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《Environmental Science & Technology》 2017-S2
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The Pollution Characteristics of Heavy Metals in PM_(2.5) during Heating Season in Qinhuangdao

ZHOU Xiuyan;LIU Minghua;WANG Shenbo;Northeastern University at Qinhuangdao;Environmental Protection Monitoring Station Qinhuangdao;  
To explore the pollution characteristics and the potential ecological risk of heavy metals in PM_(2.5) of Qinhuangdao,The PM_(2.5) sampled during heating season and the main heavy metals such as Cu, Pb, Zn, Cr, Ni and Cd were detected, and the pollution status was evaluated with index of geoaccumulation and Hakanson potential ecological risk index, respectively.The results showed that the pollution degree of the heavy metals followed the order ZnPbNiCrCuCd at the urban. The PM_(2.5) mass concentration average diurnal were 98 μg/m~3 at the urban. The index of geoaccumulation assessment of heavy metals showed that the pollution degree of Cd was strong. Other elements were basically pollution-free. Pb existed certain pollution. The potential ecological risk of Cu、Pb、Zn、Cr and Ni was slight, while ecological harm degree of Cd was extremely strong, the whole potential ecological risk degree(535.5) was very strong.
【Fund】: 固体废物处理与资源化教育部重点实验室开放基金项目(14zxgko1);; 秦皇岛市科技支撑项目(201402B038);; 东北大学秦皇岛分校科技支撑项目(9140606391501)
【CateGory Index】: X513
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