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Progress on particulate matter filtration technology: Basic concepts, advanced materials, and performances

Abstract

PM (particulate matter)-induced haze problem has caused serious environment and health concerns. It is still a huge challenge to control PM pollution because of the complex structure, diverse sources and intricate evolution mechanism of the particles. In recent years, there has been increasing effort to develop advanced strategies for PM treatment. Herein, we wish to provide a systematic summary of recent progress in air filtration. The review cover PMs definition, the characterization of PMs, the mechanism of PMs capture, advanced purification materials, and special multifunctional performances. As for characterizing PM particles, removal efficiency, pressure drop, flow rate, quality factor and optical transparency are the basic parameters. For the advanced filters with excellent filtration performance, some special properties such as thermal stability, antibacterial property, flame retardance, recyclability and special wettability are in great need under certain extreme conditions. Finally, some future prospect for filtration materials like materials choosing and structure designing, are also discussed.

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Publication details

The article was received on 15 Oct 2019, accepted on 27 Nov 2019 and first published on 29 Nov 2019


Article type: Review Article
DOI: 10.1039/C9NR08851B
Nanoscale, 2019, Accepted Manuscript

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    Progress on particulate matter filtration technology: Basic concepts, advanced materials, and performances

    Y. Lai, H. Liu, C. Cao, J. Huang, Z. Chen and G. Chen, Nanoscale, 2019, Accepted Manuscript , DOI: 10.1039/C9NR08851B

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