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Breathing Clean Air: Navigating Indoor Air Purification Techniques and Finding the Ideal Solution

Author

Listed:
  • Hashim Alhussain

    (Biomedical Research Center, Qatar University, Doha P.O. Box 2713, Qatar)

  • Saud Ghani

    (Department of Industrial and Mechanical Engineering, Qatar University, Doha P.O. Box 2713, Qatar)

  • Nahla O. Eltai

    (Biomedical Research Center, Qatar University, Doha P.O. Box 2713, Qatar)

Abstract

The prevalence of airborne pathogens in indoor environments presents significant health risks due to prolonged human occupancy. This review addresses diverse air purification systems to combat airborne pathogens and the factors influencing their efficacy. Indoor aerosols, including bioaerosols, harbor biological contaminants from respiratory emissions, highlighting the need for efficient air disinfection strategies. The COVID-19 pandemic has emphasized the dangers of airborne transmission, highlighting the importance of comprehending how pathogens spread indoors. Various pathogens, from viruses like SARS-CoV-2 to bacteria like Mycobacterium (My) tuberculosis , exploit unique respiratory microenvironments for transmission, necessitating targeted air purification solutions. Air disinfection methods encompass strategies to reduce aerosol concentration and inactivate viable bioaerosols. Techniques like ultraviolet germicidal irradiation (UVGI), photocatalytic oxidation (PCO), filters, and unipolar ion emission are explored for their specific roles in mitigating airborne pathogens. This review examines air purification systems, detailing their operational principles, advantages, and limitations. Moreover, it elucidates key factors influencing system performance. In conclusion, this review aims to provide practical knowledge to professionals involved in indoor air quality management, enabling informed decisions for deploying efficient air purification strategies to safeguard public health in indoor environments.

Suggested Citation

  • Hashim Alhussain & Saud Ghani & Nahla O. Eltai, 2024. "Breathing Clean Air: Navigating Indoor Air Purification Techniques and Finding the Ideal Solution," IJERPH, MDPI, vol. 21(8), pages 1-18, August.
    • Handle: RePEc:gam:jijerp:v:21:y:2024:i:8:p:1107-:d:1460892
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    References listed on IDEAS

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    1. Thi Tham Nguyen & Graham R. Johnson & Scott C. Bell & Luke D. Knibbs, 2022. "A Systematic Literature Review of Indoor Air Disinfection Techniques for Airborne Bacterial Respiratory Pathogens," IJERPH, MDPI, vol. 19(3), pages 1-12, January.
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    Cited by:

    1. Gaetano Settimo & Luciana Indinnimeo & Marco Inglessis & Marco De Felice & Roberta Morlino & Annalisa di Coste & Fabiana Carriera & Cristina Di Fiore & Pasquale Avino, 2024. "CO 2 Levels in Classrooms: What Actions to Take to Improve the Quality of Environments and Spaces," Sustainability, MDPI, vol. 16(19), pages 1-15, October.

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