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何楷强, 苑春刚, 张可刚, 尹连庆. 雾霾天气下室内外颗粒物粒径分布特征[J]. 环境化学, 2018, 37(3): 410-418. doi: 10.7524/j.issn.0254-6108.2017063002
引用本文: 何楷强, 苑春刚, 张可刚, 尹连庆. 雾霾天气下室内外颗粒物粒径分布特征[J]. 环境化学, 2018, 37(3): 410-418. doi: 10.7524/j.issn.0254-6108.2017063002
shu
HE Kaiqiang, YUAN Chungang, ZHANG Kegang, YIN Lianqing. Size distribution of indoor and outdoor particulate matters during haze pollution[J]. Environmental Chemistry, 2018, 37(3): 410-418. doi: 10.7524/j.issn.0254-6108.2017063002
Citation: HE Kaiqiang, YUAN Chungang, ZHANG Kegang, YIN Lianqing. Size distribution of indoor and outdoor particulate matters during haze pollution[J]. Environmental Chemistry, 2018, 37(3): 410-418. doi: 10.7524/j.issn.0254-6108.2017063002
shu

雾霾天气下室内外颗粒物粒径分布特征

  • 1.

    华北电力大学环境科学与工程系, 保定, 071003

  • 基金项目:

    国家自然科学基金（91543107）和中央高校基本科研业务费专项资金（2017ZZD07）资助.

Size distribution of indoor and outdoor particulate matters during haze pollution

  • 1.

    Department of Environmental Science and Engineering, North China Electric Power University, Baoding, 071003, China

  • Fund Project: Supported by the National Natural Science Foundation of China(91543107) and the Fundamental Research Funds for the Central Universities(2017ZZD07).

  • 摘要: 采用Andersen八级采样器于2016年10月—2017年1月对保定市某居民小区室内外颗粒物进行分级采样测定，利用扫描电子显微镜（SEM）与能谱分析仪（EDS）对颗粒物的形貌与元素相对含量进行了研究.结果表明，PM1.1-4.7是室内外可吸入颗粒物的主要组成部分.室外PM4.7—10与PM1.1占比受大气污染水平影响较小，粒径小于2.1 μm颗粒物（PM2.1）主要由1.1 μm以下颗粒物（PM1.1）构成.在相同污染条件下室内可吸入颗粒物的总浓度仅为室外的44%.室外C元素占比高于室内，颗粒物主要为烟尘集合体，有小部分球形飞灰；室内Al、Ca、Fe元素所占比例高于室外，颗粒物呈现烟尘集合体、飞灰、矿物共存现象.
    Abstract: In order to investigate the size distribution and bioavailability of indoor and outdoor particulate matters (PM) in a community, PM samples were collected throughout 3 months by an Andersen sampler in Baoding city. Scanning electron microscopy(SEM) and X-ray energy dispersive spectroscopy (EDS) were used to investigate the morphology and the chemical composition of the individual particles. The results showed that PM1.1-4.7 was the main component of indoor and outdoor particulate matters. The air pollution levels had little effect on the distribution of outdoor PM4.7-10 and PM1.1.PM1.1 was the main component of outdoor PM2.1.The mass concentration of indoor particulate matters was only 44% of the outdoors' at the same air pollution level. The contents of C in outdoor PM were much higher than indoor, while the contents of Al, Ca, Fe in indoor PM were higher than outdoor. The characterization results indicated that the indoor particulates consisted of soot aggregates, fly ash and minerals.
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  • 收稿日期:  2017-06-30
  • 刊出日期:  2018-03-15
何楷强, 苑春刚, 张可刚, 尹连庆. 雾霾天气下室内外颗粒物粒径分布特征[J]. 环境化学, 2018, 37(3): 410-418. doi: 10.7524/j.issn.0254-6108.2017063002
引用本文: 何楷强, 苑春刚, 张可刚, 尹连庆. 雾霾天气下室内外颗粒物粒径分布特征[J]. 环境化学, 2018, 37(3): 410-418. doi: 10.7524/j.issn.0254-6108.2017063002
shu
HE Kaiqiang, YUAN Chungang, ZHANG Kegang, YIN Lianqing. Size distribution of indoor and outdoor particulate matters during haze pollution[J]. Environmental Chemistry, 2018, 37(3): 410-418. doi: 10.7524/j.issn.0254-6108.2017063002
Citation: HE Kaiqiang, YUAN Chungang, ZHANG Kegang, YIN Lianqing. Size distribution of indoor and outdoor particulate matters during haze pollution[J]. Environmental Chemistry, 2018, 37(3): 410-418. doi: 10.7524/j.issn.0254-6108.2017063002
shu

雾霾天气下室内外颗粒物粒径分布特征

  • 1. 华北电力大学环境科学与工程系, 保定, 071003
  • 收稿日期:  2017-06-30
基金项目:

国家自然科学基金（91543107）和中央高校基本科研业务费专项资金（2017ZZD07）资助.

摘要: 采用Andersen八级采样器于2016年10月—2017年1月对保定市某居民小区室内外颗粒物进行分级采样测定，利用扫描电子显微镜（SEM）与能谱分析仪（EDS）对颗粒物的形貌与元素相对含量进行了研究.结果表明，PM1.1-4.7是室内外可吸入颗粒物的主要组成部分.室外PM4.7—10与PM1.1占比受大气污染水平影响较小，粒径小于2.1 μm颗粒物（PM2.1）主要由1.1 μm以下颗粒物（PM1.1）构成.在相同污染条件下室内可吸入颗粒物的总浓度仅为室外的44%.室外C元素占比高于室内，颗粒物主要为烟尘集合体，有小部分球形飞灰；室内Al、Ca、Fe元素所占比例高于室外，颗粒物呈现烟尘集合体、飞灰、矿物共存现象.

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