Shape Selective Catalysis
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Shape Selective Catalysis In Industrial Applications
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Author : N. Y. Chen
language : en
Publisher:
Release Date : 1989
Shape Selective Catalysis In Industrial Applications written by N. Y. Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Science categories.
A guide to current and potential industrial applications of shape selective zeolite catalysis. A manual for workers in the field--and a bridge of technology transfer among various industries--this reference explains the fundamentals of zeolite catalysis, and describes the relation between catalyst structure and catalytic activity, and methods of achieving molecular shape selectivity. Includes chemical reactions using shape selective catalysts, and industrial processes using shape selective zeolites. Potential applications of the technology are in areas such as oil production, shale oil, coal, natural gas, internal combustion engine modification, biomass conversion, and the fermentation, chemical, and waste recovery industries. Annotation(c) 2003 Book News, Inc., Portland, OR (booknews.com)
Shape Selective Catalysis In Industrial Applications Second Edition
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Author : N.Y. Chen
language : en
Publisher: CRC Press
Release Date : 1996-06-04
Shape Selective Catalysis In Industrial Applications Second Edition written by N.Y. Chen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-06-04 with Science categories.
"Examines all known industrial processes using shape selective zeolites. Second Edition contains new, up-to-date information on the specific features that make zeolites shape selective, the role shape selective catalysis can play providing environmentally clean fuels, 12-membered oxygen ring systems, mesopore systems, and more."
Shape Selective Catalysis In Industrial Applications Second Edition
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Author : N.Y. Chen
language : en
Publisher: CRC Press
Release Date : 2023-06-14
Shape Selective Catalysis In Industrial Applications Second Edition written by N.Y. Chen and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-06-14 with Science categories.
"Examines all known industrial processes using shape selective zeolites. Second Edition contains new, up-to-date information on the specific features that make zeolites shape selective, the role shape selective catalysis can play providing environmentally clean fuels, 12-membered oxygen ring systems, mesopore systems, and more."
Molecular Transport And Reaction In Zeolites
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Author : Nai Y. Chen
language : en
Publisher: John Wiley & Sons
Release Date : 1996-12-17
Molecular Transport And Reaction In Zeolites written by Nai Y. Chen and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996-12-17 with Technology & Engineering categories.
This book examines the molecular dynamics that occur within zeolites. Our understanding of how these marvelous catalysts work has been greatly enhanced by the advent ot new tools such as NMR, scanning-transmission-electron microscopy, and sophisticated computer modelling. By combining recent findings and newly developed models with classical developments in the theory of diffusion, this book provides a complete picture of the physical chemistry of hydrocarbon transformation in zeolites. It should be an excellent guide to those involved in catalyst design.
Shape Selective Catalysis
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Author : Chunshan Song
language : en
Publisher:
Release Date : 2000
Shape Selective Catalysis written by Chunshan Song and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Science categories.
When chemical reagents are combined some of the reagents remain unmixed when the reaction is complete. Catalysts can reduce the amount of unmixed reagents, making the reaction more efficient, and the shape of the catalyst can be an important consideration. This volume surveys the field and collects new research on both experimental and theoretical aspects of shape-selective catalysis and catalytic materials.
Industrial Catalysis
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Author : James D Burrington
language : en
Publisher: World Scientific Publishing Company
Release Date : 2016-03-16
Industrial Catalysis written by James D Burrington and has been published by World Scientific Publishing Company this book supported file pdf, txt, epub, kindle and other format this book has been release on 2016-03-16 with Science categories.
Industrial Catalysis: Chemistry and Mechanism is an essential textbook for upper-level undergraduate and graduate students with an interest in the underlying concepts of catalysis, industrial organic chemistry and the mechanism of catalysis. For undergraduates it provides an introduction to the basic catalytic principles and industrial processes. Graduate students will find that the book gives an in-depth understanding of the mechanism of catalytic surface intermediates and the practice of modern catalysis research. For the post graduate and industrial chemist involved in catalysis research, it is a valuable reference text as a compendium of mechanisms by which major industrial catalytic processes operate. This unique book fills the gap between basic organic chemistry and fundamental chemical principles of catalysis, and is a must read for students and researchers in the field.
Characterization And Design Of Zeolite Catalysts
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Author : Miki Niwa
language : en
Publisher: Springer Science & Business Media
Release Date : 2010-08-17
Characterization And Design Of Zeolite Catalysts written by Miki Niwa and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010-08-17 with Science categories.
Catalysis and catalyst is a key technology to solve the problems in energy and environment issues to sustain our human society. We believe that comprehensive understanding of the catalysis and catalyst provides us a chance to develop a new catalyst and contributes greatly to our society. However, the ?eld of heterogeneous catalyst is dif?cultto study andstill stays behindmoredeveloped?elds ofchemistry such as organic and physical chemistries. This is a dilemma to the chemists who study the catalysis and catalyst. While we can accomplish the progress in the - dustrial application, the scienti?c understandingis not complete yet. A gap between the useful application and incomplete scienti?c understanding, however, becomes smaller and smaller in recent years. Because zeolites are ?ne crystals, and the structure is clearly known, the study on the catalysis using the zeolites is easier than those encountered in other catalysts such as metals and metal oxides. Very fortunately, zeolites provide us the strong acidity with the ?ne distribution which enables various useful catalytic reactions. When some metals and cations are loaded in close to the acid sites, these loadede- ments show extraordinarycharacters, and many catalytic reactions proceed thereon.
Catalysis And Zeolites
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Author : Jens Weitkamp
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-04-17
Catalysis And Zeolites written by Jens Weitkamp and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-04-17 with Science categories.
Zeolites occur in nature and have been known for almost 250 years as alumino silicate minerals. Examples are clinoptilolite, mordenite, offretite, ferrierite, erionite and chabazite. Today, most of these and many other zeolites are of great interest in heterogeneous catalysis, yet their naturally occurring forms are of limited value as catalysts because nature has not optimized their properties for catalytic applications and the naturally occurring zeolites almost always contain undesired impurity phases. It was only with the advent of synthetic zeolites in the period from about 1948 to 1959 (thanks to the pioneering work of R. M. Barrer and R. M. Milton) that this class of porous materials began to playa role in catalysis. A landmark event was the introduction of synthetic faujasites (zeolite X at first, zeolite Y slightly later) as catalysts in fluid catalytic cracking (FCC) of heavy petroleum distillates in 1962, one of the most important chemical processes with a worldwide capacity of the order of 500 million t/a. Compared to the previously used amorphous silica-alumina catalysts, the zeolites were not only orders of magnitude more active, which enabled drastic process engineering improvements to be made, but they also brought about a significant increase in the yield of the target product, viz. motor gasoline. With the huge FCC capacity worldwide, the added value of this yield enhancement is of the order of 10 billion US $ per year.
Recent Advances In Shape Selectivity Of Mfi Zeolite And Its Effect On The Catalytic Performance
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Author : Lan Zhang
language : en
Publisher: OAE Publishing Inc.
Release Date : 2023-01-01
Recent Advances In Shape Selectivity Of Mfi Zeolite And Its Effect On The Catalytic Performance written by Lan Zhang and has been published by OAE Publishing Inc. this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-01-01 with Science categories.
MFI zeolite characterized by uniform pore size, adjustable acidity, and high-temperature resistance has a broad application prospect in catalytic reactions. However, controlling the product distribution of zeolite as a catalyst is still confronting great challenges and applications. It is considered as an effective way to control the product distribution by developing and improving new zeolites to modulate their shape selective effect. In recent years, researchers have achieved remarkable successes in investigating the shape selective modulation of zeolites on catalytic reaction and molecular diffusion. The microporous channels of MFI zeolite are the main places for the entry and exit of reactants or product molecules. This review provides the research progress of the shape-selective modulation of MFI zeolite channels and its influence on a series of catalytic performances in recent years. The shape-selective modulation of microporous channels of zeolite, encapsulation of micropores to metals, catalysis of mesoporous zeolite, and the distribution of framework Al were all systematically discussed. The development of advanced catalysts still faces great challenges and potential applications. Finally, we discussed the problems to be addressed urgently in the field of zeolite catalysts in the future.
Atlas Of Zeolite Framework Types
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Author : Ch. Baerlocher
language : en
Publisher: Elsevier
Release Date : 2007-09-12
Atlas Of Zeolite Framework Types written by Ch. Baerlocher and has been published by Elsevier this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-09-12 with Science categories.
Zeolite scientists, whether they are working in synthesis, catalysis, characterization or application development, use the Atlas of Zeolite Framework Types as a reference. It describes the main features of all of the confirmed zeolite framework structures, and gives references to the relevant primary structural literature. Since the last edition 34 more framwork types have been approved and are described in this new edition. A further new feature will be that characteristic building units will be listed for each of the framework types. Zeolites and their analogs are used as desiccants, as water softeners, as shape-selective acid catalysts, as molecular sieves, as concentrators of radioactive isotopes, as blood clotting agents, and even as additives to animal feeds. Recently, their suitability as hosts for nanometer spacing of atomic clusters has also been demonstrated. These diverse applications are a reflection of the fascinating structures of these microporous materials. Each time a new zeolite framework structure is reported, it is examined by the Structure Commission of the International Zeolite Association (IZA-SC), and if it is found to be unique and to conform to the IZA-SC's definition of a zeolite, it is assigned a 3-letter framework type code. This code is part of the official IUPAC nomenclature for microporous materials. The Atlas of Zeolite Framework Types is essentially a compilation of data for each of these confirmed framework types. These data include a stereo drawing showing the framework connectivity, features that characterize the idealized framework structure, a list of materials with this framework type, information on the type material that was used to establish the framework type, and stereo drawings of the pore openings of the type material. * Clear stereo drawings of each of the framework types * Description of the features of the framework type, allowing readers to quickly see if the framework type is suitable to their needs * References to isotypic materials, readers can quickly identify related materials and consult the appropriate reference