Morphology, composition, and mixing state of primary particles from combustion sources — crop residue, wood, and solid waste

被引:0
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作者
Lei Liu
Shaofei Kong
Yinxiao Zhang
Yuanyuan Wang
Liang Xu
Qin Yan
A. P. Lingaswamy
Zongbo Shi
Senlin Lv
Hongya Niu
Longyi Shao
Min Hu
Daizhou Zhang
Jianmin Chen
Xiaoye Zhang
Weijun Li
机构
[1] Shandong University,Environment Research Institute
[2] China University of Geosciences,School of Environmental Studies
[3] Nanjing University of Information Science and Technology,College of Atmospheric Physics
[4] University of Birmingham,School of Geography, Earth and Environmental Sciences
[5] Shanghai University,School of Environmental and Chemical Engineering
[6] Hebei University of Engineering,Key Laboratory of Resource Exploration Research of Hebei Province
[7] China University of Mining and Technology,State Key Laboratory of Coal Resources and Safe Mining
[8] Peking University,State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering
[9] Prefectural University of Kumamoto,Faculty of Environmental and Symbiotic Sciences
[10] Fudan University,Shanghai Key Laboratory of Atmospheric Particle Pollution and Prevention, Department of Environmental Science and Engineering
[11] Chinese Academy of Meteorological Sciences,Key Laboratory of Atmospheric Chemistry of CMA, Institute of Atmospheric Composition
[12] Zhejiang University,Department of Atmospheric Sciences, School of Earth Sciences
来源
Scientific Reports | / 7卷
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摘要
Morphology, composition, and mixing state of individual particles emitted from crop residue, wood, and solid waste combustion in a residential stove were analyzed using transmission electron microscopy (TEM). Our study showed that particles from crop residue and apple wood combustion were mainly organic matter (OM) in smoldering phase, whereas soot-OM internally mixed with K in flaming phase. Wild grass combustion in flaming phase released some Cl-rich-OM/soot particles and cardboard combustion released OM and S-rich particles. Interestingly, particles from hardwood (pear wood and bamboo) and softwood (cypress and pine wood) combustion were mainly soot and OM in the flaming phase, respectively. The combustion of foam boxes, rubber tires, and plastic bottles/bags in the flaming phase released large amounts of soot internally mixed with a small amount of OM, whereas the combustion of printed circuit boards and copper-core cables emitted large amounts of OM with Br-rich inclusions. In addition, the printed circuit board combustion released toxic metals containing Pb, Zn, Sn, and Sb. The results are important to document properties of primary particles from combustion sources, which can be used to trace the sources of ambient particles and to know their potential impacts in human health and radiative forcing in the air.
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