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电子垃圾拆解区氯化石蜡和多氯联苯的分布特征——以广东清远龙塘镇为例

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路风辉, 陈满英, 陈燕舞, 刘付建, 罗孝俊, 麦碧娴. 电子垃圾拆解区氯化石蜡和多氯联苯的分布特征——以广东清远龙塘镇为例[J]. 环境化学, 2015, 34(7): 1297-1303. doi: 10.7524/j.issn.0254-6108.2015.07.2014111103
引用本文: 路风辉, 陈满英, 陈燕舞, 刘付建, 罗孝俊, 麦碧娴. 电子垃圾拆解区氯化石蜡和多氯联苯的分布特征——以广东清远龙塘镇为例[J]. 环境化学, 2015, 34(7): 1297-1303. doi: 10.7524/j.issn.0254-6108.2015.07.2014111103
shu
LU Fenghui, CHEN Manying, CHEN Yanwu, LIU Fujian, LUO Xiaojun, MAI Bixian. Distribution of chlorinated paraffins and polychlorinated biphenyls in e-waste,residues and sediment from e-waste areas of Qingyuan[J]. Environmental Chemistry, 2015, 34(7): 1297-1303. doi: 10.7524/j.issn.0254-6108.2015.07.2014111103
Citation: LU Fenghui, CHEN Manying, CHEN Yanwu, LIU Fujian, LUO Xiaojun, MAI Bixian. Distribution of chlorinated paraffins and polychlorinated biphenyls in e-waste,residues and sediment from e-waste areas of Qingyuan[J]. Environmental Chemistry, 2015, 34(7): 1297-1303. doi: 10.7524/j.issn.0254-6108.2015.07.2014111103
shu

电子垃圾拆解区氯化石蜡和多氯联苯的分布特征——以广东清远龙塘镇为例

  • 1.

    顺德职业技术学院, 顺德, 528300;

  • 2.

    广东产品质量监督检验研究院, 广州, 510330;

  • 3.

    中国科学院广州地球化学研究所有机地球化学国家重点实验室, 广州, 510640

  • 基金项目:

    国家质检总局项目(2013KQ284)

    佛山市标准战略项目(2012B01002)资助.

Distribution of chlorinated paraffins and polychlorinated biphenyls in e-waste,residues and sediment from e-waste areas of Qingyuan

  • 1.

    Shunde Polytechnic, Shunde, 528300, China;

  • 2.

    Guangdong Testing Institute of Product Quality Supervision, Guangzhou, 510330, China;

  • 3.

    State Key Laboratory of Organic Geochemistry, Guangzhou Institute of Geochemistry, Guangzhou, 510640, China

  • Fund Project:

  • 摘要: 采用GC/MS法测定了广东清远龙塘镇电子垃圾拆解区电子垃圾、电子垃圾焚烧后残渣、当地池塘沉积物和对照区沉积物24种短链氯化石蜡(SCCPs)、24种中链氯化石蜡(MCCPs)和29种多氯联苯(PCBs)的浓度水平.结果显示,氯化石蜡(CPs)和PCBs大量存在于电子垃圾中.电子垃圾、残渣和池塘沉积物SCCPs和MCCPs浓度范围(干重)分别为1.6—46.8 μg·g-1 和7.3—215 μg·g-1,PCBs的浓度范围(干重)为0.15—370.6 μg·g-1,明显高于对照区,对周边造成了极大环境风险.SCCPs、MCCPs和PCBs均呈现低碳低氯同系物的相对含量在电子垃圾、电子垃圾焚烧残渣、拆解区池塘沉积物、对照区沉积物中依次递增的现象,表明CPs和PCBs在由电子垃圾向沉积物迁移过程中可能存在脱碳脱氯的降解过程.
    Abstract: The concentration level of short-chain and medium-chain chlorinated paraffins (SCCPs and MCCPs) and polychlorinated biphenyls (PCBs) in e-wastes, incineration residues, and sediments from the electronic waste recycling areas of Qingyuan, Guangdong Province were determined using gas chromatographic-mass spectrometric (GC/MS). The results showed that electronic waste dismantling activities were important sources of CPs and PCBs contamination, which was obviously higher than that in the reference region. SCCPs concentrations in the electronic wastes, the residues and pond sediments were in the range of 1.6—46.8 μg·g-1, MCCPs 7.3—215 μg·g-1 and PCBs 0.15—370.6 μg·g-1 respectively. The concentrations were significantly higher than the reference area, which might impose risk on the surrounding environment. The relative contents of low carbon and low chlorine homologue increased from electronic wastes, electronic waste incineration residues, to the dismantling pond sediments, which indicated that decarbonization and dechlorination of the CPs and PCBs might develop during their migration from the electronic waste polluted area to the sediment.
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  • 收稿日期:  2014-11-11
  • 刊出日期:  2015-07-15
路风辉, 陈满英, 陈燕舞, 刘付建, 罗孝俊, 麦碧娴. 电子垃圾拆解区氯化石蜡和多氯联苯的分布特征——以广东清远龙塘镇为例[J]. 环境化学, 2015, 34(7): 1297-1303. doi: 10.7524/j.issn.0254-6108.2015.07.2014111103
引用本文: 路风辉, 陈满英, 陈燕舞, 刘付建, 罗孝俊, 麦碧娴. 电子垃圾拆解区氯化石蜡和多氯联苯的分布特征——以广东清远龙塘镇为例[J]. 环境化学, 2015, 34(7): 1297-1303. doi: 10.7524/j.issn.0254-6108.2015.07.2014111103
shu
LU Fenghui, CHEN Manying, CHEN Yanwu, LIU Fujian, LUO Xiaojun, MAI Bixian. Distribution of chlorinated paraffins and polychlorinated biphenyls in e-waste,residues and sediment from e-waste areas of Qingyuan[J]. Environmental Chemistry, 2015, 34(7): 1297-1303. doi: 10.7524/j.issn.0254-6108.2015.07.2014111103
Citation: LU Fenghui, CHEN Manying, CHEN Yanwu, LIU Fujian, LUO Xiaojun, MAI Bixian. Distribution of chlorinated paraffins and polychlorinated biphenyls in e-waste,residues and sediment from e-waste areas of Qingyuan[J]. Environmental Chemistry, 2015, 34(7): 1297-1303. doi: 10.7524/j.issn.0254-6108.2015.07.2014111103
shu

电子垃圾拆解区氯化石蜡和多氯联苯的分布特征——以广东清远龙塘镇为例

  • 1.  顺德职业技术学院, 顺德, 528300;
  • 2.  广东产品质量监督检验研究院, 广州, 510330;
  • 3.  中国科学院广州地球化学研究所有机地球化学国家重点实验室, 广州, 510640
  • 收稿日期:  2014-11-11
基金项目:

国家质检总局项目(2013KQ284)

佛山市标准战略项目(2012B01002)资助.

摘要: 采用GC/MS法测定了广东清远龙塘镇电子垃圾拆解区电子垃圾、电子垃圾焚烧后残渣、当地池塘沉积物和对照区沉积物24种短链氯化石蜡(SCCPs)、24种中链氯化石蜡(MCCPs)和29种多氯联苯(PCBs)的浓度水平.结果显示,氯化石蜡(CPs)和PCBs大量存在于电子垃圾中.电子垃圾、残渣和池塘沉积物SCCPs和MCCPs浓度范围(干重)分别为1.6—46.8 μg·g-1 和7.3—215 μg·g-1,PCBs的浓度范围(干重)为0.15—370.6 μg·g-1,明显高于对照区,对周边造成了极大环境风险.SCCPs、MCCPs和PCBs均呈现低碳低氯同系物的相对含量在电子垃圾、电子垃圾焚烧残渣、拆解区池塘沉积物、对照区沉积物中依次递增的现象,表明CPs和PCBs在由电子垃圾向沉积物迁移过程中可能存在脱碳脱氯的降解过程.

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