Characteristics of Heavy Metal and PAHs in PM2.5 During Winter Pollution in Qinhuangdao
ZHOU Xiu-yan1, LI Na1, LIU Ming-hua2, WANG Shen-bo1
1. School of Resource & Materials, Northeastern University at Qinhuangdao, Qinhuangdao 066004, China; 2. Environmental Protection Monitoring Station Qinhuangdao, Qinhuangdao 066000, China.
ZHOU Xiu-yan, LI Na, LIU Ming-hua, WANG Shen-bo. Characteristics of Heavy Metal and PAHs in PM2.5 During Winter Pollution in Qinhuangdao[J]. Journal of Northeastern University Natural Science, 2018, 39(11): 1667-1672.
[1]Zhou X H,Cao Z Y,Ma Y J,et al.Concentrations,correlations and chemical species of PM2.5/PM10 based on published data in China:potential implications for the revised particulate standard[J].Chemosphere,2016,144:518-526. [2]Peng J,Chen S,Lu H L,et al.Spatiotemporal patterns of remotely sensed PM2.5 concentration in China from 1999 to 2011[J]. Remote Sensing of Environment, 2016,174:109-121. [3]Lang J L,Zhang Y Y,Zhou Y,et al.Trends of PM2.5 and chemical composition in Beijing,2000-2015[J].Aerosol and Air Quality Research,2017,17(2):412-425. [4]Tan T Y,Hu M,Li M R,et al.New insight into PM2.5 pollution patterns in Beijing based on one-year measurement of chemical compositions[J].Science of the Total Environment,2018,621:734-743. [5]Ming L L,Jin L,Li J,et al.PM2.5 in the Yangtze River Delta,China:chemical compositions,seasonal variations,and regional pollution events[J].Environmental Pollution,2017,223:200-212. [6]Tao J,Zhang L M,Cao J J,et al.Source apportionment of PM2.5 at urban and suburban areas of the Pearl River Delta region,south China with emphasis on ship emissions[J].Science of the Total Environment,2017,574:1559-1570. [7]Wang S J,Zhou C S,Wang Z B,et al.The characteristics and drivers of fine particulate matter(PM2.5)distribution in China[J].Journal of Cleaner Production,2017,142:1800-1809. [8]Zhang Y,Huang W,Cai T Q,et al.Concentrations and chemical compositions of fine particles(PM2.5)during haze and non-haze days in Beijing[J].Atmospheric Research,2016,174:62-69. [9]Cai S Y,Wang Y J,Zhao B,et al.The impact of the“Air Pollution Prevention and Control Action Plan”on PM2.5 concentrations in Jing-Jin-Ji region during 2012-2020[J].Science of the Total Environment,2017,580:197-209. [10]Yin H,Xu L Y.Comparative study of PM10/PM2.5-bound PAHs in downtown Beijing,China:concentrations,sources,and health risks[J].Journal of Cleaner Production,2017,177:674-683. [11]周秀艳,王恩德.辽东湾潮间带底质重金属污染地累积指数评价[J].安全与环境学报,2004,4(2):22-24.(Zhou Xiu-yan,Wang En-de.Method on how to apply index of geoaccumulation to evaluate heavy metal pollution as result of inter-tidal sediments in Liaodong bay[J].Journal of Safety and Environment,2004,4(2):22-24.) [12]王晴晴,马永亮,谭吉华,等.北京市冬季PM2.5中水溶性重金属污染特征[J].中国环境科学,2014,34(9):2204-2210.(Wang Qing-qing,Ma Yong-liang,Tan Ji-hua,et al.Characterization of water-soluble heavy metals of PM2.5 during winter in Beijing[J].China Environmental Science,2014,34(9):2204-2210.) [13]李峣,钱枫,何翔.北京市西三环地区大气颗粒物中多环芳烃的分布特性[J].环境科学研究,2013,26(9):948-955.(Li Yao,Qian Feng,He Xiang.Distribution characteristics of polycyclic aromatic hydrocarbons in atomspheric particulates in the area of the 3rd West Ring road in Beijing City[J].Research of Environmental Sciences,2013,26(9):948-955.) [14]田芳,祁士华,杨丹,等.天津市塘沽区PM2.5中PAHs的分布及来源判识[J].安全与环境工程,2009,16(5):53-56.(Tian Fang,Qi Shi-hua,Yang Dan,et al.Distributions and source identification of polycyclic aromatic hydrocarbons(PAHs)in PM2.5 in Tanggu area,Tianjin City[J].Safety and Environmental Engineering,2009,16(5):53-56.) [15]段二红,张微微,李璇,等.石家庄市采暖期大气细颗粒物中PAHs污染特征[J].环境科学研究,2017,30(2):193-201.(Duan Er-hong,Zhang Wei-wei,Li Xuan,et al.Characteristics of PAHs in fine atmospheric particulate matter in Shijiazhuang city in heating season[J].Research of Environmental Sciences,2017,30(2):193-201.) [16]张淑平,韩立建,周伟奇,等.冬季PM2.5的气象影响因素解析[J].生态学报,2016,36(24):1-11.(Zhang Shu-ping,Han Li-jian,Zhou Wei-qi,et al.Relationships between fine particulate matter(PM2.5)and meteorological factors in winter at typical Chinese cities[J].Acta Ecologica Sinica,2016,36(24):1-11.) [17]王燕丽,薛文博,雷宇,等.京津冀区域空气PM2.5污染相互输送特征[J].环境科学,2017,38(12):4897-4904.(Wang Yan-li,Xue Wen-bo,Lei Yu,et al.Regional transport matrix study of PM2.5 in Jing-Jin-Ji region[J].Environmental Science,2017,38(12):4897-4904.)(上接第1661页)但过大的湍流将会把热量带离点火核心区域,使得粉尘云难以被点燃;点火能量与环境氧体积分数对着火延迟的影响较小.2) 微米钛粉尘云的着火延迟时间不到1ms,即从点火源出现到粉尘爆炸发生过程十分短暂,除了在火焰传播初期利用惰化抑爆手段阻止爆炸或减小爆炸威力以外,还应避免事故隐患的出现,并重视泄爆、隔爆等减小事故后果的措施.