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Effects of NH3 and alkaline metals on the formation of particulate sulfate and nitrate in wintertime Beijing
Huang, Ru Jin1; Duan, Jing1; Li, Yongjie2; Chen, Qi3; Chen, Yang4; Tang, Mingjin5; Yang, Lu1; Ni, Haiyan1,6; Lin, Chunshui1,7; Xu, Wei1,7; Liu, Ying8; Chen, Chunying8; Yan, Zhen9; Ovadnevaite, Jurgita7; Ceburnis, Darius7; Dusek, Uli6; Cao, Junji1; Hoffmann, Thorsten10; O'Dowd, Colin D.7
2020-05-15
Source PublicationScience of the Total Environment
ISSN0048-9697
Volume717Pages:137190
Abstract

Sulfate and nitrate from secondary reactions remain as the most abundant inorganic species in atmospheric particle matter (PM). Their formation is initiated by oxidation (either in gas phase or particle phase), followed by neutralization reaction primarily by NH, or by other alkaline species such as alkaline metal ions if available. The different roles of NH and metal ions in neutralizing HSO or HNO, however, are seldom investigated. Here we conducted semi-continuous measurements of SO , NO , NH , and their gaseous precursors, as well as alkaline metal ions (Na, K, Ca, and Mg) in wintertime Beijing. Analysis of aerosol acidity (estimated from a thermodynamic model) indicated that preferable sulfate formation was related to low pH conditions, while high pH conditions promote nitrate formation. Data in different mass fraction ranges of alkaline metal ions showed that in some ranges the role of NH was replaced by alkaline metal ions in the neutralization reaction of HSO and HNO to form particulate SO and NO . The relationships between mass fractions of SO and NO in those ranges of different alkaline metal ion content also suggested that alkaline metal ions participate in the competing neutralization reaction of sulfate and nitrate. The implication of the current study is that in some regions the chemistry to incorporate sulfur and nitrogen into particle phase might be largely affected by desert/fugitive dust and sea salt, besides NH. This implication is particularly relevant in coastal China and those areas with strong influence of dust storm in the North China Plain (NCP), both of which host a number of megacities with deteriorating air quality.

KeywordSulfate Nitrate Ammonia Alkaline Metals
DOI10.1016/j.scitotenv.2020.137190
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000519994800048
PublisherELSEVIER, RADARWEG 29, 1043 NX AMSTERDAM, NETHERLANDS
Scopus ID2-s2.0-85079222099
Fulltext Access
FWCI1.183097
Citation statistics
Document TypeJournal article
CollectionFaculty of Science and Technology
DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorHuang, Ru Jin; Li, Yongjie; Chen, Qi
Affiliation1.Key Laboratory of Aerosol Chemistry and Physics, State Key Laboratory of Loess and Quaternary Geology, CAS Center for Excellence in Quaternary Science and Global Change, Institute of Earth and Environment, Chinese Academy of Sciences, Xi'an, 710061, China
2.Department of Civil and Environmental Engineering, Faculty of Science and Technology, University of Macau, Taipa, China
3.State Key Joint Laboratory of Environmental Simulation and Pollution Control, College of Environmental Sciences and Engineering, Peking University, Beijing, China
4.Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing, 400714, China
5.State Key Laboratory of Organic Geochemistry and Guangdong Key Laboratory of Environmental Protection and Resources Utilization, Guangzhou Institute of Geochemistry, Chinese Academy of Sciences, Guangzhou, China
6.Centre for Isotope Research (CIO), Energy and Sustainability Research Institute Groningen (ESRIG), University of Groningen, Netherlands
7.School of Physics and Centre for Climate and Air Pollution Studies, Ryan Institute, National University of Ireland Galway, University Road, Galway, Ireland
8.CAS Key Laboratory for Biological Effects of Nanomaterials and Nanosafety, National Centre for Nanoscience and Technology, Beijing, 100191, China
9.Metrohm China Ltd., Shanghai, 200335, China
10.Institute of Inorganic and Analytical Chemistry, Johannes Gutenberg University of Mainz, Mainz, Duesbergweg 10-14, 55128, Germany
Corresponding Author AffilicationFaculty of Science and Technology
Recommended Citation
GB/T 7714
Huang, Ru Jin,Duan, Jing,Li, Yongjie,et al. Effects of NH3 and alkaline metals on the formation of particulate sulfate and nitrate in wintertime Beijing[J]. Science of the Total Environment,2020,717:137190.
APA Huang, Ru Jin,Duan, Jing,Li, Yongjie,Chen, Qi,Chen, Yang,Tang, Mingjin,Yang, Lu,Ni, Haiyan,Lin, Chunshui,Xu, Wei,Liu, Ying,Chen, Chunying,Yan, Zhen,Ovadnevaite, Jurgita,Ceburnis, Darius,Dusek, Uli,Cao, Junji,Hoffmann, Thorsten,&O'Dowd, Colin D..(2020).Effects of NH3 and alkaline metals on the formation of particulate sulfate and nitrate in wintertime Beijing.Science of the Total Environment,717,137190.
MLA Huang, Ru Jin,et al."Effects of NH3 and alkaline metals on the formation of particulate sulfate and nitrate in wintertime Beijing".Science of the Total Environment 717(2020):137190.
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