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    190409-某大型汽车厂涂装车间搬迁遗留场地的污染特征分析

       作者:陈维墉,陈婕,等    单位:常州大学环境与安全工程学院    日期:2019-03-01     浏览:356    评论:0    
    提示:中文核心期刊,中国科技核心期刊! DOI: 10.19289/j.1004-227x.2019.04.009某大型汽车厂涂装车间搬迁遗留场地的污染特征分析陈维
     

    中文核心期刊,中国科技核心期刊!  



    DOI: 10.19289/j.1004-227x.2019.04.009

    某大型汽车厂涂装车间搬迁遗留场地的污染特征分析

    陈维墉,陈婕,胡林潮,毛林强,李美娟,张文艺*(常州大学环境与安全工程学院,江苏 常州 213164)

    摘要:以某大型汽车厂涂装车间搬迁遗留场地为研究对象,在初期污染识别的基础上,采集0 ~ 6 m 深的58 个土壤样品、4 个地下水样品及1 个清洗池废水样品,检测其中的重金属、总石油烃(TPH)、挥发性有机物(VOC)及半挥发性有机物(SVOC)的含量,分析了主要污染物在?#20204;?#22495;土壤和地下水中的水平与垂直分布特征,并根据土工试验结果、场地布局等情况进行污染源溯源分析。结果表明:土壤中检测出的污染物为TPH(C15−C28)及?#35762;a]芘、?#35762;a]蒽等多环芳烃类,地下水和清洗池废水中检测出的污染物为TPH(C15−C28)。土壤污染物检出样品基本分布在表层(0.5 ~ 1.5 m),场地内污染物分?#23478;?#36739;集中,其中超标样品集中在SB-4 点位0.5 m 处,但检出深度达5 m,推测该处的污染是由原材料跑冒滴漏所致。水样中检出TPH 的质量浓度范围是120 ~ 2 100 μg/L。由地下水埋深及流向判断,地下水的污染可能是因为清洗池渗漏。

    关键词:涂装车间;污染场地;土壤;地下水;分析

    ?#22411;?#20998;类号:X508 

    文献标志码:A 

    文章编号:1004 – 227X (2019) 04 – 0181 – 06

    Analysis on contamination of the site remained after the relocation of a large-scale automobile painting workshop // CHEN Wei-yong, CHEN Jie, HU Lin-chao, MAO Lin-qiang, LI Mei-juan, ZHANG Wen-yi

    Abstract: The contamination of the site remained after the relocation of the painting workshop of a car automobile manufacturer was identified initially. Fifty-eight soil samples, four groundwater samples, and one cleaning pool wastewater sample were collected at a depth of 0-6 m. The heavy metals, total petroleum hydrocarbons (TPH), volatile organic compounds (VOC), and semi-volatile organic compounds (SVOC) in the samples were analyzed. The horizontal and vertical distributions of the contaminants in soil and groundwater as well as their origins were discussed based on the geotechnical test result and the workshop layout. The results showed that: the contaminants detected in the soil were TPH (C15-C28) and polycyclic aromatic hydrocarbons such as benzo[a]pyrene and benzo[a]pyrene, while TPH (C15-C28) in groundwater and cleaning pool wastewater. The soil samples containing contaminants mainly existed in the surficial layer (0.5-1.5 m). The distribution of contaminants in this site was concentrated. The noncompliant samples were mainly from a depth of 0.5 m at the sampling spot SB-4 where the contaminants were detectable even at a depth of 5 m. It was speculated that the contamination in this area was caused by the leakage of raw materials. The mass concentration of TPH (C15-C28) ranged from120 to 2 100 μg/L in the water samples. It was judged from the depth and flow direction of groundwater that the groundwater contamination might be caused by the leakage of the cleaning pool.

    Keywords: painting workshop; contaminated site; soil; groundwater; analysis

    First-author’s address: School of Environmental and Safety Engineering, Changzhou University, Changzhou 213164, China

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