DISTRIBUTION AND CHARACTERIZATION OF POLYCYCLIC AROMATIC HYDROCARBON COMPOUNDS IN AIRBORNE PARTICULATES OF EAST ASIA  

作　　者：Yan Liu Libin Liu Jin-Ming Lin Ning Tang Kazuichi Hayakawa 

机构地区：[1]State Key Laboratory of Environmental Chemistry and Ecotoxicology, Research Center for Eco-Environmental Sciences Chinese Academy of Sciences, p.o. Box 2871, Beijing 100085, China [2]Graduate School of Natural Science and Technology, Faculty of Pharmaceutical Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan

出　　处：《China Particuology》2006年第6期283-292,共10页

基　　金：The authors gratefully acknowledge financial support of the National Natural Science Foundation of China （Nos. 20437020, 20575073）; NSFC-JSPS Joint Research Project （No. 20511140134） ; Major Research Program of Chinese Academy of Sciences （KZCX3-SW-432）.

摘　　要：A review is presented on the distribution and characterization of polycyclic aromatic hydrocarbons （PAHs） and their derivatives, including nitro-PAHs and hydro-PAHs, on atmospheric particulates of East Asia. Generally, PAH compounds with two or three aromatic rings are released mainly into the gas phase, while those containing three or more aromatic rings are associated with particulate matter （PM） emission. Particle-associated PAHs are primarily adsorbed on fine particles, and little associated with coarse particles. Investigation into the concentration level of PAHs in different areas can serve not only to reflect the pollutant status and sources but also to lead to the formulation of control strategies. The results of the present study show that China has more severe PAH pollution than such East Asian countries as Japan and Korea.A review is presented on the distribution and characterization of polycyclic aromatic hydrocarbons （PAHs） and their derivatives, including nitro-PAHs and hydro-PAHs, on atmospheric particulates of East Asia. Generally, PAH compounds with two or three aromatic rings are released mainly into the gas phase, while those containing three or more aromatic rings are associated with particulate matter （PM） emission. Particle-associated PAHs are primarily adsorbed on fine particles, and little associated with coarse particles. Investigation into the concentration level of PAHs in different areas can serve not only to reflect the pollutant status and sources but also to lead to the formulation of control strategies. The results of the present study show that China has more severe PAH pollution than such East Asian countries as Japan and Korea.

关 键 词：polycyclic aromatic hydrocarbon （PAH） airborne particulates DISTRIBUTION East Asia REVIEW 

分 类 号：P402[天文地球—大气物理学与大气环境] X511[天文地球—大气科学及气象学]