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基于 UV-C LED 和电离器的连续卫生空气(CSA)系统在列车环境中对空气传播微生物的灭活作用。

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

机构信息

Department of Biomolecular Sciences, University of Urbino Carlo Bo, 61029 Urbino, Italy.

STE-Sanitizing Technologies and Equipments s.r.l., 61020 Petriano, Italy.

出版信息

Int J Environ Res Public Health. 2022 Jan 29;19(3):1559. doi: 10.3390/ijerph19031559.

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.

摘要

改善人们生活环境中的室内空气质量对于保护人类健康非常重要。这尤其适用于公共交通工具,因为空气质量可能会影响乘客、工人和工作人员的健康和安全。为了提供更好的空气质量,许多建筑物和交通工具都配备了加热、通风和空调(HVAC)系统,这些系统通常都配备了过滤器来保留气流中的颗粒物,但它们缺乏持续的空气消毒系统。在这项研究中,开发了一种新的基于 UV-C LED 和离子器的连续消毒空气(CSA)系统,将其安装在火车的 HVAC 中(国际专利:N.PCT/IB2021/054194),并评估了其对各种微生物(细菌和真菌)的消毒效果。该设备在其实验配置(ISO 15714:2019)和火车环境中,都对空气传播微生物的杀灭效果非常显著。在公共交通工具上安装这种 CSA 系统似乎是一种很有前途的解决方案,可以保证高微生物空气质量,同时由于其环保组件,对环境的影响非常低。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/7728/8835313/0dc8d78ff665/ijerph-19-01559-g001.jpg

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