Advanced Cabin Air Filtration Technical White Paper

This technical white paper discusses advanced cabin air filtration systems used in commercial aircraft, focusing on the integration of High Efficiency Particulate Air (HEPA) filters and activated carbon to enhance air quality and reduce delays caused by fume events. The document outlines the operational challenges airlines face due to unpleasant odors and contaminants in the cabin air, which can lead to significant delays and operational costs. It details the mechanisms by which HEPA filters operate, including direct interception, inertial impaction, and diffusional interaction, achieving high removal efficiencies for airborne particles. The paper also explains the role of activated carbon in adsorbing volatile organic compounds (VOCs) that contribute to odors, highlighting the importance of these filters in maintaining a safe and comfortable cabin environment. Furthermore, it addresses the regulatory landscape surrounding cabin air quality and the collaborative efforts within the industry to improve air filtration standards and practices.