New Aspects Of Spillover Effect In Catalysis

Author : K. Fujimoto,T. Uchijima,M. Masai,T. Inui
Publisher : Elsevier
Page : 434 pages
File Size : 40,5 Mb
Release : 1993-08-23
Category : Science
ISBN : 0080887708

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New Aspects of Spillover Effect in Catalysis by K. Fujimoto,T. Uchijima,M. Masai,T. Inui Pdf

The spillover effect is one of the most promising factors in the enhancement of catalytic reaction rates. The spillover phenemenon was found in the 1960s by several research groups independently. It was defined at the previous International Symposium on Spillover as follows Spillover involves the transport of active species which are adsorbed or formed on a first phase onto another phase that does not adsorb or form the species under the same condition. However, this effect appears typically in the dynamic state, i.e., during reactions, which advance with a considerable reaction rate. This makes it difficult to elucidate the spillover effect through static methods. Therefore, more fundamental investigations are necessary. The development of alternative energy sources and protection of the environment demands highly selective and very rapid catalytic reactions at deviating conditions. To achieve these goals new concepts, such as the spillover effect, are needed. This proceedings book, which comprises 80 papers, contains methods for preparing catalysts in order to realize spillover effects and suggests the most probable mechanisms to explain these non-linear phenomena. It also contains studies on applications of the spillover effect to improve industrial catalytic processes. The book will be invaluable in the development of industrial catalysts and for solving energy and environmental protection problems.

Author : Anonim
Publisher : Unknown
Page : 0 pages
File Size : 53,8 Mb
Release : 1993
Category : Electronic
ISBN : 0444899642

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New Aspects of Spillover Effect in Catalysis by Anonim Pdf

Author : George J. Antos,Abdullah M. Aitani
Publisher : CRC Press
Page : 626 pages
File Size : 43,6 Mb
Release : 2004-02-23
Category : Science
ISBN : 0203913507

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Catalytic Naphtha Reforming, Revised and Expanded by George J. Antos,Abdullah M. Aitani Pdf

Catalytic Naphtha Reforming, Second Edition presents modern, crystal-clear explanations of every aspect of this critical process for generating high-octane reformate products for gasoline blending and production of benzene, toluene, and xylene (BTX) aromatics. The book details the chemistry of naphtha reforming, the preparation and characterization

Author : Raymond Le Van Mao,HaiTao Yan,Abdualhafed Muntasar,Nabil Al-Yassir
Publisher : Elsevier Inc. Chapters
Page : 478 pages
File Size : 48,7 Mb
Release : 2013-07-18
Category : Science
ISBN : 9780128081761

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New and Future Developments in Catalysis by Raymond Le Van Mao,HaiTao Yan,Abdualhafed Muntasar,Nabil Al-Yassir Pdf

Author : Justin S J Hargreaves,S David Jackson,Geoff Webb
Publisher : World Scientific
Page : 308 pages
File Size : 55,7 Mb
Release : 2006-04-11
Category : Technology & Engineering
ISBN : 9781783260157

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Isotopes in Heterogeneous Catalysis by Justin S J Hargreaves,S David Jackson,Geoff Webb Pdf

The purpose of this book is to review the current, state-of-the-art application of isotopic methods to the field of heterogeneous catalysis. Isotopic studies are arguably the ultimate technique in in situ methods for heterogeneous catalysis. In this review volume, chapters have been contributed by experts in the field and the coverage includes both the application of specific isotopes — Deuterium, Tritium, Carbon-14, Sulfur-35 and Oxygen-18 – as well as isotopic techniques — determination of surface mobility, steady state transient isotope kinetic analysis, and positron emission profiling. Contents:Deuterium-Labelling in Mechanistic Studies on Heterogeneous Acid-Base Catalysts (J Sommer & S Walspurger)Application of 14C Radiotracer for the Study of Heterogeneous Catalytic Reactions (Z Paál)Use of 35S Radiotracer in Catalytic Studies (P Tétényi)Tritium in Catalysis (J R Jones & S-Y Lu)Isotopic Exchange of Oxygen Over Oxide Surfaces (J S J Hargreaves & I M Mellor)Oxygen and Hydrogen Surface Mobility in Supported Metal Catalysts. Study by 18O/16O and 2H/1H Exchange (D Duprez)Investigation of Reaction at the Site Level Using SSITKA (S Pansare, A Sirijaruphan & J G Goodwin, Jr.)Positron Emission Profiling — The Ammonia Oxidation Reaction as a Case Study (A M de Jong, E J M Hensen & R A van Santen) Readership: Academic and researchers, as well as postgraduate students in catalysis. Key Features:Addresses a unique niche in the market, outlining the breadth and depth of the application of isotopic methodsContributions by internationally leading groups in the area of heterogeneous catalysisOf general global interest without geographical restrictionsKeywords:Heterogeneous Catalysis;Isotopes;Carbon-14;Oxygen-18;Sulfur-35;Deuterium;Tritium;Kinetics

Author : Anonim
Publisher : Unknown
Page : 394 pages
File Size : 45,7 Mb
Release : 2003
Category : Chemistry
ISBN : UOM:39015057387998

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Russian Chemical Reviews by Anonim Pdf

Author : B. Delmon,P. Grange,G.F. Froment
Publisher : Elsevier
Page : 581 pages
File Size : 54,7 Mb
Release : 1997-01-20
Category : Technology & Engineering
ISBN : 008053435X

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Hydrotreatment and Hydrocracking of Oil Fractions by B. Delmon,P. Grange,G.F. Froment Pdf

The symposium on Hydrotreatment and Hydrocracking of Oil Fractions aims to provide a global perspective and an inspection of the state-of-the-art of these processes. New American, European and Japanese environmental regulations call for advanced hydrotreatment processes for HDS and HDN for the removal of S- and Ni-components from oil fractions. These will alter the product slate of the oil refineries and the hydrocarbon composition of these products. Hydrocracking will play an important part in this shift. Adapting the operating conditions will not suffice to reach the desired product specifications and yields. Adequate catalysts will have to be developed. Powerful tools are now available for this, e.g. surface science techniques, molecular modeling and new types of reactors operated in a nonsteady mode. Another instrument in the improvement of hydrotreatment and hydrocracking units is the availability of more realistic kinetic models. These are based on a judicious insight into the reaction mechanism, also provided by the above-mentioned tools. Progress in the analytical techniques has allowed the reduction of the lumping of components in these kinetic models and first order kinetic equations are gradually replaced by equations accounting for the adsorption of the various components. More detailed and more realistic reactor models are now based on rigorous hydrodynamic models and their application has become possible through the rapidly increasing possibilities of computers.

Author : A. Dabrowski,V.A. Tertykh
Publisher : Elsevier
Page : 923 pages
File Size : 41,6 Mb
Release : 1996-01-15
Category : Technology & Engineering
ISBN : 0080526020

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Adsorption on New and Modified Inorganic Sorbents by A. Dabrowski,V.A. Tertykh Pdf

There has been a lack of authoritative, current information on the structure, investigation and preparation of inorganic sorbents, their numerous applications as well as the adsorption from gaseous and liquid phases on new and chemically modified inorganic solids. This volume deals with the above-mentioned themes and presents 34 up-to-date comprehensive and critical reviews written by well-recognized authorities. The sorbents discussed are primarily mineral ones. Each contribution treats a problem critically by showing its development, presenting documentation on the state-of-the-art and identifying subjects for further research. The book will be of interest to researchers in academic institutes and industrial laboratories engaged in the fields of surface chemistry, inorganic chemistry, adsorption, ion-exchange, catalysis, chromatography and spectroscopy of the surface phenomena, as well as to students attending graduate and postgraduate courses.

Author : Hyun-Ku Rhee,In-Sik Nam,Jong Moon Park
Publisher : Elsevier
Page : 926 pages
File Size : 45,6 Mb
Release : 2006-05-10
Category : Technology & Engineering
ISBN : 0080456510

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New Developments and Application in Chemical Reaction Engineering by Hyun-Ku Rhee,In-Sik Nam,Jong Moon Park Pdf

This Proceedings of APCRE'05 contains the articles that were presented at the 4th Asia-Pacific Chemical Reaction Engineering Symposium (APCRE’05), held at Gyeongju, Korea between June 12 and June 15, 2005, with a theme of "New Opportunities of Chemical Reaction Engineering in Asia-Pacific Region". Following the tradition of APCRE Symposia and ISCRE, the scientific program encompassed a wide spectrum of topics, including not only the traditional areas but also the emerging fields of chemical reaction engineering into which the chemical reaction engineers have successfully spearheaded and made significant contributions in recent years. In addition to the 190 papers being accepted, six plenary lectures and 11 invited lectures are placed in two separate chapters in the front. * Provides an overview of new developments and application in chemical reaction engineering * Topics include traditional and emerging fields * Papers reviewed by experts in the field

Author : H. Chon,S.I. Woo,S.-E. Park
Publisher : Elsevier
Page : 467 pages
File Size : 53,8 Mb
Release : 1996-07-08
Category : Science
ISBN : 0080543901

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Recent Advances and New Horizons in Zeolite Science and Technology by H. Chon,S.I. Woo,S.-E. Park Pdf

This volume was conceived as a handbook for the Pre-Conference Summer School on Zeolites, held in Taejon, Korea. The 11th IZC Summer School was organized to acquaint those already actively working in zeolite science and technology with the latest developments and to develop new prospects of zeolite science and technology for the 21st century. The aim of this volume is to give an extensive review and analysis of the important new findings of the last 10 years on the synthesis, characterization and applications of zeolite materials as well as the prediction of new R&D directions for the next decade.

Author : K Eguchi,M Machida,I Yamanaka
Publisher : Elsevier
Page : 682 pages
File Size : 42,8 Mb
Release : 2007-11-27
Category : Science
ISBN : 0444532021

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Science and Technology in Catalysis by K Eguchi,M Machida,I Yamanaka Pdf

Unsteady-state operations of catalytic reactors provide plentiful opportunities for research and commercial realization of efficient heterogeneous catalytic processes. Forced unsteady state conditions generate unique distributions of process parameters and catalyst states often unattainable with traditional, steady-state operation. The unsteady-states can be created by periodic changes in input flow parameters, such as changes in inlet temperature and composition, catalyst circulation through reaction and regeneration zones, or periodic flow reversals through fixed catalyst bed. This can result in increased productivity, selectivity, capital savings and operating cost reduction (higher energy efficiency). Efficient environmental technologies for treatment of toxic emissions, acid rain and greenhouse gas emissions can also be developed using the unsteady-state concept. The Proceedings communicate recent progress in these areas of research and promote future development. The aims are to establish relations between academia, industry, engineers and scientists from all over the world, to stimulate new catalytic technologies as well as fundamental research, and to create new concepts for the development of effective catalytic systems. It presents the most up-to-date research in catalysis. - contains the most recent developments in catalytic research - includes research finding as well as their application to industry - a thorough source of information on the latest developments of industrial catalysis in Japan

Author : H. Hattori,M. Misono,Y. Ono
Publisher : Elsevier
Page : 556 pages
File Size : 47,6 Mb
Release : 1994-11-01
Category : Technology & Engineering
ISBN : 008088752X

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Acid-Base Catalysis II by H. Hattori,M. Misono,Y. Ono Pdf

Solid acid catalysts are already being used in various processes in petroleum refining and are presently being studied intensively in both academic and applied fields for usage in a variety of reactions. Solid base catalysts are also gaining increasing recognition as potential catalysts. Both acidic and basic catalysts are promising not only with respect to acid and base-catalyzed reactions but also in materials sciences, such as the production of adsorbents, sensors, ceramics, etc. The present volume presents the text of 21 invited oral presentations and 58 poster presentations. The material covers a wide range of aspects on acid-base catalysis, from quantum chemistry to industrialized processes.

Author : B.A. Averill,J.A. Moulijn,R.A. van Santen,P.W.N.M. van Leeuwen
Publisher : Elsevier
Page : 602 pages
File Size : 55,9 Mb
Release : 1999-09-07
Category : Technology & Engineering
ISBN : 0080528643

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Catalysis: An Integrated Approach by B.A. Averill,J.A. Moulijn,R.A. van Santen,P.W.N.M. van Leeuwen Pdf

This book concentrates on industrially relevant reactions which are catalyzed by heterogeneous and homogeneous catalysts. Homogeneous catalysis by metal complexes is treated jointly with heterogeneous catalysis using metallic and non-metallic solids. In both areas the high degree of sophistication of spectroscopic techniques and theoretical modelling has led to an enormous increase in our understanding at the molecular level. This holds for the kinetics of the reactions and the reactivities of the catalysts, as well as for the syntheses of the catalytic materials. The development of catalysis science since the first edition of this book has necessitated a thorough revision, including special chapters on biocatalysis, catalyst characterization and adsorption methods. The multidisciplinary nature of catalysis is reflected in the choice of a novel combination of basic disciplines which will be refreshing and inspiring to readers.

Author : V. Ponec,G.C. Bond
Publisher : Elsevier
Page : 744 pages
File Size : 54,5 Mb
Release : 1995-08-29
Category : Science
ISBN : 0080528651

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Catalysis by Metals and Alloys by V. Ponec,G.C. Bond Pdf

Catalysis by Metals and Alloys

Author : Masakazu Anpo,M. Onaka,H. Yamashita
Publisher : Gulf Professional Publishing
Page : 612 pages
File Size : 46,6 Mb
Release : 2003-07-09
Category : Technology & Engineering
ISBN : 0444513493

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Science and Technology in Catalysis by Masakazu Anpo,M. Onaka,H. Yamashita Pdf

(Selected) -- Plenary Lecures: New Catalysts for Controlled/Living Atom Transfer Radical Polymerization (ATRP; Catalysis and Applications of Gold Nanoparticles -- Oral Presentations: Ionic Liquids as New Solvents and Catalysis for Petrochemical and Refining Processes; High Throughput Experiment on the Investigation of Oxidation Catalysts with Gas Sensor System -- Poster Presentations: Development of a Low-Temperature Dioxin Decomposition Catalyst; Studies on Unique Properties of Polyolefins Prepared with Metallocene Catalyst Systems -- Index.