Secondary inorganic aerosol formation
Web11 Apr 2024 · In order to reveal the pollution characteristics and sources of PM2.5, in this study, we collected PM2.5 filter membrane samples in Shihezi continuously from December 2024 to January 2024, and analyzed 10 kinds of water-soluble inorganic ions (WSIIs) and 24 inorganic elements (IEs), as well as organic carbon (OC) and elemental carbon (EC). The … Web28 Jun 2024 · Abstract. Contributions of various anthropogenic sources to the secondary inorganic aerosol (SIA) in Europe as well as the role of biogenic emissions on SIA formation were investigated using the three-dimensional regional model CAMx (comprehensive air quality model with extensions).
Secondary inorganic aerosol formation
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Web20 Apr 2024 · Here, the inorganic (NO3,inorg) and organic nitrate (NO3,org) formation regimes under aerosol liquid water (ALW) and aerosol acidity (pH) influences were … Web3 May 2024 · As the parameterization of heterogeneous reactions on different types of particles is not well established yet, we arbitrarily selected the uptake coefficients from …
Web25 Nov 2015 · The secondary organic aerosol (SOA) produced by the photooxidation of isoprene with and without inorganic seed is simulated using the Unified Partitioning Aerosol Phase Reaction (UNIPAR) model. Recent work has found the SOA formation of isoprene to be sensitive to both aerosol acidity ([H+]) and aerosol liquid water content (LWC) with the … Web1 Apr 2024 · Aerosols in Atmospheric Chemistry is a good starting point for those who are interested in studying and researching aerosol particles, especially for people who are either already starting a research project in the field and for those in the field who want to learn more about other areas within aerosols.
WebThe total suspended particulate (TSP) samples were collected from April 2013 to April 2014 at the urban location of Pokhara valley in western Nepal. The major aims were to study, quantify, and understand the concentrations and variations of TSP and major water-soluble inorganic ions (WSIIs) in the valley with limited data. The annual average TSP mass … Web26 Jan 2024 · On the other hand, secondary organic aerosols (SOA) can be formed through heterogeneous and aqueous reactions, and also from the oxidation of precursor gases, called parent hydrocarbons or volatile organic compounds (VOCs), and through the gas-particle partitioning process of oxygenated organic compounds (de Gouw & Jimenez, …
Web13 Oct 2014 · Aerosols can be directly emitted (primary) or formed through the gas-to-particle conversion process (secondary) in the atmosphere ( 6, 7 ). The primary aerosol sources include emissions from combustion, road or wind-blown dust, and plants, while the secondary formation processes include nucleation and growth by multiphase chemical …
Webreactive molecules forming the secondary inorganic aerosol (SIA) and secondary or-ganic aerosol (SOA). Sulfate (SO2− 4), nitrate (NO − 3) and ammonium (NH + 10 4) are the main … pirjo luotoWeb21 Feb 2024 · This work finds the shifting of secondary inorganic aerosol formation mechanisms during haze aggravation and explains the decisive role of aerosol liquid water on a broader scale (~ 500 μg m 3) in an ammonia-rich atmosphere based on the in situ … pirjo luomaWeb15 Dec 2024 · Dust-Dominated Coarse Particles as a Medium for Rapid Secondary Organic and Inorganic Aerosol Formation in Highly Polluted Air Dust-Dominated Coarse Particles as a Medium for Rapid Secondary Organic and Inorganic Aerosol Formation in Highly Polluted Air Environ Sci Technol. 2024 Dec 15;54 (24):15710-15721. doi: 10.1021/acs.est.0c07243. atlanta fairburn