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Author: Agasthiyaraj L
Publisher: Mohammed Abdul Sattar
ISBN:
Category : Nature
Languages : en
Pages : 0
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Book Description
Human health is harmed by both brief and prolonged period exposure to PM2.5 pollution. Particulate Matter (PM) is commonly divided into two groups, PM2.5 is particles with an aerodynamic diameter lower than 2.5 μm, and if the particles' aerodynamic diameter is between 2.5 to 10 μm then it is PM10. PM2.5 particles are generated by different man-made and natural sources such as vehicular emissions, industrial emissions, power generation emissions, cooking, house cleaning, forest fire, volcano eruption etc. Especially, PM2.5 particles are critically dangerous particles which is capable to interpenetrate into human lungs and bronchi; which causes respiratory diseases like cardiovascular disease, stroke, chronic bronchitis, asthma etc., to human beings. Thus one-third of the effects of PM2.5 pollution is associated with lung cancer, stroke, and chronic vascular disease. Majority of the particulate pollutants consist of organic compounds, such as carbon-derived compounds and also nitrogen and sulfur-based inorganic compounds. Some other sort of primary pollutant is bio-aerosols, which include bacteria, viruses, and fungi. Because they are easily spread by contaminated air, this significantly enhances the risk to human health. These biological pollutants will induce toxigenic, allergic, infectious, and other disorders in both chronic and acute forms. To protect humans from PM2.5 pollution filtration of the air is the best preservation. Resultantly, interest in high-proficiency air filtration technologies which could collect dangerous particles, toxic gases and biological contaminants all at the same time is growing. Also, these high-efficiency air filter media with different multi functionalities that can work in various temperature and humidity conditions for real-time applications is gathering a lot of attention in the past few years.
Author: Agasthiyaraj L
Publisher: Mohammed Abdul Sattar
ISBN:
Category : Nature
Languages : en
Pages : 0
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Book Description
Human health is harmed by both brief and prolonged period exposure to PM2.5 pollution. Particulate Matter (PM) is commonly divided into two groups, PM2.5 is particles with an aerodynamic diameter lower than 2.5 μm, and if the particles' aerodynamic diameter is between 2.5 to 10 μm then it is PM10. PM2.5 particles are generated by different man-made and natural sources such as vehicular emissions, industrial emissions, power generation emissions, cooking, house cleaning, forest fire, volcano eruption etc. Especially, PM2.5 particles are critically dangerous particles which is capable to interpenetrate into human lungs and bronchi; which causes respiratory diseases like cardiovascular disease, stroke, chronic bronchitis, asthma etc., to human beings. Thus one-third of the effects of PM2.5 pollution is associated with lung cancer, stroke, and chronic vascular disease. Majority of the particulate pollutants consist of organic compounds, such as carbon-derived compounds and also nitrogen and sulfur-based inorganic compounds. Some other sort of primary pollutant is bio-aerosols, which include bacteria, viruses, and fungi. Because they are easily spread by contaminated air, this significantly enhances the risk to human health. These biological pollutants will induce toxigenic, allergic, infectious, and other disorders in both chronic and acute forms. To protect humans from PM2.5 pollution filtration of the air is the best preservation. Resultantly, interest in high-proficiency air filtration technologies which could collect dangerous particles, toxic gases and biological contaminants all at the same time is growing. Also, these high-efficiency air filter media with different multi functionalities that can work in various temperature and humidity conditions for real-time applications is gathering a lot of attention in the past few years.
Author: Mehdi Afshari
Publisher: Woodhead Publishing
ISBN: 0081009119
Category : Technology & Engineering
Languages : en
Pages : 650
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Book Description
Electrospun Nanofibers covers advances in the electrospinning process including characterization, testing and modeling of electrospun nanofibers, and electrospinning for particular fiber types and applications. Electrospun Nanofibers offers systematic and comprehensive coverage for academic researchers, industry professionals, and postgraduate students working in the field of fiber science. Electrospinning is the most commercially successful process for the production of nanofibers and rising demand is driving research and development in this field. Rapid progress is being made both in terms of the electrospinning process and in the production of nanofibers with superior chemical and physical properties. Electrospinning is becoming more efficient and more specialized in order to produce particular fiber types such as bicomponent and composite fibers, patterned and 3D nanofibers, carbon nanofibers and nanotubes, and nanofibers derived from chitosan. - Provides systematic and comprehensive coverage of the manufacture, properties, and applications of nanofibers - Covers recent developments in nanofibers materials including electrospinning of bicomponent, chitosan, carbon, and conductive fibers - Brings together expertise from academia and industry to provide comprehensive, up-to-date information on nanofiber research and development - Offers systematic and comprehensive coverage for academic researchers, industry professionals, and postgraduate students working in the field of fiber science
Author: Wallace Woon-Fong Leung
Publisher: Elsevier
ISBN: 0323859852
Category : Technology & Engineering
Languages : en
Pages : 572
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Book Description
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. - Describes technologies with insight and use basic engineering principles to build-up technologies - Includes extensive clear and understandable figures and tables to enhance key concepts - Uses examples throughout to explain engineering principles and interdisciplinary concepts - The only book in the market focusing on nanofiber filter technologies for filtering submicron aerosols and nanoaerosols
Author: Dominique Thomas
Publisher: Elsevier
ISBN: 008102116X
Category : Science
Languages : en
Pages : 228
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Book Description
Filtration of aerosols is omnipresent in our daily lives, in areas as diverse as health, the protection of people and the environment, and air treatment inside buildings. However, the collection of particles within a filter media is not, contrary to popular belief, linked to a simple screen effect. The phenomena involved are much more complex and require the consideration of aerosol interactions, filter media and process conditions to select the best fiber filter for a given application. Aerosol Filtration, book for students, hygiene or process engineers, fibrous media manufacturers, designers, and filtration system suppliers or users addresses the filtration of aerosols in six chapters. These chapters cover physics and aerosol characterization, the fibrous media, and efficiency and filter clogging by solid or liquid aerosols, with special attention to the filtration of the nanoparticles. - Analyses the behavior of fibrous media against solid and liquid aerosols - Presents models of efficiency and pressure drop - Introduces computing elements for estimating the lifetime of filters - Provides guidance for designing filters and predicting their behavior over time
Author: Nesrin Horzum
Publisher: Walter de Gruyter GmbH & Co KG
ISBN: 3110588633
Category : Science
Languages : en
Pages : 405
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Book Description
The last two decades have seen electrospinning of nanofibers performed mainly from solutions of toxic organic solvents. The increase in demand for scaling up electrospinning in recent years therefore requires an environmentally friendly process free of organic solvents. This book addresses techniques for clean and safe electrospinning in the fabrication of green nanofibers and their potential applications.
Author: Jinlian Hu
Publisher: John Wiley & Sons
ISBN: 3527342206
Category : Technology & Engineering
Languages : en
Pages : 1040
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Book Description
Edited by a leading expert in the field with contributions from experienced researchers in fibers and textiles, this handbook reviews the current state of fibrous materials and provides a broad overview of their use in research and development. Volume One focuses on the classes of fibers, their production and characterization, while the second volume concentrates on their applications, including emerging ones in the areas of energy, environmental science and healthcare. Unparalleled knowledge of high relevance to academia and industry.
Author: A. J. Dolman
Publisher: Oxford University Press, USA
ISBN: 0198779305
Category : Science
Languages : en
Pages : 262
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Book Description
This book describes the interaction of greenhouse gasses with the Earth System. It takes the perspective of the Earth as an integrated system and provides examples of both changes in our current climate and those in the geological past. The book gives a required elementary description of the physics of the earth system, the atmosphere and ocean.
Author: William C. Hinds
Publisher: John Wiley & Sons
ISBN: 1118591976
Category : Technology & Engineering
Languages : en
Pages : 411
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Book Description
The #1 guide to aerosol science and technology -now better than ever Since 1982, Aerosol Technology has been the text of choice among students and professionals who need to acquire a thorough working knowledge of modern aerosol theory and applications. Now revised to reflect the considerable advances that have been made over the past seventeen years across a broad spectrum of aerosol-related application areas - from occupational hygiene and biomedical technology to microelectronics and pollution control -this new edition includes: * A chapter on bioaerosols * New sections on resuspension, transport losses, respiratory deposition models, and fractal characterization of particles * Expanded coverage of atmospheric aerosols, including background aerosols and urban aerosols * A section on the impact of aerosols on global warming and ozone depletion. Aerosol Technology, Second Edition also features dozens of new, fully worked examples drawn from a wide range of industrial and research settings, plus new chapter-end practice problems to help readers master the material quickly.
Author: Philip Brown
Publisher: Woodhead Publishing
ISBN: 0081005822
Category : Technology & Engineering
Languages : en
Pages : 318
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Book Description
Fibrous Filter Media comprehensively covers the types, manufacture, applications, performance, and modeling of fibrous filter media. Part I introduces the principles of gas and liquid filtration, while Part II presents an overview of the types of fibrous filters, including details of fiber types, fabric construction, and applications. Part III covers a variety of filtration applications in which fibrous assemblies are used, with examples ranging from filtration for improving air quality, to medical filters, to industrial waste-water filtration. Finally, Part III covers the properties and performance of fibrous filters, including chapters on filter performance and simulation. With its expert editors and international team of contributors, this important book provides information on fibrous filters relevant to fiber and textile scientists, and is also ideal for academics and industry professionals working in the field of filtration. Dr. Philip Brown is Sweetenburg Professor of polymer and textile engineering at Clemson University, USA. Dr. Christopher Cox is Professor of mathematical sciences at Clemson University, USA. - Systematic and comprehensive coverage of the trends and new technologies being developed in the field of fibrous filter media - Focused on the needs of the textiles and filtration industries, with a clear emphasis on applied technology - Contains contributions from an international team of authors edited by an expert in the field
Author: Santosh Kumar Tiwari
Publisher: Springer Nature
ISBN: 3030799794
Category : Science
Languages : en
Pages : 382
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Book Description
The book provides an up-to-date account of the various techniques of fabrication & functionalization of electrospun nanofibers as well as recent advancements. An overview of the advanced applications of such techniques in different areas is also presented. Both experimental and theoretical approaches related to electrospun nanofibers are covered along with a discussion on the inherent properties of electrospun nanofibers. Therefore, this book provides a unique resource not only to established researchers but also newcomers starting out in this field.
