Equilibria and Dynamics of Gas Adsorption on Heterogeneous Solid Surfaces PDF Download
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Author: W.A. Steele
Publisher: Elsevier
ISBN: 9780080531199
Category : Technology & Engineering
Languages : en
Pages : 883
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Book Description
The fact that the surfaces of real solids are geometrically distorted and chemically non-uniform has long been realized by the scientists investigating various phenomena occurring on solid surfaces. Even in the case when diffraction experiments show a well-organized bulk solid structure, the surface atoms or molecules will usually exhibit a much smaller degree of surface organization. In addition to the results obtained from electron diffraction, this can be seen in the impressive images obtained from STM and AFM microscopies. This geometric and chemical disorder is the source of the energetic heterogeneity for molecules adsorbing on real solid surfaces. Hundreds of papers have been published showing that this heterogeneity is a major factor in determining the behaviour of real adsorption systems. Studies of adsorption on energetically heterogeneous surfaces have proceeded along three somewhat separate paths, with only minor coupling of ideas. One was the study of adsorption equilibria on heterogeneous solid surfaces. The second path was the study of time evolution of adsorption processes such as surface diffusion or adsorption-desorption kinetics on heterogeneous surfaces, and the third was the study of adsorption in porous solids, or more generally, adsorption in systems with limited dimensions. The present monograph is a first attempt to provide a synthesis of the ways that surface geometric and energetic heterogeneities affect both the equilibria and the time evolution of adsorption on real solids. The book contains 17 chapters written by a team of internationally recognized specialists, some of whom have already published books on adsorption.
Author: W.A. Steele
Publisher: Elsevier
ISBN: 9780080531199
Category : Technology & Engineering
Languages : en
Pages : 883
Get Book
Book Description
The fact that the surfaces of real solids are geometrically distorted and chemically non-uniform has long been realized by the scientists investigating various phenomena occurring on solid surfaces. Even in the case when diffraction experiments show a well-organized bulk solid structure, the surface atoms or molecules will usually exhibit a much smaller degree of surface organization. In addition to the results obtained from electron diffraction, this can be seen in the impressive images obtained from STM and AFM microscopies. This geometric and chemical disorder is the source of the energetic heterogeneity for molecules adsorbing on real solid surfaces. Hundreds of papers have been published showing that this heterogeneity is a major factor in determining the behaviour of real adsorption systems. Studies of adsorption on energetically heterogeneous surfaces have proceeded along three somewhat separate paths, with only minor coupling of ideas. One was the study of adsorption equilibria on heterogeneous solid surfaces. The second path was the study of time evolution of adsorption processes such as surface diffusion or adsorption-desorption kinetics on heterogeneous surfaces, and the third was the study of adsorption in porous solids, or more generally, adsorption in systems with limited dimensions. The present monograph is a first attempt to provide a synthesis of the ways that surface geometric and energetic heterogeneities affect both the equilibria and the time evolution of adsorption on real solids. The book contains 17 chapters written by a team of internationally recognized specialists, some of whom have already published books on adsorption.
Author:
Publisher:
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Languages : en
Pages : 890
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Book Description
Author: Jürgen U. Keller
Publisher: Springer Science & Business Media
ISBN: 0387235981
Category : Science
Languages : en
Pages : 430
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Book Description
This book is intended to present for the first time experimental methods to measure equilibria states of pure and mixed gases being adsorbed on the surface of solid materials. It has been written for engineers and scientists from industry and academia who are interested in adsorption based gas separation processes and/or in using gas adsorption for characterization of the porosity of solid materials. This book is the result of a fruitful collaboration of a theoretician (JUK) and an experimentalist (RS) over more than twelve years in the field of gas adsorption systems at the Institute of Fluid- and Thermodynamics (IFT) at the University of Siegen, Siegen, Germany. This collaboration resulted in the development of several new methods to measure not only pure gas adsorption, but gas mixture or coadsorption equilibria on inert porous solids. Also several new theoretical results could be achieved leading to new types of so-called adsorption isotherms based on the concepts of molecular association and – phenomenologically speaking – on that of thermodynamic phases of fractal dimension. Naturally, results of international collaboration of the authors over the years (1980-2000) also are included.
Author: Eduardo J. Bottani
Publisher: Elsevier
ISBN: 9780080559421
Category : Technology & Engineering
Languages : en
Pages : 776
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Book Description
Adsorption by Carbons covers the most significant aspects of adsorption by carbons, attempting to fill the existing gap between the fields of adsorption and carbonaceous materials. Both basic and applied aspects are presented. The first section of the book introduces physical adsorption and carbonaceous materials, and is followed by a section concerning the fundamentals of adsorption by carbons. This leads to development of a series of theoretical concepts that serve as an introduction to the following section in which adsorption is mainly envisaged as a tool to characterize the porous texture and surface chemistry of carbons. Particular attention is paid to some novel nanocarbons, and the electrochemistry of adsorption by carbons is also addressed. Finally, several important technological applications of gas and liquid adsorption by carbons in areas such as environmental protection and energy storage constitute the last section of the book. The first book to address the interplay between carbonaceous materials and adsorption Includes important environmental applications, such as the removal of volatile organic compounds from polluted atmospheres Covers both gas-solid and liquid-solid adsorption
Author: W. Rudzinski
Publisher: Academic Press
ISBN: 0080984363
Category : Technology & Engineering
Languages : en
Pages : 619
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Book Description
All real solid surfaces are heterogeneous to a greater or lesser extent and this book provides a broad yet detailed survey of the present state of gas adsorption. Coverage is comprehensive and extends from basic principles to computer simulation of adsorption. Underlying concepts are clarified and the strengths and weaknesses of the various methods described are discussed. Adsorption isotherm equations for various types of heterogeneous solid surfaces Methods of determining the nature of surface heterogeneity and porosity from experimental data Studies of phase behavior of gases absorbed on heterogeneous solid surfaces Computer simulation of adsorption on heterogeneous solid surfaces
Author: James A. Schwarz
Publisher: CRC Press
ISBN: 9780824746681
Category : Science
Languages : en
Pages : 814
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Book Description
This innovative reference collects state-of-the-art procedures for the construction and design of nanoparticles and porous material while suggesting appropriate areas of application. Presenting both synthesis and characterization protocols, Surfaces of Nanoparticles and Porous Materials contains over 3000 references, tables, equations, drawings, and photographs. It examines the thermodynamics and kinetics of adsorption involving organic and inorganic liquids, solids, and gaseous media.. Topics include characterization, transport processes, diffusion, and the adsorption of heavy metals, ions, proteins, and pharmaceutical organics.
Author: Duong D Do
Publisher: World Scientific
ISBN: 9814493376
Category : Technology & Engineering
Languages : en
Pages : 756
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Book Description
This book presents the latest research on adsorption science and technology. It covers various aspects of materials, solid characterization, equilibria, kinetics determination and new processes. Contents:Cluster Mediated Filling of Water and Alcohol on Microporous Carbon Alloys (K Kaneko et al.)Direct Measurement of Transient Concentration Profiles in Molecular Sieve Particles and Columns by MRI (N Karsten-Bär et al.)Computer Simulation Studies of Wetting on Heterogeneous Surfaces (S Curtarolo et al.)New Adsorbents for Gas Separation by Weak Chemical Bonds (R T Yang)Measurement of Adsorbate Density Profiles in Activated Carbon with the Aid of 1H-MRI (F B Aarden et al.)Interaction Between Adsorption and Condensation Processes in a Pore-Relation Between Condensation Pressure and Pore Width (C Aharoni)Isosteric Heat: A Criterion for Equilibrium Model Selection (A Ahmadpour & D D Do)Adsorption Characteristics and Isotherm Relationships of Activated Carbons Developed from Lignite and Peat (S J Allen et al.)and other papers Readership: Engineers and scientists working in adsorption and separation science and engineering, as well as research students in chemical engineering and physical chemistry. Keywords:
Author: Jozsef Toth
Publisher: CRC Press
ISBN: 9780824707477
Category : Science
Languages : en
Pages : 904
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Book Description
Offers an overview of the recent theoretical and practical results achieved in gas-solid (G/S), liquid-solid (L/S), and gas-liquid (G/L) adsorption research.
Author: D. Do Duong
Publisher: World Scientific
ISBN: 9789810242633
Category : Science
Languages : en
Pages : 764
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Book Description
This book is the proceedings of the second Pacific Basin Conference on Adsorption Science and Technology that was held May 14-18, 2000 in Brisbane, Australia.
Author: G. Kreysa
Publisher: Elsevier
ISBN: 0080528899
Category : Technology & Engineering
Languages : en
Pages : 699
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Book Description
The Fifth International Symposium on the Characterisation of Porous Solids (COPS-V) was held at Heidelberg, Germany, from May 30 to June 2, 1999. About 220 participants from 25 countries enjoyed a very successful meeting with 32 lectures and 155 poster presentations. The Symposium started with a highly stimulating lecture by Sir John Meurig Thomas, Cambridge, highlighting the recent developments in engineering of new catalysts. The following two full sessions were devoted to theory, modelling and simulation which provide the basis for the interpretation of pore structural data of adsorbents and finely dispersed solids. Sessions 2 and 3 focused on the advances in the synthesis and characterisation of highly ordered inorganic adsorbents and carbons. Sessions 4 and 5 addressed important questions with respect to the characterisation of porous solids by sorption measurement and other related techniques. The intensive three-day programme provided a stimulating forum for the exchange of novel research findings, concepts, techniques and materials which are collected in this volume.
