Design of Low Cost, Highly Adsorbent Activated Carbon Fibers for Air/Water Purification PDF Download
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Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
U.S. troops face increasing risk of exposure to chemical and biological warfare threats as poorer nations and terrorist groups turn to these lower cost weapons for their arsenals. Despite the increased menace from these lethal agents, gas mask technology has remained virtually unchanged over the past several decades thus leaving soldiers at risk to newly developed nerve and pathogenic agents designed to defeat conventional GAC gas mask technology. EKOS Materials Corp. proposes a novel activated carbon fiber (ACF) that will combine the low cost and durability of GAC with tailored pore size and pore surface chemistry for improved defense against chemical weapons. One of the key advantages of this ACF is that it can be manufactured in a wide variety of product forms (textiles, felts, papers) which allows for vast design flexibility. Thus the potential exists to utilize carbon coated sub-micron glass fibers to replace both components of the current gas mask (HEPA filter and GAC) to greatly reduce pressure drop and achieve filtration/adsorption in a single step.
Author: Publisher: ISBN: Category : Languages : en Pages : 0
Book Description
U.S. troops face increasing risk of exposure to chemical and biological warfare threats as poorer nations and terrorist groups turn to these lower cost weapons for their arsenals. Despite the increased menace from these lethal agents, gas mask technology has remained virtually unchanged over the past several decades thus leaving soldiers at risk to newly developed nerve and pathogenic agents designed to defeat conventional GAC gas mask technology. EKOS Materials Corp. proposes a novel activated carbon fiber (ACF) that will combine the low cost and durability of GAC with tailored pore size and pore surface chemistry for improved defense against chemical weapons. One of the key advantages of this ACF is that it can be manufactured in a wide variety of product forms (textiles, felts, papers) which allows for vast design flexibility. Thus the potential exists to utilize carbon coated sub-micron glass fibers to replace both components of the current gas mask (HEPA filter and GAC) to greatly reduce pressure drop and achieve filtration/adsorption in a single step.
Author: Publisher: ISBN: Category : Languages : en Pages : 22
Book Description
U.S. troops and civilians face increasing risk of exposure to chemical and biological threats as developing nations and terrorist groups turn to these lower cost weapons for their arsenals. EKOS has developed a novel activated carbon fiber - (ACF) that combines the low cost and durability of GAC with tailored pore size and pore surface chemistry for improved defense against chemical agents. ACF has another key advantage as it can be manufactured in a wide variety of product forms that allows for design flexibility (hoods, masks, parkas, handkerchiefs). In addition, EKOS demonstrated the potential to utilize carbon coated sub-micron glass fibers to replace both components of the current gas mask (HEPA filter and bed of GAC) to greatly reduce pressure drop and achieve filtration/adsorption in a single step. Finally, designed structures obtained through computational fluid dynamics were built through stereolithography (honeycomb and octet truss) then coated with activated carbon to examine a unique strategy for next generation gas masks.
Author: Clark Publisher: CRC Press ISBN: 9780873711142 Category : Technology & Engineering Languages : en Pages : 358
Book Description
This new book presents design, cost, and performance information on the application of GAC in drinking water, including the use of GAC both in the U.S. and overseas. Various design concepts for the unit operations that make up the GAC process are presented in 11 comprehensive, complete chapters, including a special chapter that provides cost equations and comparative cost studies for full scale application of GAC.
Author: Zaid K. Chowdhury Publisher: American Water Works Association ISBN: 1583219072 Category : Technology & Engineering Languages : en Pages : 353
Book Description
"Many books have been written about granular activated carbon. Some focus on the theory of performance and removal mechanisms while others focus on design features. This book focuses on solutions. It describes the challenges facing water providers to provide safe water that is acceptable to their customers, utility experiences using activated carbon, activated carbon applications, and design and procurement approaches. The appendices include detailed case studies and a life-cycle assessment demonstrating favorable sustainability considerations for activated carbon when compared to other treatment technologies. Never before has all of this information been together in one location. The what, why, and how of activated carbon are connected in this book and demonstrate why this treatment technology has maintained its status as an integral treatment technology in the quest for pure water over millennia"--
Author: Teresa J. Bandosz Publisher: Elsevier ISBN: 0080455956 Category : Technology & Engineering Languages : en Pages : 587
Book Description
Activated Carbon Surfaces in Environmental Remediation provides a comprehensive summary of the environmental applications of activated carbons. In order to understand the removal of contaminants and pollutants on activated carbons, the theoretical bases of adsorption phenomena are discussed. The effects of pore structure and surface chemistry are also addressed from both science and engineering perspectives. Each chapter provides examples of real applications with an emphasis on the role of the carbon surface in adsorption or reactive adsorption. The practical aspects addressed in this book cover the broad spectrum of applications from air and water cleaning and energy storage to warfare gas removal and biomedical applications. This book can serve as a handbook or reference book for graduate students, researchers and practitioners with an interest in filtration, water treatment, adsorbents and air cleaning, in addition to environmental policies and regulations. Addresses fundamental carbon science and how it relates to applications of carbon surfaces Describes the broad spectrum of activated carbon applications in environmental remediation Serves as a handbook or reference book for graduate students, researchers and practitioners in the field
Author: Jonathan Y Chen Publisher: Woodhead Publishing ISBN: 0081006780 Category : Technology & Engineering Languages : en Pages : 364
Book Description
Activated Carbon Fiber and Textiles provides systematic coverage of the fundamentals, properties, and current and emerging applications of carbon fiber textiles in a single volume, providing industry professionals and academics working in the field with a broader understanding of these materials. Part I discusses carbon fiber principles and production, including precursors and pyrolysis, carbon fiber spinning, and carbonization and activation. Part II provides more detailed analysis of the key properties of carbon fiber textiles, including their thermal, acoustic, electrical, adsorption, and mechanical behaviors. The final section covers applications of carbon fiber such as filtration, energy protection, and energy and gas storage. Features input from an editor who is an expert in his field: Professor Jonathan Chen has a wealth of experience in the area of activated carbon fiber materials Provides systematic and comprehensive coverage of the key aspects of activated carbon fiber textiles, from their principles, processing, and properties to their industrial applications Offers up-to-date coverage of new technology for the fiber and textiles industries Covers applications such as filtration, energy protection, and energy and gas storage
Author: Ferhan Cecen Publisher: John Wiley & Sons ISBN: 3527639454 Category : Science Languages : en Pages : 409
Book Description
This monograph provides comprehensive coverage of technologies which integrate adsorption and biological processes in water and wastewater treatment. The authors provide both an introduction to the topic as well as a detailed discussion of theoretical and practical considerations. After a review of the basics involved in the chemistry, biology and technology of integrated adsorption and biological removal, they discuss the setup of pilot- and full-scale treatment facilities, covering powdered as well as granular activated carbon. They elucidate the factors that influence the successful operation of integrated systems. Their discussion on integrated systems expands from the effects of environmental to the removal of various pollutants, to regeneration of activated carbon, and to the analysis of such systems in mathematical terms. The authors conclude with a look at future needs for research and develoment. A truly valuable resource for environmental engineers, environmental and water chemists, as well as professionals working in water and wastewater treatment.
Author: Jerry R. Perrich Publisher: Springer ISBN: Category : Business & Economics Languages : en Pages : 274
Book Description
Wastewater characteristics and treatment. Activated carbon. Activated carbon adsorption. Development of design parameters. Contacting systems. Regeneration systems. Total process design and economics. Component equipament design. A guideline to operational procedures and design for granular carbon systems wastewater applications. Safety aspecs of activated carbon technology.
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Author: Clark
Author: Zaid K. Chowdhury
Author: Teresa J. Bandosz
Author: Jonathan Y Chen
Author: Cornell, Howland, Hayes, and Merryfield
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Author: Ferhan Cecen
Author: Jerry R. Perrich