Articles | Volume 22, issue 11
https://doi.org/10.5194/acp-22-7259-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/acp-22-7259-2022
© Author(s) 2022. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Elucidating the critical oligomeric steps in secondary organic aerosol and brown carbon formation
Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure
and Health, Guangdong Key Laboratory of Environmental Catalysis and Health
Risk Control, Institute Environmental Health and Pollution Control,
Guangdong University of Technology, Guangzhou 510006, China
Guangzhou Key Laboratory of Environmental Catalysis and Pollution
Control, Key Laboratory of City Cluster Environmental Safety and Green
Development (Department of Education), School of Environmental Science and
Engineering, Guangdong University of Technology, Guangzhou 510006, China
Qiuju Shi
Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure
and Health, Guangdong Key Laboratory of Environmental Catalysis and Health
Risk Control, Institute Environmental Health and Pollution Control,
Guangdong University of Technology, Guangzhou 510006, China
Guangzhou Key Laboratory of Environmental Catalysis and Pollution
Control, Key Laboratory of City Cluster Environmental Safety and Green
Development (Department of Education), School of Environmental Science and
Engineering, Guangdong University of Technology, Guangzhou 510006, China
Xiaohui Ma
Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure
and Health, Guangdong Key Laboratory of Environmental Catalysis and Health
Risk Control, Institute Environmental Health and Pollution Control,
Guangdong University of Technology, Guangzhou 510006, China
Guangzhou Key Laboratory of Environmental Catalysis and Pollution
Control, Key Laboratory of City Cluster Environmental Safety and Green
Development (Department of Education), School of Environmental Science and
Engineering, Guangdong University of Technology, Guangzhou 510006, China
Lei Gao
Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure
and Health, Guangdong Key Laboratory of Environmental Catalysis and Health
Risk Control, Institute Environmental Health and Pollution Control,
Guangdong University of Technology, Guangzhou 510006, China
Guangzhou Key Laboratory of Environmental Catalysis and Pollution
Control, Key Laboratory of City Cluster Environmental Safety and Green
Development (Department of Education), School of Environmental Science and
Engineering, Guangdong University of Technology, Guangzhou 510006, China
Jiaxin Wang
Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure
and Health, Guangdong Key Laboratory of Environmental Catalysis and Health
Risk Control, Institute Environmental Health and Pollution Control,
Guangdong University of Technology, Guangzhou 510006, China
Guangzhou Key Laboratory of Environmental Catalysis and Pollution
Control, Key Laboratory of City Cluster Environmental Safety and Green
Development (Department of Education), School of Environmental Science and
Engineering, Guangdong University of Technology, Guangzhou 510006, China
Yixin Li
Department of Atmospheric Sciences, Texas A&M University, College
Station, Texas 77843, United States
Yanpeng Gao
Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure
and Health, Guangdong Key Laboratory of Environmental Catalysis and Health
Risk Control, Institute Environmental Health and Pollution Control,
Guangdong University of Technology, Guangzhou 510006, China
Guangzhou Key Laboratory of Environmental Catalysis and Pollution
Control, Key Laboratory of City Cluster Environmental Safety and Green
Development (Department of Education), School of Environmental Science and
Engineering, Guangdong University of Technology, Guangzhou 510006, China
Guiying Li
Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure
and Health, Guangdong Key Laboratory of Environmental Catalysis and Health
Risk Control, Institute Environmental Health and Pollution Control,
Guangdong University of Technology, Guangzhou 510006, China
Guangzhou Key Laboratory of Environmental Catalysis and Pollution
Control, Key Laboratory of City Cluster Environmental Safety and Green
Development (Department of Education), School of Environmental Science and
Engineering, Guangdong University of Technology, Guangzhou 510006, China
Renyi Zhang
Department of Atmospheric Sciences, Texas A&M University, College
Station, Texas 77843, United States
Taicheng An
CORRESPONDING AUTHOR
Guangdong-Hong Kong-Macao Joint Laboratory for Contaminants Exposure
and Health, Guangdong Key Laboratory of Environmental Catalysis and Health
Risk Control, Institute Environmental Health and Pollution Control,
Guangdong University of Technology, Guangzhou 510006, China
Guangzhou Key Laboratory of Environmental Catalysis and Pollution
Control, Key Laboratory of City Cluster Environmental Safety and Green
Development (Department of Education), School of Environmental Science and
Engineering, Guangdong University of Technology, Guangzhou 510006, China
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Short summary
The formation mechanisms of secondary organic aerosol and brown carbon from small α-carbonyls are still unclear. Thus, the mechanisms and kinetics of aqueous-phase reactions of glyoxal were investigated using quantum chemical and kinetic rate calculations. Several essential isomeric processes were identified, including protonation to yield diol/tetrol and carbenium ions as well as nucleophilic addition of carbenium ions to diol/tetrol and free methylamine/ammonia.
The formation mechanisms of secondary organic aerosol and brown carbon from small α-carbonyls...
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