Electrospun membranes for air filtration

This chapter focuses on electrospun membranes produced by the electrospinning process for air filtration applications. Air pollution, above all in metropolitan and highly populated cities, can be characterized by particulate (PM2.5 and PM0.1) or gaseous pollutants that can be captured by different mechanisms employing electrospun membranes. The filtration efficiency can be influenced by their properties. Electrospun membranes are characterized by different advantages such as uniform and controllable structure, tunable porosity, and high surface area. Electrospinning is the most employed technique for the production of nanofiber membranes used in air filtration. The materials that can be employed for their production have been well investigated and most of them rely on polymers and biopolymers that are fundamental for determining the overall membrane performance. The presence of additives is often crucial for giving specific properties to the final membrane. Individual protection devices and uses for environmental remediation are the two main areas where electrospun membranes find application in the air filtration sector. © 2023 Elsevier Inc. All rights reserved.