Severe air pollution events not avoided by reduced anthropogenic activities during COVID-19 outbreak
Due to the pandemic of coronavirus disease 2019 in China, almost all avoidable activities in
China are prohibited since Wuhan announced lockdown on January 23, 2020. With reduced …
China are prohibited since Wuhan announced lockdown on January 23, 2020. With reduced …
Abundant NH3 in China Enhances Atmospheric HONO Production by Promoting the Heterogeneous Reaction of SO2 with NO2
S Ge, G Wang, S Zhang, D Li, Y Xie, C Wu… - Environmental …, 2019 - ACS Publications
High levels of HONO have frequently been observed in Chinese haze periods and
underestimated by current models due to some unknown sources and formation …
underestimated by current models due to some unknown sources and formation …
Persistent high PM2. 5 pollution driven by unfavorable meteorological conditions during the COVID-19 lockdown period in the Beijing-Tianjin-Hebei region, China
Lockdown measures to curtail the COVID-19 pandemic in China halted most non-essential
activities on January 23, 2020. Despite significant reductions in anthropogenic emissions …
activities on January 23, 2020. Despite significant reductions in anthropogenic emissions …
[HTML][HTML] Ammonium nitrate promotes sulfate formation through uptake kinetic regime
Y Liu, Z Feng, F Zheng, X Bao, P Liu… - Atmospheric …, 2021 - acp.copernicus.org
Although the anthropogenic emissions of SO 2 have decreased significantly in China, the
decrease in SO 4 2-in PM 2.5 is much smaller than that of SO 2. This implies an enhanced …
decrease in SO 4 2-in PM 2.5 is much smaller than that of SO 2. This implies an enhanced …
Rapid sulfate formation from synergetic oxidation of SO2 by O3 and NO2 under ammonia-rich conditions: Implications for the explosive growth of atmospheric PM2. 5 …
S Zhang, D Li, S Ge, S Liu, C Wu, Y Wang… - Science of the Total …, 2021 - Elsevier
Extremely high levels of atmospheric sulfate aerosols have still frequently occurred in China
especially in winter haze periods and often been underestimated by models due to some …
especially in winter haze periods and often been underestimated by models due to some …
Study on the characteristics of sulfate ion in condensable particulate matter from ultra-low emission coal-fired power plants
F Zhang, L Yang, Z Sheng, T Wu, T Hu - Journal of Cleaner Production, 2023 - Elsevier
Abstract The sulfate ion (SO 4 2−) in condensable particulate matters (CPM) discharged by
ultra-low emission coal-fired power plants has caused a series of environmental problems …
ultra-low emission coal-fired power plants has caused a series of environmental problems …
Changes in ammonia and its effects on PM2. 5 chemical property in three winter seasons in Beijing, China
Z Meng, L Wu, X Xu, W Xu, R Zhang, X Jia… - Science of The Total …, 2020 - Elsevier
Abstract NH 3, SO 2, NO x and the inorganic ions of PM 2.5 in winter 2009, 2014 and 2016
were examined to investigate the change in NH 3 and aerosol chemistry in Beijing, China …
were examined to investigate the change in NH 3 and aerosol chemistry in Beijing, China …
Intensified wintertime secondary inorganic aerosol formation during heavy haze pollution episodes (HPEs) in Beijing, China
Air pollution in China is complex, and the formation mechanism of chemical components in
particulate matter is still unclear. This study selected three consecutive heavy haze pollution …
particulate matter is still unclear. This study selected three consecutive heavy haze pollution …
Influence of Chinese New Year overlapping COVID-19 lockdown on HONO sources in Shijiazhuang
Y Liu, S Ni, T Jiang, S Xing, Y Zhang, X Bao… - Science of the Total …, 2020 - Elsevier
Nitrous acid (HONO) is an important precursor of hydroxyl radical (OH) in the atmosphere. It
is also toxic to human health. In this work, HONO concentrations were measured in …
is also toxic to human health. In this work, HONO concentrations were measured in …
Molecular characteristics, source contributions, and exposure risks of polycyclic aromatic hydrocarbons in the core city of Central Plains Economic Region, China …
In this study, molecular characteristics, source contributions, and health risks of polycyclic
aromatic hydrocarbons (PAHs) in PM 2.5 for four haze levels in Zhengzhou, a megacity in …
aromatic hydrocarbons (PAHs) in PM 2.5 for four haze levels in Zhengzhou, a megacity in …