Prof. Wallace Leung has recently written a new book, “Nanofiber filter technologies for filtration of submicron aerosols and nanoaerosols”, published by Elsevier, 2021.
More than 26 cities in the world have high PM2.5 with over 10,000 counts/cubic centimeter. Hong Kong is no exception due to severe pollution from traffic emissions and the transport of pollutants across the border. The aerosols are dominated by submicron aerosol sizes less than one micrometer/micron and nanoaerosols of less than 100 nanometers. Novel coronavirus (SARS-CoV-2 virus) leading to the COVID-19 pandemic that has paralyzed the entire world in magnitude far beyond anyone’s imagination is in the same size category. Unfortunately, failure to recognize one of the modes of transmission by air of the coronavirus and its variants by the health authorities, experts, and the General Public leads to widespread disease and deaths globally during the first half of 2020 and in some cases even as of today. The book provides strong definitive evidence collected worldwide on the air transmission mode of the virus from residence, hospitals to laboratories. The virus is 60-140 nanometers and when attached to a carrier, it can be easily airborne. The book also provides nanofiber technologies on how the airborne virus can be effectively filtered. The book is written in layman’s language in 14 chapters, 533 pages, covering “fundamentals, deeper understanding, technologies, and applications”, with questions and answers at the end of each chapter. It is suitable for 3rd and 4th year undergraduates, or graduate courses, with contents related to pollution control, aerosols, fluid engineering, material sciences and engineering, and health technologies. To date, it is the first and most comprehensive text on air filtration using nanofiber technologies.
Topic Coverage
4 areas are being covered in the book – Fundamentals, Deeper understanding, Technologies and Applications.
Nanofiber Filter Technologies for Filtration of Submicron Aerosols and Nanoaerosols – 1st Edition (elsevier.com)
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