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Chemical source profiles of particulate matter and gases emitted from solid fuels for residential cooking and heating scenarios in Qinghai-Tibetan Plateau
Sun, Jian1,2; Shen, Zhenxing1,2; Zhang, Bin1; Zhang, Leiming3; Zhang, Yue1; Zhang, Qian4; Wang, Diwei1; Huang, Yu2; Liu, Suixin2; Cao, Junji2
通讯作者Shen, Zhenxing(zxshen@mail.xjtu.edu.cn)
2021-09-15
发表期刊ENVIRONMENTAL POLLUTION
ISSN0269-7491
卷号285页码:10
摘要Incomplete combustion of solid fuels (animal dung and bituminous coal) is a common phenomenon during residential cooking and heating in the Qinghai-Tibetan Plateau (QTP), resulting in large amounts of pollutants emitted into the atmosphere. This study investigated the pollutant emissions from six burning scenarios (heating and cooking with each of the three different fuels: yak dung, sheep dung, and bitumite) in the QTP's pastoral dwellings. Target pollutants such as carbon monoxide (CO), gas-phase polycyclic aromatic hydrocarbons (PAHs), volatile organic compounds (VOCs), fine particles (PM2.5, particulate matter with an aerodynamic diameter < 2.5 mu m), carbonaceous aerosols, water-soluble ions, and particle-phase PAHs were investigated. Emission factors (EFs) (mean +/- standard deviation) of PM2.5 from the six scenarios were in the range of 1.21 +/- 0.47-7.03 +/- 1.95 g kg(-1), of which over 60% mass fractions were carbonaceous aerosols. The ratio of organic carbon to elemental carbon ranged from 9.6 +/- 2.7-33.4 +/- 11.5 and 81.7 +/- 30.4-91.9 +/- 29.0 for dung and bitumite burning, respectively. These values were much larger than those reported in the literature, likely because of the region's high altitudes-where the oxygen level is approximately 65% of that at the sea level-thus providing a deficient air supply to stoves. However, the toxicity and carcinogenicity of PAHs emitted from solid fuel combustion in the QTP are significant, despite a slightly lower benzo(a)pyrene-equivalent carcinogenic potency (Bap(eq)) in this study than in the literature. The gas-to-particle partitioning coefficient of PAHs and VOC emission profiles in the QTP differed significantly from those reported for other regions in the literature. More attention should be paid to the emissions of PAH derivatives (oxygenated PAHs and nitro-PAHs), considering their enhanced lightabsorbing ability and high BaPeq from solid fuel combustion in the QTP.
关键词Dung cake combustion Emission factor PAHs VOCs Pollutants source profiles
DOI10.1016/j.envpol.2021.117503
关键词[WOS]POLYCYCLIC AROMATIC-HYDROCARBONS ; ORGANIC-COMPOUNDS VOCS ; EMISSION FACTORS ; COAL COMBUSTION ; HOUSEHOLD STOVES ; GUANZHONG PLAIN ; AIR-POLLUTION ; YAK DUNG ; CARBONACEOUS PARTICLES ; SEASONAL-VARIATION
收录类别SCI ; SCI
语种英语
资助项目National Natural Science Foundation of China[41877383] ; National Natural Science Foundation of China[41907188] ; Hunan Provincial Key Research and Development Program[2018SK2039] ; SKLLQG, Chinese Academy of Sciences[SKLLQG1919] ; China Postdoctoral Science Foundation[2019M653658]
WOS研究方向Environmental Sciences & Ecology
项目资助者National Natural Science Foundation of China ; Hunan Provincial Key Research and Development Program ; SKLLQG, Chinese Academy of Sciences ; China Postdoctoral Science Foundation
WOS类目Environmental Sciences
WOS记录号WOS:000685348400001
出版者ELSEVIER SCI LTD
引用统计
被引频次:21[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ieecas.cn/handle/361006/16925
专题粉尘与环境研究室
通讯作者Shen, Zhenxing
作者单位1.Xi An Jiao Tong Univ, Dept Environm Sci & Engn, Xian 710049, Peoples R China
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710049, Peoples R China
3.Environm & Climate Change Canada, Sci & Technol Branch, Air Qual Res Div, Toronto, ON, Canada
4.Xian Univ Architecture & Technol, Key Lab Northwest Resource Environm & Ecol, MOE, Xian 710055, Peoples R China
推荐引用方式
GB/T 7714
Sun, Jian,Shen, Zhenxing,Zhang, Bin,et al. Chemical source profiles of particulate matter and gases emitted from solid fuels for residential cooking and heating scenarios in Qinghai-Tibetan Plateau[J]. ENVIRONMENTAL POLLUTION,2021,285:10.
APA Sun, Jian.,Shen, Zhenxing.,Zhang, Bin.,Zhang, Leiming.,Zhang, Yue.,...&Cao, Junji.(2021).Chemical source profiles of particulate matter and gases emitted from solid fuels for residential cooking and heating scenarios in Qinghai-Tibetan Plateau.ENVIRONMENTAL POLLUTION,285,10.
MLA Sun, Jian,et al."Chemical source profiles of particulate matter and gases emitted from solid fuels for residential cooking and heating scenarios in Qinghai-Tibetan Plateau".ENVIRONMENTAL POLLUTION 285(2021):10.
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