Characterization of Aerosol Properties from the Burning Emissions of Typical Residential Fuels on the Tibetan Plateau

Xinghua Zhang; Jianzhong Xu; Lixiang Zhai

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Characterization of Aerosol Properties from the Burning Emissions of Typical Residential Fuels on the Tibetan Plateau

机译：Characterization of Aerosol Properties from the Burning Emissions of Typical Residential Fuels on the Tibetan Plateau

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The Tibet Autonomous Region in China is a unique place with high altitude and special Tibetan culture.The residents have different living habits and domestic fuels from those in other parts of China,however,knowledge on the emission characteristics of local residential fuels remain poorly understood until now.In this study,nine popular residential fuels in the Tibet are burned in situ to study the aerosol chemical compositions,mass spectral signatures,and emission characteristics from their burning emissions.Overall,emissions of particulate and gaseous pollutants depend strongly on the burning conditions,in addition to the fuel constituents themselves.Burning the biofuels of yak dung,WeiSang mixture fuels,and two powdery Tibetan incenses with relatively low combustion efficiencies can emit large amounts of CO and aerosols,especially organic aerosols(>90)with large diameters.In contrast,burning of wood,coal,ghee lamp,stick-like Tibetan incense,and diesel can release abundant CO2 but fewer aerosols from their flaming combustion.A comprehensive database consisting of the high-resolution mass spectra of organics and emission factors of multiple chemical components are established.Distinctly different mass spectral signatures are found among the different fuels,in particularly those unique Tibetan biofuels.All these findings have significant implications for the identification of aerosol sources,compilation of pollutant emission inventories,and assessment of potential environment effects in this remote region.

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来源
《Environmental Science & Technology: ES&T》 |2022年第20期|14296-14305|共10页
作者
Xinghua Zhang; Jianzhong Xu; Lixiang Zhai;
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作者单位

State Key Laboratory of Cryospheric Sciences,Northwest Institute of Eco-Environment and Resources,Chinese Academy of Sciences,Lanzhou 730000,China;

State Key Laboratory of Cryospheric Sciences,Northwest Institute oj Eco-Environment and Resources,Chinese Academy of Sciences,Lanzhou 730000,China;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种英语
中图分类环境科学、安全科学;
关键词
Tibetan; residential fuels; combustion experiment; aerosol emission; high-resolution mass spectra(HR-MS);

Characterization of Aerosol Properties from the Burning Emissions of Typical Residential Fuels on the Tibetan Plateau

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