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Experimental Study of Purification Performance of PM2.5 by Air Filters at Different Grades

  • Xin ZhangEmail author
  • Yuesheng Fan
  • Huan Wang
  • Wei Xie
  • Liang Liu
  • Jie Liu
Conference paper
  • 203 Downloads
Part of the Environmental Science and Engineering book series (ESE)

Abstract

In this paper, the filtration performance of PM2.5 of eleven kinds of different grades filters commonly used in the Chinese market was tested by experiments for atmospheric dust. The results showed that the arrestance and resistance of PM2.5 at different grades were different. When the filtration velocity of C1–C4 coarse filters were around 1.9 m/s, the arrestance of the filters reached the maximum, and the maximum value of the filtration velocity was less than the range of 2.0–2.5 m/s which was given by the standard. When the filtration velocity was about 0.7 m/s, the arrestance of Z1 medium efficiency filter reached the maximum. For the Z2, GZ1–GZ3, YG1–YG2 grades filters, the smaller the filtration velocity was, the higher the filtering efficiency had. The resistance curve of the filters showed a rising arc, and the relationship between filtration velocity, filtration efficiency, and resistance was analyzed. The filtration efficiency of PM2.5 at various grades of filters and the corresponding filtration efficiency were plotted. The resistance range map provided references for the selection of filters.

Keywords

PM2.5 Air filters Filtration performance Evaluation 

Notes

Acknowledgements

The project is supported by the National Key R&D Program of China (2016YFC0700503), and the Special Research Project of Shaanxi Provincial Department of Education (17JK0467).

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Copyright information

© Springer Nature Singapore Pte Ltd. 2020

Authors and Affiliations

  • Xin Zhang
    • 1
    Email author
  • Yuesheng Fan
    • 1
  • Huan Wang
    • 1
  • Wei Xie
    • 1
  • Liang Liu
    • 2
  • Jie Liu
    • 1
  1. 1.School of Building Services Science and EngineeringXi’an University of Architecture and TechnologyXi’anChina
  2. 2.Chongqing North Car Construction Engineering Co., Ltd.ChongqingChina

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