Abstract
This paper reviews the background and developments of air filters based on electrospun nanofiber materials. Methods of electrospinning in the production of filter materials and their advantages are discussed in detail. Researchers around the globe are working hard to get highly efficient filters at low cost. Famous approaches to build most effective air filters include electrospun nanofiber mats, composite nanofiber mats, and antibacterial nanofiber mats for micro to nano level filtration at a higher rate. Properties like high temperature, alkali, acid, and flame resistance are still constraining the use of nanofiber filters in many industries. Future research should be focused on producing nanofiber mats capable of undergoing extreme conditions.
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