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Airborne Microorganism Inactivation by a UV-C LED and Ionizer-Based Continuous Sanitation Air (CSA) System in Train Environments

Author

Listed:
  • Giulia Baldelli

    (Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy
    These authors contributed equally.)

  • Mattia Paolo Aliano

    (STE—Sanitizing Technologies and Equipments s.r.l., 61020 Petriano, Italy
    These authors contributed equally.)

  • Giulia Amagliani

    (Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy)

  • Mauro Magnani

    (Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy)

  • Giorgio Brandi

    (Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy)

  • Carmelo Pennino

    (AF Frigo Clima Impianti S.r.l., 41030 Bomporto, Italy)

  • Giuditta Fiorella Schiavano

    (Department of Humanities, University of Urbino Carlo Bo, 61029 Urbino, Italy)

Abstract

Improving indoor air quality present in environments where people live is important to protect human health. This particularly applies to public transportation, where air quality may affect the health and safety of passengers, workers and staff. To provide better air quality, many buildings and transports are provided with heating, ventilation and air conditioning (HVAC) systems, which are always equipped with filters to retain the particulate present in the airflow, but they lack continuous air sanitization systems. In this study, a new UV-C LED and ionizer-based continuous sanitation air (CSA) system to be installed in a train HVAC was developed (international patent: N.PCT/IB2021/054194) and its sanitation efficacy against various microbial species (bacteria and fungi) was assessed. The device proved to be very effective at the microbial killing of aerodispersed microorganisms, both in its experimental configuration (ISO 15714:2019) and in a train setting. The installation of this CSA system on public transportation appears to be a promising solution to guarantee high microbiological air quality with a very low environmental impact due to its eco-friendly components.

Suggested Citation

  • Giulia Baldelli & Mattia Paolo Aliano & Giulia Amagliani & Mauro Magnani & Giorgio Brandi & Carmelo Pennino & Giuditta Fiorella Schiavano, 2022. "Airborne Microorganism Inactivation by a UV-C LED and Ionizer-Based Continuous Sanitation Air (CSA) System in Train Environments," IJERPH, MDPI, vol. 19(3), pages 1-12, January.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:3:p:1559-:d:738392
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    References listed on IDEAS

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    1. Józef S. Pastuszka & Walter Mucha & Agnieszka Wlazło & Danuta Lis & Ewa Marchwińska-Wyrwał & Anna Mainka, 2019. "The Study of the Sterilization of the Indoor Air in Hospital/Clinic Rooms by Using the Electron Wind Generator," IJERPH, MDPI, vol. 16(24), pages 1-11, December.
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    Cited by:

    1. Thi Tham Nguyen & Congrong He & Robyn Carter & Emma L. Ballard & Kim Smith & Robert Groth & Esa Jaatinen & Timothy J. Kidd & Thuy-Khanh Nguyen & Rebecca E. Stockwell & George Tay & Graham R. Johnson &, 2022. "The Effectiveness of Ultraviolet-C (UV-C) Irradiation on the Viability of Airborne Pseudomonas aeruginosa," IJERPH, MDPI, vol. 19(20), pages 1-15, October.
    2. Francesca Cattai & Annunziata D’Orazio & Gianluca Sbardella, 2023. "A Systematic Review on the Application of Ultraviolet Germicidal Irradiation to HVAC Systems," Energies, MDPI, vol. 16(22), pages 1-26, November.

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