activation deactivation and poisoning of catalysts

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Activation Deactivation And Poisoning Of Catalysts

Author : John Butt
ISBN : 9780323140867
Genre : Science
File Size : 44. 66 MB
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Activation, Deactivation, and Poisoning of Catalysts deals with the circumstances and mechanisms underlying catalyst activation, deactivation, and poisoning. The emphasis is on the techniques for handling deactivating systems, not on results per se. Deactivation by fouling and sintering is given consideration. This book is organized into three sections and consists of 12 chapters. The first part is devoted to a systematic development of the manner in which catalysts are activated, deactivated, poisoned, and in some cases reactivated on a microscopic basis. The first chapter explains the concept of the active center as utilized in catalysis, along with catalyst regeneration, rejuvenation, and detoxification. In the second part, the reader is introduced to the problem of heat transfer as well as the transport of reactants and products in the interior of the particle coupled with chemical reaction therein. The macroscopic deactivation behavior of the catalyst particle is described in terms of fundamental kinetic deactivation phenomena and of parameters governing heat and mass transfer. The last part is primarily concerned with a collection of catalyst particles within the reactor, with emphasis on the global activity of the reactor. In the last chapter, a pragmatic approach is presented to predict the design and performance of chemical reactors containing a deactivating catalyst. This book is written for catalytic chemists, researchers, reactor designers, and students interested in catalyst activation, deactivation, and poisoning.

Diffusion Und Chemische Reaktionen In Der Gas Feststoff Katalyse

Author : Frerich Keil
ISBN : 9783642602245
Genre : Science
File Size : 38. 21 MB
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Die modernen Entwicklungen der Theorie der CRT werden beschrieben und umfangreich dokumentiert. Für die praktische Anwendung werden diese Modelle eingeordnet und bewertet. Die Modelle der Katalyse und Diffusionsphänomene werden detailliert behandelt, insbesondere in porösen Medien (Zeolithen, Clays, Nanotubes). Moderne theoretische Methoden wie Molekulardynamik, Monte Carlo- und Quantenchemie werden dargestellt. Adsorption und Desorption in der Katalyse werden sowohl theoretisch als auch experimentell eingehend beschrieben. Zusätzlich wird sehr umfassend die vorhandene Literatur behandelt und bewertet. Damit ist das Buch eine sehr umfassende Darstellung des Status quo, zur Einarbeitung und als Übersicht für Ingenieure und Wissenschaftler in Forschung, Entwicklung und Lehre, in Chemie, chemischer Technik/Verfahrenstechnik und angrenzenden Gebieten.

Advances In Catalyst Deactivation

Author : Calvin H. Bartholomew
ISBN : 9783038421870
Genre : Science
File Size : 55. 37 MB
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This book is a printed edition of the Special Issue "Advances in Catalyst Deactivation" that was published in Catalysts

Combinatorial Catalysis And High Throughput Catalyst Design And Testing

Author : E.G. Derouane
ISBN : 9789401143295
Genre : Science
File Size : 71. 50 MB
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Catalysts are central in modern industrial chemistry and there is an urgent need to develop new catalysts. Such a rapid pace of development brings with it a new set of challenges at all levels of research, from synthesis and characterization to testing and modelling. This book reviews the current status of combinatorial catalysis, scientific catalyst design techniques, methods for preparing inorganic combinatorial libraries, experimental design methods, data processing, system modelling an simulation, and catalyst testing. The individual contributions reveal the development of high throughput catalyst design and test methods and identify the main challenges in the field, including new catalyst preparation techniques, rapid performance evaluation, and new microreactor configurations. Readership: All those working in catalytic process analysis and development. The extensive review of catalysis principles is especially relevant for postgraduate students seeking to pursue studies in catalysis.

Deactivation Of Catalysts

Author : Ronald Hughes
ISBN : UOM:39015006430410
Genre : Science
File Size : 82. 91 MB
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Catalyst Deactivation 1980 International Symposium Proceedings

Author : B. Delmon
ISBN : 9780080954325
Genre : Science
File Size : 47. 83 MB
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Catalyst Deactivation 1980: International Symposium Proceedings

Principles And Practice Of Heterogeneous Catalysis

Author : John Meurig Thomas
ISBN : 9783527314584
Genre : Science
File Size : 31. 65 MB
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This long-awaited second edition of the successful introduction to the fundamentals of heterogeneous catalysis is now completely revised and updated. Written by internationally acclaimed experts, this textbook includes fundamentals of adsorption, characterizing catalysts and their surfaces, the significance of pore structure and surface area, solid-state and surface chemistry, poisoning, promotion, deactivation and selectivity of catalysts, as well as catalytic process engineering. A final section provides a number of examples and case histories. With its color and numerous graphics plus references to help readers to easily find further reading, this is a pivotal work for an understanding of the principles involved.

Catalyst Deactivation 1991

Author : C.H. Bartholomew
ISBN : 008088699X
Genre : Technology & Engineering
File Size : 81. 78 MB
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Catalyst Deactivation 1991 was an expanded version of earlier, highly successful symposia. The symposium featured invited and solicited papers including 4 plenary lectures, 78 oral presentations and 23 poster papers. Most of the papers are contained in this volume. The eight main topics emphasised at this most recent symposium were: deactivation mechanisms/phenomena (carbon deposition, poisoning, and sintering), methods (modeling and techniques), and important catalysts (hydrotreating, oxides, and zeolites). All of these areas were well represented as attested by the substantial number of papers contained in these proceedings. Four review papers based on the plenary lectures provide state-of-the-art perspectives on new thrusts in deactivation research and development.

Catalyst Deactivation 1997

Author : G.A. Fuentes
ISBN : 008052866X
Genre : Technology & Engineering
File Size : 63. 75 MB
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Catalyst Deactivation 1997 focused on 9 key topical areas: carbon deposition and coke formation, chemicals, environmental catalysis, modeling, petroleum processing, poisoning, syngas conversion, techniques, and thermal degradation. All of these areas were well represented at the meeting; moreover, several review articles were presented that provide perspectives on new research and development thrusts. The proceedings of the meeting are organized with six review and award articles at the front of the volume followed by topical articles a keynote, 5-6 oral, and 2-3 poster papers. A list of authors is provided at the end of the book. It should be emphasized that all of the papers were ranked and reviewed by members of the Scientific Committee.

Kirk Othmer Encyclopedia Of Chemical Technology

Author :
ISBN : 9780471484967
Genre : Chemical engineering
File Size : 74. 62 MB
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Presents a wide scope of articles on chemical substances, properties, manufacturing, and uses; on industrial processes, unit operations in chemical engineering; and on fundamentals and scientific subjects related to the field. Describes established technology along with cutting edge topics of interest in the wide field of chemical technology.

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