Synergetic effects of NH3 and NOx on the production and optical absorption of secondary organic aerosol formation from toluene photooxidation
Shijie Liu,Dandan Huang,Yiqian Wang,Si Zhang,Xiaodi Liu,Can Wu,Wei Du,and Gehui Wang
Shijie Liu
Key Lab of Geographic Information Science of the Ministry of
Education, School of Geographic Sciences, East China Normal University,
Shanghai 210062, China
State Environmental Protection Key Laboratory of Formation and
Prevention of the Urban Air Pollution Complex, Shanghai Academy of
Environmental Sciences, Shanghai 200233, China
Yiqian Wang
Key Lab of Geographic Information Science of the Ministry of
Education, School of Geographic Sciences, East China Normal University,
Shanghai 210062, China
Si Zhang
Key Lab of Geographic Information Science of the Ministry of
Education, School of Geographic Sciences, East China Normal University,
Shanghai 210062, China
Xiaodi Liu
Key Lab of Geographic Information Science of the Ministry of
Education, School of Geographic Sciences, East China Normal University,
Shanghai 210062, China
Can Wu
Key Lab of Geographic Information Science of the Ministry of
Education, School of Geographic Sciences, East China Normal University,
Shanghai 210062, China
Wei Du
Key Lab of Geographic Information Science of the Ministry of
Education, School of Geographic Sciences, East China Normal University,
Shanghai 210062, China
Key Lab of Geographic Information Science of the Ministry of
Education, School of Geographic Sciences, East China Normal University,
Shanghai 210062, China
Institute of Eco-Chongming, Cuiniao Road, Chengjia Zheng, Shanghai
202150, China
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A series of chamber experiments was performed to probe the individual and common effects of NH3 and NOx on toluene secondary organic aerosol (SOA) formation through OH photooxidation. The synergetic effects of NH3 and NOx on the toluene SOA concentration and optical absorption were observed. The higher-volatility products formed in the presence of NOx could precipitate into the particle phase when NH3 was added. The formation pathways of N-containing OAs through NOx or NH3 are also discussed.
A series of chamber experiments was performed to probe the individual and common effects of NH3...
