain, northwesternChina".Atmospheric Environment 185.2018(2018):196-206.
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