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Insight into the contributions of primary emissions of sulfate, nitrate, and ammonium from residential solid fuels to ambient PM2.5 by Yue Zhang; Yiming Yang; Leiming Zhang; Hongmei Xu; Jian Sun; Tao Wang; Fangxiang Li; Xiaojian Chang; Steven Sai Hang Ho; Bin Li; Bing Wang; Junji Cao; Zhenxing Shen is a Earth and Planetary Sciences article available to read on EtoBox.
What is Insight into the contributions of primary emissions of sulfate, nitrate, and ammonium from residential solid fuels to ambient PM2.5 about?
Understanding the primary emissions of sulfate (SO4 2−), nitrate (NO3 −), and ammonium (NH4 +) (SNA) from solid fuels (coal and biomass) combustion is important to study their roles in haze formation and particle growth. In this study, direct emissions of SNA and other inorganic ions (including Na+, K+, Mg2+, Ca2+, and Cl−) in fine particulate matter (PM2.5) from residential coal combustion (RCC) and biomass burning (BB) were quantified through combustion chamber experiments. Emission factors (EFs) of the total quantified ions for the five types of solid fuels are in the range of 178–3880 mg/kg, accounting for 5.8%–41.1% of the emitted PM2.5 mass. The average proportions of SO4 2−, NO3 −, and NH4 + in PM2.5 emitted from RCC are 3.7%, 0.9%, and 1.0%, respectively, in comparison to 1.3%, 0.8%, and 0.1%, respectively, for BB. Despite the variations of SNA proportions seen among the solid fuel types, SO4 2− is the most dominating inorganic ion, consistent with the emission profiles shown in other literatures. Similar mass fraction and its range of SO4 2− are found between RCC and ambient in the northern cities, implying that the primary emission from RCC is a significant source contrib
Who reads Insight into the contributions of primary emissions of sulfate, nitrate, and ammonium from residential solid fuels to ambient PM2.5?
It is typically read by researchers, students, and practitioners in Earth and Planetary Sciences.
- Author
- Yue Zhang; Yiming Yang; Leiming Zhang; Hongmei Xu; Jian Sun; Tao Wang; Fangxiang Li; Xiaojian Chang; Steven Sai Hang Ho; Bin Li; Bing Wang; Junji Cao; Zhenxing Shen
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Earth and Planetary Sciences (Physical Sciences)