The application of High-Efficiency Particulate Air (HEPA) filters in PM2.5 control and their performance evaluation
高效空气过滤器在PM2.5控制中的应用及其性能评价

摘要

高效空气过滤器（HEPA）在控制PM2.5方面发挥着至关重要的作用。本文探讨了HEPA过滤器的工作原理及其在减少空气中细颗粒物浓度方面的应用效果。通过实验分析，评估了几种不同类型HEPA过滤器的性能，包括其对不同粒径颗粒物的捕捉效率、能耗以及使用寿命等关键指标。HEPA过滤器不仅能够显著降低室内PM2.5浓度，还能改善空气质量，为居住者提供更健康的环境。其效能受多种因素影响，如过滤器的设计、使用环境及维护情况等。在实际应用中需综合考虑这些因素以优化HEPA过滤器的使用效果。本研究为进一步提高空气过滤技术提供了理论基础和实践指导。

Abstract

High-Efficiency Particulate Air (HEPA) filters play a crucial role in controlling PM2.5. This paper explores the working principle of HEPA filters and their application effects in reducing the concentration of fine particulate matter in the air. Through experimental analysis, the performance of several different types of HEPA filters is evaluated, including key indicators such as their capture efficiency for particulate matter of different particle sizes, energy consumption, and service life. HEPA filters can not only significantly reduce the indoor PM2.5 concentration but also improve the air quality, providing a healthier environment for residents. Their effectiveness is affected by various factors, such as the design of the filter, the usage environment, and the maintenance situation. In practical applications, these factors need to be comprehensively considered to optimize the usage effect of HEPA filters. This study provides a theoretical basis and practical guidance for further improving air filtration technology.