Woon-Fong Leung | Nanofiber Filter Technologies for Filtration of Submicron Aerosols and Nanoaerosols | Buch | 978-0-12-824468-5 | sack.de

Buch, Englisch, 570 Seiten, Format (B × H): 191 mm x 235 mm, Gewicht: 1070 g

Woon-Fong Leung

Nanofiber Filter Technologies for Filtration of Submicron Aerosols and Nanoaerosols


Erscheinungsjahr 2021
ISBN: 978-0-12-824468-5
Verlag: William Andrew Publishing

Buch, Englisch, 570 Seiten, Format (B × H): 191 mm x 235 mm, Gewicht: 1070 g

ISBN: 978-0-12-824468-5
Verlag: William Andrew Publishing


Nanofiber Filter Technologies for Filtration of Submicron Aerosols and Nanoaerosols covers the nanoaerosols (less than 100 nanometers) to larger submicron aerosols due mostly to pollution, which are present in high number concentration in our surroundings. People are breathing these nanoaerosols daily without being aware of it. Airborne viruses from flu to coronaviruses are also nanoaerosols. During the COVID-19 pandemic, it took a long time for health authorities and the General Public to recognize the airborne transmission mode of the virus. This leads to inadequate protection and ineffective virus control strategies resulting in high infection and death rates. The book cites evidence and observations pointing to the airborne transmission mode of the coronavirus. It also discusses different filtration technologies using nanofibers to capture these aerosols for short-term filtration, where aerosols are trapped in the filter (depth filtration), and long-term filtration, where aerosols are trapped in the growing filter cake (cake filtration). This book provides a good understanding on how nanofibers, which is of size 1/1000 times that of a normal human hair, can effectively filter these tiny aerosols. NFT, organized in four sections - fundamentals, deep understanding, technologies, and application, covering comprehensively on the subject, is a valuable resource for undergraduates and graduates, engineers, researchers and practitioners in related industries.
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Zielgruppe


University 3rd and 4th year student
Graduate student in university and research institutions
Research fellow and scientists
Engineers in filter media and engineering filtration products
HVAC engineers


Autoren/Hrsg.


Weitere Infos & Material


1. Introduction to submicron aerosols and nanoaerosols
2. Fundamentals of gas filtration of submicron aerosols and nanoaerosols
3. Nanofiber production
4. Filter testing, filter test standards, and filter ratings
5. Multilayering for depth filtration
6. Transition from depth-to-surface filtration 
7. Cake filtration with composite filter 
8. Electret filters for depth and cake filtration
9. Numerical modelling of aerosol filtration using nanofiber filter
10. Cleaning of nanofiber filter
11. Nanofiber filter reuse
12. Filtering ambient aerosols
13. Applications of nanofiber filter
14. Outlook


Woon-Fong Leung, Wallace
Dr. Wallace Woon-Fong Leung is a Distinguished Research Professor from Hong Kong Polytechnic University. He was formerly Chair Professor of Innovative Products and Technologies (2005-2020) and founder and Director of Research Institute of Innovative Products and Technologies (2005-2011) in the same University. He has worked in filtration and separation for 45 years both in industry in the US and academia in Hong Kong from membrane filtration, sedimentation, vacuum filter, centrifugation, air filtration, and photocatalytic oxidation. He has 52 US patents, single-authored 3 books, several handbook chapters, and over 80 SCI papers. He has trained many engineers and graduated 9 PhD students. He is a fellow respectively of AICHE, ASME, AFS, HKIE, and Hong Kong Academy of Engineering Sciences. He is the Chairman of International Delegation on Filtration, 2016 - 2022, with 13 member countries worldwide and Chairman of the 9th and 13th World Filtration Congress in 2004 and 2022, respectively. He received his BSc from Cornell, and both SMME and ScD from MIT. In 2015, he has received the Frank Tiller Award for his lifetime contribution in engineering and education on filtration and separation technologies by the American Filtration and Separations Society. Dr. Leung is also a multidisciplinary engineer, scientist, and educator with international academic and industrial experiences. During the COVID-19 pandemic, he has deployed his invented nanofiber technologies in mass production of highly protective, highly breathable facemasks for the public railroad.


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