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Author:

Sun, Jian (Sun, Jian.) | Shen, Zhenxing (Shen, Zhenxing.) | Zhang, Bin (Zhang, Bin.) | Zhang, Leiming (Zhang, Leiming.) | Zhang, Yue (Zhang, Yue.) | Zhang, Qian (Zhang, Qian.) | Wang, Diwei (Wang, Diwei.) | Huang, Yu (Huang, Yu.) | Liu, Suixin (Liu, Suixin.) | Cao, Junji (Cao, Junji.)

Indexed by:

EI SCIE PubMed Engineering Village

Abstract:

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 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 (Bapeq) 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 light-absorbing ability and high BaPeq from solid fuel combustion in the QTP. © 2021 Elsevier Ltd

Keyword:

Aerosols Air pollution Bituminous coal Coal combustion Housing Organic carbon Particles (particulate matter) Particulate emissions Polycyclic aromatic hydrocarbons Volatile organic compounds

Author Community:

  • [ 1 ] [Sun, Jian]Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 2 ] [Sun, Jian]The State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an; 710049, China
  • [ 3 ] [Shen, Zhenxing]Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 4 ] [Shen, Zhenxing]The State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an; 710049, China
  • [ 5 ] [Zhang, Bin]Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 6 ] [Zhang, Leiming]Air Quality Research Division, Science and Technology Branch, Environment and Climate Change Canada, Toronto, Canada
  • [ 7 ] [Zhang, Yue]Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 8 ] [Zhang, Qian]Key Laboratory of Northwest Resource, Environment and Ecology, MOE, Xi'an University of Architecture and Technology, Xi'an; 710055, China
  • [ 9 ] [Wang, Diwei]Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an; 710049, China
  • [ 10 ] [Huang, Yu]The State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an; 710049, China
  • [ 11 ] [Liu, Suixin]The State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an; 710049, China
  • [ 12 ] [Cao, Junji]The State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an; 710049, China

Reprint Author's Address:

  • [Shen, Zhenxing]Department of Environmental Science and Engineering, Xi'an Jiaotong University, Xi'an; 710049, China;;[Shen, Zhenxing]The State Key Laboratory of Loess and Quaternary Geology, Institute of Earth Environment, Chinese Academy of Sciences, Xi'an; 710049, China;;

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Source :

Environmental Pollution

ISSN: 0269-7491

Year: 2021

Volume: 285

8 . 0 7 1

JCR@2020

ESI Discipline: ENVIRONMENT/ECOLOGY;

ESI HC Threshold:30

CAS Journal Grade:2

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count: 33

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 16

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