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Coadsorption Promoters And Poisons
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Book Synopsis Coadsorption, Promoters and Poisons by : David Anthony King
Download or read book Coadsorption, Promoters and Poisons written by David Anthony King and published by Elsevier Science & Technology. This book was released on 1993 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Looks at surface chemical problems, in particular coadsorption, promoters and poisons. Specific problems covered include the effect of promoters (especially alkali metals) and poisons in CO, water and hydrogen surface chemistry, including water-gas shift reactions, and in ammonia synthesis.
Book Synopsis Coadsorption, promoters and poisons by :
Download or read book Coadsorption, promoters and poisons written by and published by . This book was released on 1993 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemical Physics of Solid Surfaces and Heterogeneous Catalysis: Coadsorption, promoters, and poisons by : David Anthony King
Download or read book The Chemical Physics of Solid Surfaces and Heterogeneous Catalysis: Coadsorption, promoters, and poisons written by David Anthony King and published by . This book was released on 1981 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Poisoning and Promotion in Catalysis based on Surface Science Concepts and Experiments by : M.P. Kiskinova
Download or read book Poisoning and Promotion in Catalysis based on Surface Science Concepts and Experiments written by M.P. Kiskinova and published by Elsevier. This book was released on 1991-11-29 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: The topics covered in this book include a variety of adsorption and model reaction studies on clean and modified single crystal metal surfaces obtained by means of properly selected surface sensitive techniques. The accent is on the revelation of the physics and chemistry involved in the effects of various modifiers on the adsorptive and reactivity properties of the surface with respect to different reactants. In this book current information that contributes to the fundamental understanding of the effect of additives is summarized. Some of the additives act as promoters, others as poisons, in a number of important catalytic reactions. A description of single- and double-component systems has been obtained by using surface-sensitive techniques, particularly suited for this purpose. For the benefit of the reader, a short summary of the main surface science techniques has been given in Chapter 2. Three general and interrelated topics are reviewed. The first concerns the interaction of electronegative (Cl, S, Se, C, N, O, P) and electropositive (alkali metals) atoms with metal surfaces (Chapter 4). The second topic covers the chemisorptive properties of metal surfaces modified by varying amounts of additives with respect to different reactants (CO, NO, N2, O2, H2, CO2, NH3, H2O and hydrocarbons) (Chapters 5 and 6). In particular the adsorption kinetics and energetics, and the electronic, structural and reactive properties of the coadsorbate systems are considered, whereby particular attention is given to recent surface science studies with well-characterized, single crystal, metal surfaces. In these chapters, special attention is paid to showing the contribution of different factors (the nature and adsorption state of the modifier and the coadsorbed molecule, the structure of the adsorbed layer, the type of interactions in the mixed overlayers, etc.) to the modifier effects. In the discussion of the third topic, model studies of several important catalytic reactions (Fischer-Tropsch synthesis, ammonia synthesis, CO oxidation, water-gas shift synthesis) on modified metal surfaces (Chapter 8) are considered. The book will be particularly useful to scientists who are interested in adsorption phenomena, surface properties and catalysis. It should also prove invaluable to those addressing the questions of condensed matter (surfaces and interfaces), materials science (e.g. corrosion of metals) and electrochemistry.
Book Synopsis Chemical Physics of Solid Surfaces by :
Download or read book Chemical Physics of Solid Surfaces written by and published by . This book was released on with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemical Physics of Solid Surfaces and Heterogeneous Catalysis by : David Anthony King
Download or read book The Chemical Physics of Solid Surfaces and Heterogeneous Catalysis written by David Anthony King and published by . This book was released on 1993 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemical Physics of Solid Surfaces by : D. A. King
Download or read book The Chemical Physics of Solid Surfaces written by D. A. King and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chemical Physics of Solid Surfaces by : D.A. King
Download or read book The Chemical Physics of Solid Surfaces written by D.A. King and published by Elsevier. This book was released on 2012-12-02 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Chemical Physics of Solid Surfaces, Volume 6: Coadsorption, Promoters, and Poisons focuses on the processes, reactions, and approaches involved in coadsorption and the functions of promoters and poisons in synthesis and reactions. The selection first offers information on adsorbate-adsorbate interactions on metal surfaces and interaction between alkali metal adsorbates and adsorbed molecules. Discussions focus on coadsorption of alkali metals and other molecules; model experiments of catalyst promotion; effective medium theory; direct and indirect hybridization effects; and elastic interaction between adsorbates. The publication then ponders on coadsorption of carbon monoxide and hydrogen on metal surfaces and adsorption on bimetallic surfaces. The manuscript examines the chemical properties of alloy single crystal surfaces and promotion in ammonia synthesis. Topics include substrate dependence of nitrogen adsorption and ammonia synthesis; effects of promotion on nitrogen dissociation and ammonia synthesis; and theoretical modeling. The text then elaborates on promotion in the Fischer-Tropsch hydrocarbon synthesis, promoters and poisons in the water-gas shift reaction, and strong metal-support interactions. The selection is a recommended reference for physicists and readers interested in coadsorption, promoters, and poisons.
Book Synopsis The Chemical Physics of Solid Surfaces by : D. A. King
Download or read book The Chemical Physics of Solid Surfaces written by D. A. King and published by . This book was released on 1993 with total page 347 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Electrochemical Activation of Catalysis by : Costas G. Vayenas
Download or read book Electrochemical Activation of Catalysis written by Costas G. Vayenas and published by Springer Science & Business Media. This book was released on 2007-05-08 with total page 597 pages. Available in PDF, EPUB and Kindle. Book excerpt: I knew nothing of the work of C. G. Vayenas on NEMCA until the early nineties. Then I learned from a paper of his idea (gas interface reactions could be catalyzed electrochemically), which seemed quite marvelous; but I did not understand how it worked. Consequently, I decided to correspond with Professor Vayenas in Patras, Greece, to reach a better understanding of this concept. I think that my early papers (1946, 1947, and 1957), on the relationship between the work function of metal surfaces and electron transfer reactions thereat to particles in solution, held me in good stead to be receptive to what Vayenas told me. As the electrode potential changes, so of course, does the work function at the interface, and gas metal reactions there involve adsorbed particles which have bonding to the surface. Whether electron transfer is complete in such a case, or whether the effect is on the desorption of radicals, the work function determines the strength of their bonding, and if one varies the work function by varying the electrode potential, one can vary the reaction rate at the interface. I got the idea. After that, it has been smooth sailing. Dr. Vayenas wrote a seminal article in Modern Aspects of Electrochemistry, Number 29, and brought the field into the public eye. It has since grown and its usefulness in chemical catalytic reactions has been demonstrated and verified worldwide.
Book Synopsis Desorption Induced by Electronic Transitions DIET I by : N. H. Tolk
Download or read book Desorption Induced by Electronic Transitions DIET I written by N. H. Tolk and published by Springer Science & Business Media. This book was released on 2013-03-08 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Workshop on Desorption Induced by Electronic Transitions (DIET) took place May 12-14, 1982, in Williamsburg, Virginia. The meeting brought together, for the first time, most of the leading workers in the fields of electron and photon stimulated desorption from surfaces, as well as many workers in related fields, including sputtering, gas-phase photodissociation and solid-state theory. The emphasis of the workshop was on the microscopic mechanism of stimu lated desorption. Many possible mechanisms have been proposed, and a few new ones emerged at the meeting. Though no consensus was reached, many views were espoused and criticized, frequently with considerable enthusiasm. The result was an appraisal of our current understanding of DIET, and a focus on the experimental and theoretical efforts most likely to lead to new insights. This volume is an attempt to record the information exchanged in this very successful workshop and, perhaps, convey some of the excitement of the field of DIET. The book is a collection of papers written by participants in the DIET workshop, including in addition a contribution from Dietrich Menzel, who was unable to attend. Thus, this book represents a complete statement of the state of the art of experimental and theoretical studies of DIET and related phenomena. More importantly, it addresses the interesting unsolved problems, and suggests strategies for unraveling them. We acknowledge the assistance given by the other members of the organizing committee, A. E. de Vries, R. Gomer, M. L. Knotek, D. Menzel and D. P.
Book Synopsis Oxide Surfaces by : David Anthony King
Download or read book Oxide Surfaces written by David Anthony King and published by Chemical Physics of Solid Surf. This book was released on 2001-05-21 with total page 692 pages. Available in PDF, EPUB and Kindle. Book excerpt: V. 1. Clean solid surfaces -- v. 2. Adsorption at solid surfaces -- v. 3. Chemisorption Systems. (2v.) -- v. 4. Fundamental studies of heterogeneous catalysis -- v. 5. Surface properties of electronic materials -- v. 6. Coadsorption, promoters and poisons.
Book Synopsis Journal of the Chemical Society by :
Download or read book Journal of the Chemical Society written by and published by . This book was released on 1988 with total page 1394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Quantum Chemistry Approaches to Chemisorption and Heterogeneous Catalysis by : F. Ruette
Download or read book Quantum Chemistry Approaches to Chemisorption and Heterogeneous Catalysis written by F. Ruette and published by Springer Science & Business Media. This book was released on 2013-03-14 with total page 379 pages. Available in PDF, EPUB and Kindle. Book excerpt: The development of "high-tech" materials in contemporary industries is deeply related to a detailed understanding of specific surface properties of catalysts which make particular reactions possible. But this understanding presupposes that there exists a body of theory capable of explaining situations not easily accessible to experimental methods and of relating experimental findings among themselves and with theoretical constructs. For these reasons, theoretical developments in surface physics and surface chemistry of transition metal compounds have been of paramount importance in promoting progress in catalysis, electronic devices, corrosion, etc. Although a great variety of spectroscopic methods for analyzing solids and surfaces at molecular scale have been introduced in recent years, nevertheless, many questions about the adsorption sites and intermediates, the effect of promoters, the poisoning of active sites, the nature of segregation of impurities, the process of surface reconstruction, the mechanisms of reactions, etc. have remained unanswered simply because of the great complexity of surface phenomena. It is in this sense that quantum mechanical method- combined with experimental data - may shed some light on the microscopic properties of new surface materials.
Book Synopsis Phase Transitions and Adsorbate Restructuring at Metal Surface by : D.A. King
Download or read book Phase Transitions and Adsorbate Restructuring at Metal Surface written by D.A. King and published by Newnes. This book was released on 2012-12-02 with total page 660 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective in initiating this series in 1980 was to provide an in-depth review of advances made in the understanding key aspects of surface chemistry and physics through the application of new techniques to the study of well-defined surfaces. Since then the field of surface science has greatly matured, and further important techniques, particularly scanning probe microscopies, have been successfully assimilated into the applications armoury of the surface scientist. The present volume is a series of timely reviews by many of the current experts in the field of phase transitions and adsorbate-induced surface restructuring. No aspect of the science of solid surfaces can be fully understood without accounting for the structural diversity of surfaces, now revealed in atomic detail by techniques based on diffraction and scanning probe microscopies. For example, it is now clear to those working in heterogeneous catalysis that adsorbate-induced restructuring of surfaces can play a critical role in phenomena such as bistability, kinetic oscillations, and promotion and poisoning. Structural transitions at surfaces can also play a key role in determining the electronic properties of surfaces, reviewed in volume 5.
Book Synopsis The Chemical Physics of Solid Surfaces and Heterogeneous Catalysis by : David Anthony King
Download or read book The Chemical Physics of Solid Surfaces and Heterogeneous Catalysis written by David Anthony King and published by . This book was released on 1981 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Catalysis written by G C Bond and published by Royal Society of Chemistry. This book was released on 2007-10-31 with total page 216 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is an increasing challenge for chemical industry and research institutions to find cost-efficient and environmentally sound methods of converting natural resources into fuels chemicals and energy. Catalysts are essential to these processes and the Catalysis Specialist Periodical Report series serves to highlight major developments in this area. This series provides systematic and detailed reviews of topics of interest to scientists and engineers in the catalysis field. The coverage includes all major areas of heterogeneous and homogeneous catalysis and also specific applications of catalysis such as NOx control kinetics and experimental techniques such as microcalorimetry. Each chapter is compiled by recognised experts within their specialist fields and provides a summary of the current literature. This series will be of interest to all those in academia and industry who need an up-to-date critical analysis and summary of catalysis research and applications. Catalysis will be of interest to anyone working in academia and industry that needs an up-to-date critical analysis and summary of catalysis research and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading experts in their specialist fields, this series is designed to help the chemistry community keep current with the latest developments in their field. Each volume in the series is published either annually or biennially and is a superb reference point for researchers. www.rsc.org/spr
