Distribution of polycyclic aromatic hydrocarbons concentrations simultaneously obtained in gas, rainwater and particles
Distribution of polycyclic aromatic hydrocarbons concentrations simultaneously obtained in gas, rainwater and particles
复制标题
同时获得的气体、雨水和颗粒物中多环芳烃浓度分布
DOI：
10.1007/s11869-013-0234-7
复制
发表时间：
2014
期刊：
影响因子：
--
通讯作者：
N. Takenaka
中科院分区：
文献类型：
--
作者：
P. Q. Thang;T. Taniguchi;Y. Nabeshima;H. Bandow;N. Q. Trung;N. Takenaka
本研究报告了2010年至2012年在日本大坂的降雨事件中同时获得的气体/雨/颗粒物中多环芳烃（PAHs）浓度的分布。对雨水的取样方法和集雨器的材料进行了探讨。用苯和玻璃瓶防止雨水中多环芳烃的减少。雨水中的109多环芳烃平均浓度介于17.49和646.52 ng dm−3之间。降雨和无雨时，这些109种多环芳烃在气粒中的平均比值分别为77.9%和68.3%。在降雨过程中，颗粒物中的多环芳烃被雨水清除，并通过相互碰撞的冲刷被合并。因此，雨水中多环芳烃的比例与颗粒物中的比例相似。低分子量的LMW-PAHs被认为是溶解在雨水中，但不影响雨水中的多环芳烃的比例。四环PAH在气/雨/颗粒物中占优势。雨水中PAHs的季节变化规律表明，冬春季雨水中PAHs含量高于夏秋季。此外，还建立了雪中多环芳烃的采样方法。
This study reported the distribution of polycyclic aromatic hydrocarbons (PAHs) concentrations simultaneously obtained in gas/rain/particle in rain event from 2010 to 2012 in Osaka, Japan. A sampling method for rain and the materials of a rain collector were also surveyed. Benzene and a glass bottle were used to prevent the decrease of PAHs in rainwater. The average concentration of Σ9PAHs in rainwater ranged between 17.49 and 646.52 ng dm−3. The mean ratio of these Σ9PAHs in gas versus particles was 77.9 and 68.3 % during rain and no rain, respectively. During rain, the PAHs in particles were scavenged by rain and were incorporated via washout by collision with each other. Therefore, the ratio of PAHs in rainwater was similar to that in particles. The low molecular weight LMW-PAHs from gas were recognized as being dissolved in rain but did not affect the ratio of PAHs in rain. Four rings PAH were dominant in gas/rain/particles. The seasonal variation of Σ9PAHs in rainwater was reported and discussed, and the PAHs levels during the winter and spring were higher compared with that of summer and autumn. Furthermore, the sampling method of PAHs in snow is also developed.
登录
查看更多内容
影响因子：
5
作者：
C. Leuenberger;J. Czuczwa;E. Heyerdahl;W. Giger
通讯作者：
W. Giger
DOI：
10.1016/s1672-2515(07)60277-2
发表时间：
2006-12
期刊：
China Particuology
影响因子：
--
作者：
Yan Liu;Li-bin Liu;Jin-Ming Lin;N. Tang;K. Hayakawa
通讯作者：
Yan Liu;Li-bin Liu;Jin-Ming Lin;N. Tang;K. Hayakawa
影响因子：
5
作者：
Chetwittayachan, T;Shimazaki, D;Yamamoto, K
通讯作者：
Yamamoto, K
影响因子：
9.8
作者：
Hien, To Thi;Nam, Pham Phuong;Hiroshi, Bandow
通讯作者：
Hiroshi, Bandow
用于长期监测多环芳烃湿沉降的采样系统的描述和评估。
影响因子：
8.8
作者：
F. Cereceda;E. Kleist;H. Prast;H. Schlimper;H. Engel;K. Günther
通讯作者：
K. Günther