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不同类型生物滞留介质对雨水径流中多环芳烃的去除效果

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王建龙, 夏旭, 冯伟. 不同类型生物滞留介质对雨水径流中多环芳烃的去除效果[J]. 环境化学, 2020, (3): 670-676. doi: 10.7524/j.issn.0254-6108.2019102501
引用本文: 王建龙, 夏旭, 冯伟. 不同类型生物滞留介质对雨水径流中多环芳烃的去除效果[J]. 环境化学, 2020, (3): 670-676. doi: 10.7524/j.issn.0254-6108.2019102501
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WANG Jianlong, XIA Xu, FENG Wei. Removal effect of different types of bioretention filter media on polycyclic aromatic hydrocarbons in stormwater runoff[J]. Environmental Chemistry, 2020, (3): 670-676. doi: 10.7524/j.issn.0254-6108.2019102501
Citation: WANG Jianlong, XIA Xu, FENG Wei. Removal effect of different types of bioretention filter media on polycyclic aromatic hydrocarbons in stormwater runoff[J]. Environmental Chemistry, 2020, (3): 670-676. doi: 10.7524/j.issn.0254-6108.2019102501
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不同类型生物滞留介质对雨水径流中多环芳烃的去除效果

  • 1. 北京建筑大学, 城市雨水系统与水环境教育部重点实验室, 北京, 100044;

  • 2. 北京建筑大学, 北京未来城市设计高精尖创新中心, 北京, 100044;

  • 3. 北京建筑大学, 北京市可持续城市排水系统构建与风险控制工程技术研究中心, 北京, 100044

    • 通讯作者: 王建龙, E-mail: wjl_xt@163.com ; 
  • 基金项目:

    水体污染控制与治理科技重大专项课题（2017ZX07103-002）和通州区科技计划项目（KJ2019CX059）资助.

Removal effect of different types of bioretention filter media on polycyclic aromatic hydrocarbons in stormwater runoff

  • 1. Key Laboratory of Urban Rainwater System and Water Environment, Ministry of Education, Beijing University of Civil Engineering And Architecture, Beijing, 100044, China;

  • 2. Beijing University of Civil Engineering and Architecture Beijing Advanced Innovation Center for Future Urban Design, Beijing, 100044, China;

  • 3. Beijing University of Civil Engineering and Architecture Beijing Sustainable Urban Drainage System Construction and Risk Control Engineering Technology Research Center, Beijing, 100044, China

    • Corresponding author: WANG Jianlong, wjl_xt@163.com ; 
  • Fund Project: Supported by Major Scientific and Technological Project on Water Pollution Control and Treatment(2017ZX07103-002)and Tongzhou Science and Technology Plan Project(KJ2019CX059).

  • 摘要: 生物滞留设施是目前城市雨水控制利用中应用最广泛的措施之一，其中填料类型对雨水径流净化效果具有重要影响.通过实验室模拟实验，研究了不同类型填料生物滞留设施对雨水径流中多环芳烃（PAHs）的去除效果，并以炉渣为例研究了填料内部累积的PAHs降解特征.结果表明，不同类型填料对PAHs的去除效果从高到低依次为：炉渣 > 砂土 > 陶粒 > 沸石，填料类型对PAHs的净化效果具有一定选择性；PAHs不同组分在不同填料中净化效果也不同，4种填料对2环PAHs净化效率均较高，约为70%，对5&6环的净化效率也均在50%以上，对4环PAHs的净化效率较低，约为40%.因此，生物滞留设施中填料类型对PAHs净化效果具有重要影响，实际工程中应根据PAHs的净化需求选择合适的填料.
    Abstract: Bioretention facilities are one of the most widely used measures in urban stormwater management, of which the type of filter media has an important impact on the removal efficiency of runoff pollutions. In this work, The impact of different types of filter media on the removal efficiency of polycyclic aromatic hydrocarbons (PAHs) in stormwater runoff was investigated with laboratory simulation experiments.The degradation characteristics of the PAHs accumulated inside the filter media were elaborately studied as well by using slag as an example. The results showed that the removal efficiency of PAHs in bioretention facilities with different types of filter media was as follows:slag > sand > ceramsite > zeolite, suggesting the selectivity of different filter media in the removal of PAHs. Moreover, the removal efficiency in different filter media was found also affected by the type of PAHs. All the tested filter media demonstrated a higher removal efficiency for bicyclic PAHs (about 70%) than for pentacyclic and hexacyclic PAHs (above 50%), and tetracyclic PAHs (about 40%). Overall, this study clearly illustrated the significant impact of filter media on the removal of PAHs in bioretention facilities, implying that suitable filter media should be selected according to the case-specific requirements for PAHs removal in practical applications.
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  • 收稿日期:  2019-10-25

不同类型生物滞留介质对雨水径流中多环芳烃的去除效果

    通讯作者: 王建龙, E-mail: wjl_xt@163.com ; 
  • 1. 北京建筑大学, 城市雨水系统与水环境教育部重点实验室, 北京, 100044;
  • 2. 北京建筑大学, 北京未来城市设计高精尖创新中心, 北京, 100044;
  • 3. 北京建筑大学, 北京市可持续城市排水系统构建与风险控制工程技术研究中心, 北京, 100044
  • 收稿日期:  2019-10-25
基金项目:

水体污染控制与治理科技重大专项课题（2017ZX07103-002）和通州区科技计划项目（KJ2019CX059）资助.

摘要: 生物滞留设施是目前城市雨水控制利用中应用最广泛的措施之一，其中填料类型对雨水径流净化效果具有重要影响.通过实验室模拟实验，研究了不同类型填料生物滞留设施对雨水径流中多环芳烃（PAHs）的去除效果，并以炉渣为例研究了填料内部累积的PAHs降解特征.结果表明，不同类型填料对PAHs的去除效果从高到低依次为：炉渣 > 砂土 > 陶粒 > 沸石，填料类型对PAHs的净化效果具有一定选择性；PAHs不同组分在不同填料中净化效果也不同，4种填料对2环PAHs净化效率均较高，约为70%，对5&6环的净化效率也均在50%以上，对4环PAHs的净化效率较低，约为40%.因此，生物滞留设施中填料类型对PAHs净化效果具有重要影响，实际工程中应根据PAHs的净化需求选择合适的填料.

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