A new advance in the pollution profile, transformation process, and contribution to aerosol formation and aging of atmospheric amines

被引:28
作者
Shen, Xinlin [1 ]
Chen, Jiangyao [1 ,2 ]
Li, Guiying [1 ,2 ]
An, Taicheng [1 ,2 ]
机构
[1] Guangdong Univ Technol, Inst Environm Hlth & Pollut Control, Guangdong Key Lab Environm Catalysis & Hlth Risk C, Guangdong Hong Kong Macao Joint Lab Contaminants E, Hong Kong 510006, Guangdong, Peoples R China
[2] Guangdong Univ Technol, Guangdong Technol Res Ctr Photocatalyt Technol Int, Sch Environm Sci & Engn, Guangzhou Key Lab Environm Catalysis & Pollut Cont, Guangzhou 510006, Peoples R China
来源
ENVIRONMENTAL SCIENCE-ATMOSPHERES | 2023年 / 3卷 / 03期
基金
中国国家自然科学基金;
关键词
SECONDARY ORGANIC AEROSOL; GAS-PHASE REACTIONS; IONIZATION MASS-SPECTROMETER; MAPPING GASEOUS DIMETHYLAMINE; POSTCOMBUSTION CO2 CAPTURE; TRIMETHYLAMINE-N-OXIDE; CHINA MARGINAL SEAS; SULFURIC ACID-AMINE; ALIPHATIC-AMINES; PARTICLE FORMATION;
D O I
10.1039/d2ea00167e
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Amines, formed with the replacement of hydrogen atoms by NH3 molecules of volatile organic compounds, possess distinctive properties of alkalinity, volatility, water-solubility and oxidability and have attracted more and more attention due to their significant contributions to atmospheric pollution during the past few decades. To understand the environmental behaviors of amines in the atmospheric pollution process, this review mainly summarizes a new advance in sources and sinks of amines and their effects on atmospheric particulate matter (PM) formation and climate evolution within the last decade. First, the pollution profiles and source identification of amines are summarized. Some newfound sources of amines are correspondingly updated. Meanwhile, the current monitoring methods of amines are also evaluated. Second, the atmospheric oxidation reaction mechanisms of amines with various active radicals are discussed. Third, the combined data of field monitoring, laboratory experiments and theoretical calculations verified that amines contribute significantly to aerosol particles, including oxidation product condensation, direct dissolution, acid-base reactions and replacement reactions. Besides, we discussed how amines affect the climate directly or indirectly by generating brown carbon in PM, enhancing hygroscopicity and activating cloud condensation nuclei. All in all, the review provides new insights into the overall atmospheric circulation and final fate of amines as well as their effects on atmospheric aerosol particle formation and the climate.
引用
收藏
页码:444 / 473
页数:31
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