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Nanofiber Filter Technologies for Filtration of Submicron Aerosols and Nanoaerosols - 1st Edition - ISBN: 9780128244685

Nanofiber Filter Technologies for Filtration of Submicron Aerosols and Nanoaerosols

1st Edition

Author: Wallace Woon-Fong Leung
Paperback ISBN: 9780128244685
Imprint: Elsevier
Published Date: 1st November 2021
Page Count: 533
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Nanofiber Filter Technologies for Filtration of Submicron Aerosols and Nanoaerosols covers nanoaerosols and larger submicron aerosols present in high abundance in our surroundings, on the order of ten thousand's per cubic centimeter of air in 26 cities. The book summarizes various new technologies that deploy nanofibers for capturing nanoaerosols and submicron aerosols, such as composite filter, multilayer nanofiber, depth-to-surface filtration with nanofiber filter, cleaning of loaded nanofiber filter by backpulse-and-backblow, single and multilayer charged nanofiber filter, and real aerosols with uncharged and charged nanofiber filter, monodispersed versus polydispersed aerosols challenging nanofiber filter, CFD in simulating depth and cake filtration, etc.

Key Features

  • Describes technologies in a simple, understandable manner
  • Uses basic engineering principles to build-up technologies
  • Provides examples throughout the book for making illustrations
  • Presents figures in a clear and self-explanatory manner to convey the important points
  • Covers when, where and how novel technologies on nanofibers filters can be implemented
  • Includes problems and a summary at end of each chapter to help students reflect on what has been learned


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

Table of Contents

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. Filtration Characteristics of Nanofiber Filter and Multilayer Nanofiber Filter for Depth Filtration
6. Transition from Depth-to-Surface Filtration for a Nanofiber Filter
7. Cake Filtration with a Composite Micro-Nanofiber Filter
8. Electret Filter for Depth and Cake Filtration
9. Numerical Modeling of Aerosol Filtration Using a Nanofiber Filter
10. Cleaning Nanofiber Filter
11. Nanofiber Filter Reuse-repeated loading-cleaning cycles
12. Filtration of ambient aerosols
13. Applications of Nanofiber Filters
14. Outlook


No. of pages:
© Elsevier 2021
1st November 2021
Paperback ISBN:

About the Author

Wallace Woon-Fong Leung

Dr. Wallace Woon-Fong Leung is a Distinguished Research Professor from Hong Kong Polytechnic University. He was formally 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.

Affiliations and Expertise

Distinguished Research Professor, Department of Mechanical Engineering, The Hong Kong Polytechnic University, Hong Kong

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