Study of Micro-Porous Characteristics of Activated Carbon PDF Download
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Author: Gopinath Halder
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659148477
Category :
Languages : en
Pages : 176
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Book Description
Refrigeration technique on account of its multidimensional approach is obligatory to meet the need for daily life. This mechanism virtually encompasses the transfer of heat from the low temperature region (source) to the high temperature region (sink) by means of a working fluid called refrigerant. Conventional refrigeration, air conditioning and heat pump systems have been employing halogenated refrigerants such as CFCs, HCFCs and HFCs over many decades due to their excellent thermodynamic and thermo-physical properties. But these refrigerants have potent negative impact on the environment. In view of this alarming problem, the exploration of alternative and promising refrigerant having zero ODP and GWP with a suitable refrigeration system for the replacement of halogenated refrigerants is the need of the hour. In this regard, adsorption refrigeration system could be a unique solution. Because, it is well established that activated carbon developed from matured coconut shell has an excellent gas adsorption properties and the process is exothermic, which becomes endothermic during desorption of gases.
Author: Gopinath Halder
Publisher: LAP Lambert Academic Publishing
ISBN: 9783659148477
Category :
Languages : en
Pages : 176
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Book Description
Refrigeration technique on account of its multidimensional approach is obligatory to meet the need for daily life. This mechanism virtually encompasses the transfer of heat from the low temperature region (source) to the high temperature region (sink) by means of a working fluid called refrigerant. Conventional refrigeration, air conditioning and heat pump systems have been employing halogenated refrigerants such as CFCs, HCFCs and HFCs over many decades due to their excellent thermodynamic and thermo-physical properties. But these refrigerants have potent negative impact on the environment. In view of this alarming problem, the exploration of alternative and promising refrigerant having zero ODP and GWP with a suitable refrigeration system for the replacement of halogenated refrigerants is the need of the hour. In this regard, adsorption refrigeration system could be a unique solution. Because, it is well established that activated carbon developed from matured coconut shell has an excellent gas adsorption properties and the process is exothermic, which becomes endothermic during desorption of gases.
Author: Harry Marsh
Publisher: Elsevier
ISBN: 0080455964
Category : Science
Languages : en
Pages : 555
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Book Description
Recent years have seen an expansion in speciality uses of activated carbons including medicine, filtration, and the purification of liquids and gaseous media. Much of current research and information surrounding the nature and use of activated carbon is scattered throughout various literature, which has created the need for an up-to-date comprehensive and integrated review reference. In this book, special attention is paid to porosities in all forms of carbon, and to the modern-day materials which use activated carbons - including fibres, clothes, felts and monoliths. In addition, the use of activated carbon in its granular and powder forms to facilitate usage in liquid and gaseous media is explored. Activated Carbon will make essential reading for Material Scientists, Chemists and Engineers in academia and industry. Characterization of porosity The surface chemistry of the carbons Methods of activation and mechanisms of adsorptio Computer modelling of structure and porosity within carbons Modern instrumental analytical methods
Author:
Publisher: Elsevier
ISBN: 0080528910
Category : Technology & Engineering
Languages : en
Pages : 809
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Book Description
This book contains 99 of the papers that were presented at the 6th in the series of Symposia on Characterization of Porous Solids held in Alicante, Spain, May 2002. Written by leading international specialists in the subject, the contributions represent an up-to-date and authoritative account of recent developments around the world in the major methods used to characterize porous solids. The book is a useful work of reference for anyone interested in characterizing porous solids, such as MCM-41 mesoporous materials, pillared clays, etc. Papers on pore structure determination using gas adsorption feature strongly, together with papers on small angle scattering methods, mercury porosimetry, microcalorimetry, scanning probe microscopies, and image analysis.
Author: Roop Chand Bansal
Publisher: CRC Press
ISBN: 1420028812
Category : Science
Languages : en
Pages : 498
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Book Description
High surface area, a microporous structure, and a high degree of surface reactivity make activated carbons versatile adsorbents, particularly effective in the adsorption of organic and inorganic pollutants from aqueous solutions. Activated Carbon Adsorption introduces the parameters and mechanisms involved in the activated carbon adsorption
Author: Nigel Seaton
Publisher: Royal Society of Chemistry
ISBN: 1847559417
Category : Technology & Engineering
Languages : en
Pages : 459
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Book Description
This unique book is the Proceedings of the 8th International Symposium on the Characterisation of Porous Solids, known also as "COPS VIII". The conference is one of a series, held every three years, which covers developments in methods for the characterisation of porous materials, and applications of those methods. The scope of the conference: COPS VIII is concerned with fundamental and applied research on the characterisation of the structure of porous materials, and the relationship between structure and material performance. The scope includes experimental characterisation methods such as X-Ray diffraction, NMR, adsorption, mercury intrusion, and calorimetry; theoretical and simulation methods used to interpret experimental data, such as molecular simulation, classical and statistical mechanical theory, and pore network modelling; and applied research on the impact of measured material properties on performance in applications.
Author: John W. Patrick
Publisher: John Wiley & Sons
ISBN:
Category : Science
Languages : en
Pages : 352
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Book Description
Porosity in carbons often means different things to different people depending largely on the different applications of the various carbon materials. On the one hand, users involved in gas purification or respiratory protection are concerned primarily with microporosity, and at the other extreme, the user of carbon in the form of metallurgical coke is concerned with macroporosity because of its influence on the mechanical properties of the coke. Between these extremes there is a range of applications which rely on different aspects of the nature of the porous structure and the characterization required reflects the particular application in mind. This characterization of a wide diversity of porous structures presents some problems. However recent developments have produced some solutions, for example computerized image analysis has facilitated the measurement of pore shape and size. The eleven chapters in this book present an analysis of the current methods of characterization and the role of various aspects of carbon porosity in some representative and diverse applications.
Author: Chandrabhan Verma
Publisher: Royal Society of Chemistry
ISBN: 1839169877
Category : Science
Languages : en
Pages : 267
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Book Description
Activated carbon has long been used for filtering contaminants, thanks to its large surface area for adsorption. This, and other properties has led to a growing interest in activated carbon and a broader range of applications. This book explores the various forms of activated carbon, detailing how they can be prepared and characterised. The editors bring together a global team of authors from industry and academia. Their contributions include environmental and medical applications, as well as various industries. Future directions are also considered. The editors are at the Interdisciplinary Center for Research in Advanced Materials, King Fahd University of Petroleum and Minerals, Saudi Arabia. They present an up-to-date and comprehensive reference aimed at all career levels in chemistry and materials science, engineering and research across the diverse industries finding a use for activated carbon.
Author: H. Marsh
Publisher: Elsevier
ISBN: 9780080440309
Category : Science
Languages : en
Pages : 328
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Book Description
Activated Carbon Compendium provides a critical in-depth analysis of recent research into activated carbons, focussing on their wide-ranging applications, and the complexity and flexibility in their manufacture and use. Professor Harry Marsh has selected and reviewed 27 key papers originally published in Carbon over the last five years. The compendium represents an indispensable review of key work in the area. Areas include: The Activation Process, Modifications to Porosity, Properties of Activated carbons, Applications, Theoretical.
Author: Feiyu Kang
Publisher: Elsevier
ISBN: 0128221534
Category : Technology & Engineering
Languages : en
Pages : 874
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Book Description
Carbon materials form pores ranging in size and morphology, from micropores of less than 1nm, to macropores of more than 50nm, and from channel-like spaces with homogenous diameters in carbon nanotubes, to round spaces in various fullerene cages, including irregularly-shaped pores in polycrystalline carbon materials. The large quantity and rapid rate of absorption of various molecules made possible by these attributes of carbon materials are now used in the storage of foreign atoms and ions for energy storage, conversion and adsorption, and for environmental remediation. Porous Carbons: Syntheses and Applications focuses on the fabrication and application of porous carbons. It considers fabrication at three scales: micropores, mesopores, and macropores. Carbon foams, sponges, and 3D-structured carbons are detailed. The title presents applications in four key areas: energy storage, energy conversion, energy adsorption, including batteries, supercapacitors, and fuel cells and environmental remediation, emphasizing the importance of pore structures at the three scales, and the diffusion and storage of various ions and molecules. The book presents a short history of each technique and material, and assesses advantages and disadvantages. This focused book provides researchers with a comprehensive understanding of both pioneering and current synthesis techniques for porous carbons, and their modern applications. Presents modern porous carbon synthesis techniques and modern applications of porous carbons Presents current research on porous carbons in energy storage, conversion and adsorption, and in environmental remediation Provides a history and assessment of both pioneering and current cutting-edge synthesis techniques and materials Covers a significant range of precursor materials, preparation techniques, and characteristics Considers the future development of porous carbons and their various potential applications
Author: Colorado. University. Chemical Engineering Department
Publisher:
ISBN:
Category : Carbon, Activated
Languages : en
Pages : 108
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Book Description
