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某焦化厂PM2.5中多环芳烃的排放特征及其对周边环境影响

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张惠灵, 王宇, 周杨, 任大军, 王梦婵. 某焦化厂PM2.5中多环芳烃的排放特征及其对周边环境影响[J]. 环境工程学报, 2017, 11(10): 5571-5576. doi: 10.12030/j.cjee.201611095
引用本文: 张惠灵, 王宇, 周杨, 任大军, 王梦婵. 某焦化厂PM2.5中多环芳烃的排放特征及其对周边环境影响[J]. 环境工程学报, 2017, 11(10): 5571-5576. doi: 10.12030/j.cjee.201611095
shu
ZHANG Huiling, WANG Yu, ZHOU Yang, REN Dajun, WANG Mengchan. Emission characteristics and environmental impact of PAHs in PM2.5 from one coking plant[J]. Chinese Journal of Environmental Engineering, 2017, 11(10): 5571-5576. doi: 10.12030/j.cjee.201611095
Citation: ZHANG Huiling, WANG Yu, ZHOU Yang, REN Dajun, WANG Mengchan. Emission characteristics and environmental impact of PAHs in PM2.5 from one coking plant[J]. Chinese Journal of Environmental Engineering, 2017, 11(10): 5571-5576. doi: 10.12030/j.cjee.201611095
shu

某焦化厂PM2.5中多环芳烃的排放特征及其对周边环境影响

  • 1.

    武汉科技大学资源与环境工程学院, 武汉 430081

  • 基金项目:

    国家自然科学基金资助项目（51476118）

    煤转化与新型炭材料湖北省重点实验室开放基金（WKDM201303）

  • 中图分类号: X511

Emission characteristics and environmental impact of PAHs in PM2.5 from one coking plant

  • 1.

    College of Resource and Environment Engineering, Wuhan University of Science and Technology, Wuhan 430081, China

  • Fund Project:

  • 摘要: 为了解焦化厂在装煤过程中产生的PM2.5及其周边区域空气环境PM2.5中多环芳烃（PAHs）的含量，采用微纤维石英滤膜对PM2.5采样，并通过气相色谱-质谱仪分析PM2.5上负载的16种毒性较大PAHs。结果表明：焦炉装煤除尘烟气PM2.5中PAHs的成分主要受到炼焦配煤的影响；布袋除尘器对装煤除尘烟气中高环PAHs的处理效果显著；焦化厂周边空气环境中PM2.5中的PAHs浓度呈明显空间递减趋势。采用特征比值法分析得到该区域空气环境中PAHs主要来源于煤炭燃烧，用毒性当量法分析得到焦化厂区域PM2.5中PAHs的毒性为其他区域的9~90倍，高环PAHs的毒性贡献较大。
    Abstract: To understand the content of PM2.5 produced in coking plant coaling process and the polycyclic aromatic hydrocarbons(PAHs) content in PM2.5 in the surrounding air, microfiber quartz filterable membrane was used to collect the PM2.5 and 16 kinds of toxic PAHs attached on PM2.5 were analyzed by Gas Chromatography-Mass Spectrometer. The results showed that the PAHs composition in PM2.5 were mainly influenced by coking coal. The high molecular weight PAHs could be removed effectively by the bag-filter. The concentration of PAHs in PM2.5 in the surrounding environment of coking plant showed a decreasing trend based on location. The characteristic ratio analysis of PAHs in the air of the region indicated that PAHs in the air of the region are mainly from coal combustion. The toxicity of PAHs in PM2.5 of coking plant was 9 to 90 times of that of other regions according to the evaluation of toxic equivalent quantity, the high molecular weight PAHs made a greater contribution to total toxicity.
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出版历程
  • 收稿日期:  2017-01-05
  • 刊出日期:  2017-10-12
张惠灵, 王宇, 周杨, 任大军, 王梦婵. 某焦化厂PM2.5中多环芳烃的排放特征及其对周边环境影响[J]. 环境工程学报, 2017, 11(10): 5571-5576. doi: 10.12030/j.cjee.201611095
引用本文: 张惠灵, 王宇, 周杨, 任大军, 王梦婵. 某焦化厂PM2.5中多环芳烃的排放特征及其对周边环境影响[J]. 环境工程学报, 2017, 11(10): 5571-5576. doi: 10.12030/j.cjee.201611095
shu
ZHANG Huiling, WANG Yu, ZHOU Yang, REN Dajun, WANG Mengchan. Emission characteristics and environmental impact of PAHs in PM2.5 from one coking plant[J]. Chinese Journal of Environmental Engineering, 2017, 11(10): 5571-5576. doi: 10.12030/j.cjee.201611095
Citation: ZHANG Huiling, WANG Yu, ZHOU Yang, REN Dajun, WANG Mengchan. Emission characteristics and environmental impact of PAHs in PM2.5 from one coking plant[J]. Chinese Journal of Environmental Engineering, 2017, 11(10): 5571-5576. doi: 10.12030/j.cjee.201611095
shu

某焦化厂PM2.5中多环芳烃的排放特征及其对周边环境影响

  • 1. 武汉科技大学资源与环境工程学院, 武汉 430081
  • 收稿日期:  2017-01-05
基金项目:

国家自然科学基金资助项目（51476118）

煤转化与新型炭材料湖北省重点实验室开放基金（WKDM201303）

摘要: 为了解焦化厂在装煤过程中产生的PM2.5及其周边区域空气环境PM2.5中多环芳烃（PAHs）的含量，采用微纤维石英滤膜对PM2.5采样，并通过气相色谱-质谱仪分析PM2.5上负载的16种毒性较大PAHs。结果表明：焦炉装煤除尘烟气PM2.5中PAHs的成分主要受到炼焦配煤的影响；布袋除尘器对装煤除尘烟气中高环PAHs的处理效果显著；焦化厂周边空气环境中PM2.5中的PAHs浓度呈明显空间递减趋势。采用特征比值法分析得到该区域空气环境中PAHs主要来源于煤炭燃烧，用毒性当量法分析得到焦化厂区域PM2.5中PAHs的毒性为其他区域的9~90倍，高环PAHs的毒性贡献较大。

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