The acidity of atmospheric particles and clouds

HOT Pye, A Nenes, B Alexander, AP Ault… - Atmospheric …, 2020‏ - acp.copernicus.org
Acidity, defined as pH, is a central component of aqueous chemistry. In the atmosphere, the
acidity of condensed phases (aerosol particles, cloud water, and fog droplets) governs the …

Multiphase oxidation of sulfur dioxide in aerosol particles: Implications for sulfate formation in polluted environments

T Liu, AWH Chan, JPD Abbatt - Environmental Science & …, 2021‏ - ACS Publications
Atmospheric oxidation of sulfur dioxide (SO2) forms sulfate-containing aerosol particles that
impact air quality, climate, and human and ecosystem health. It is well-known that in-cloud …

Abating ammonia is more cost-effective than nitrogen oxides for mitigating PM2.5 air pollution

B Gu, L Zhang, R Van Dingenen, M Vieno… - Science, 2021‏ - science.org
Fine particulate matter (PM2. 5, particles with a mass median aerodynamic diameter of less
than 2.5 micrometers) in the atmosphere is associated with severe negative impacts on …

Fast sulfate formation from oxidation of SO2 by NO2 and HONO observed in Bei**g haze

J Wang, J Li, J Ye, J Zhao, Y Wu, J Hu, D Liu… - Nature …, 2020‏ - nature.com
Severe events of wintertime particulate air pollution in Bei**g (winter haze) are associated
with high relative humidity (RH) and fast production of particulate sulfate from the oxidation …

[HTML][HTML] Exploring 2016–2017 surface ozone pollution over China: source contributions and meteorological influences

X Lu, L Zhang, Y Chen, M Zhou, B Zheng… - Atmospheric …, 2019‏ - acp.copernicus.org
Severe surface ozone pollution over major Chinese cities has become an emerging air
quality concern, raising a new challenge for emission control measures in China. In this …

Oxidation of sulfur dioxide by nitrogen dioxide accelerated at the interface of deliquesced aerosol particles

T Liu, JPD Abbatt - Nature Chemistry, 2021‏ - nature.com
Although the multiphase chemistry of SO2 in aerosol particles is of great importance to air
quality under polluted haze conditions, a fundamental understanding of the pertinent …

Hydrogen peroxide serves as pivotal fountainhead for aerosol aqueous sulfate formation from a global perspective

J Gao, H Wang, W Liu, H Xu, Y Wei, X Tian… - Nature …, 2024‏ - nature.com
Traditional atmospheric chemistry posits that sulfur dioxide (SO2) can be oxidized to sulfate
(SO42–) through aqueous-phase reactions in clouds and gas-phase oxidation. Despite …

Fast oxidation of sulfur dioxide by hydrogen peroxide in deliquesced aerosol particles

T Liu, SL Clegg, JPD Abbatt - Proceedings of the National Academy of …, 2020‏ - pnas.org
Atmospheric sulfate aerosols have important impacts on air quality, climate, and human and
ecosystem health. However, current air-quality models generally underestimate the rate of …

[HTML][HTML] Formation mechanisms of atmospheric nitrate and sulfate during the winter haze pollution periods in Bei**g: gas-phase, heterogeneous and aqueous-phase …

P Liu, C Ye, C Xue, C Zhang, Y Mu… - … Chemistry and Physics, 2020‏ - acp.copernicus.org
A vast area in China is currently going through severe haze episodes with drastically
elevated concentrations of PM 2.5 in winter. Nitrate and sulfate are the main constituents of …

Control of particulate nitrate air pollution in China

S Zhai, DJ Jacob, X Wang, Z Liu, T Wen, V Shah… - Nature …, 2021‏ - nature.com
The concentration of fine particulate matter (PM2. 5) across China has decreased by 30–
50% over the period 2013–2018 due to stringent emission controls. However, the nitrate …