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Zero-Energy Purification of Ambient Particulate Matter Using a Novel Double-Skin Façade System Integrated with Porous Materials

Author

Listed:
  • He Li

    (School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China)

  • Hongwei Guo

    (School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China)

  • Xiaohan Lu

    (School of Environment and Architecture, University of Shanghai for Science and Technology, Shanghai 200093, China)

  • Jun Hu

    (Department of Refrigeration and Air Conditioning, Shanghai Ocean University, Shanghai 201306, China)

  • Ke Zhong

    (School of Environmental Science and Engineering, Donghua University, Shanghai 201620, China)

Abstract

This study introduces an innovative double-skin façade system integrated with porous materials (DSF-PM) designed to combat air pollution by purifying atmospheric particulate matter without energy consumption. By evaluating three installation strategies—vertical, horizontal, and cross placement—and examining porous materials with pore sizes of 0.5 mm, 1 mm, and 2 mm through a validated computational fluid dynamics (CFD) model, we optimized the DSF-PM system for enhanced particulate matter purification. Our findings reveal that positioning the porous material on both airflow sides with a pore size of 1 mm yields the best purification performance. The seasonal performance analysis demonstrates that the DSF-PM system achieves an average annual purification efficiency of 26.24% for particles larger than 5 µm, surpassing 20% efficiency, comparable to primary filters in global standards, with zero energy input. This passive double-skin façade system, leveraging solar-driven natural convection, emerges as a sustainable solution for ambient air purification in urban environments.

Suggested Citation

  • He Li & Hongwei Guo & Xiaohan Lu & Jun Hu & Ke Zhong, 2024. "Zero-Energy Purification of Ambient Particulate Matter Using a Novel Double-Skin Façade System Integrated with Porous Materials," Sustainability, MDPI, vol. 16(6), pages 1-17, March.
    • Handle: RePEc:gam:jsusta:v:16:y:2024:i:6:p:2489-:d:1358652
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    References listed on IDEAS

    as
    1. Yu, Bendong & Li, Niansi & Ji, Jie & Wang, Chuyao, 2021. "Thermal, electrical and purification performance of a novel thermal-catalytic CdTe double-layer breathing window in winter," Renewable Energy, Elsevier, vol. 167(C), pages 313-332.
    2. Yanmei Li & Shaojun Wang & Qibo Chen, 2019. "Potential of Thirteen Urban Greening Plants to Capture Particulate Matter on Leaf Surfaces across Three Levels of Ambient Atmospheric Pollution," IJERPH, MDPI, vol. 16(3), pages 1-12, January.
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