Effect Of Phase Composition Between Gamma And Chi Alumina Supports On Oxygenative Reaction

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Effect of Phase Composition Between Gamma and Chi Alumina Supports on Oxygenative Reaction

Author : Chatchai Meephoka
Publisher :
ISBN 13 :
Total Pages : 242 pages
Book Rating : 4.:/5 (1 download)

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Book Synopsis Effect of Phase Composition Between Gamma and Chi Alumina Supports on Oxygenative Reaction by : Chatchai Meephoka

Download or read book Effect of Phase Composition Between Gamma and Chi Alumina Supports on Oxygenative Reaction written by Chatchai Meephoka and published by . This book was released on 2008 with total page 242 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, the mixed-phase alumina supports were prepared by solvothermal method of a mixed solution of toluene and butan-1-ol and used as supports for Pt/Al2O3 and Ag/Al2O3 catalysts. Characterization results show that the BET surface areas of the gamma and chi alumina are similar but their acidities are different. The effect of phase composition on the catalysts properties was studied in various reactions, i.e., SCR of NO by propene under lean-burn condition, CO oxidation and selective CO oxidation in excess H2. For SCR of NO by propene under lean-burn codition, Ag/Al2O3 catalysts were investigated. The results show that 10% chi alumina catalysts yield the highest activity because of a large amount of Ag metal, which is the major active site for this reaction. For CO oxidation, Pt/Al2O3 catalysts were studied. The results show that the mixed-phase catalysts are more active than both pure gamma and chi alumina except for 10% chi alumina. The high activity is obtained due to high dispersion of platinum oxide on the support. Finally, for CO oxidation under excess H2, the Pt supported on chi alumina is more active than that on gamma alumina because of the weak adsorption of H2 and CO on chi alumina.

Ammonia Synthesis Catalysts: Innovation And Practice

Author : Huazhang Liu
Publisher : World Scientific
ISBN 13 : 9814518808
Total Pages : 895 pages
Book Rating : 4.8/5 (145 download)

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Book Synopsis Ammonia Synthesis Catalysts: Innovation And Practice by : Huazhang Liu

Download or read book Ammonia Synthesis Catalysts: Innovation And Practice written by Huazhang Liu and published by World Scientific. This book was released on 2013-03-21 with total page 895 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a review of worldwide developments in ammonia synthesis catalysts over the last 30 years. It focuses on the new generation of Fe1-xO based catalysts and ruthenium catalysts — both are major breakthroughs for fused iron catalysts. The basic theory for ammonia synthesis is systematically explained, covering topics such as the chemical components, crystal structure, preparation, reduction, performance evaluation, characterization of the catalysts, the mechanism and kinetics of ammonia synthesis reaction. Both theory and practice are combined in this presentation, with emphasis on the research methods, application and exploitation of catalysts.The comprehensive volume includes an assessment of the economic and engineering aspects of ammonia plants based on the performance of catalysts. Recent developments in photo-catalysis, electro-catalysis, biocatalysis and new uses of ammonia are also introduced in this book.The author, Professor Huazhang Liu, has been engaged in research and practice for more than 50 years in this field and was the inventor of the first Fe1-xO based catalysts in the world. He has done a lot of research on Fe3O4 based- and ruthenium based-catalysts, and has published more than 300 papers and obtained 21 patents during his career.

Supported Catalysts and Their Applications

Author : David C Sherrington
Publisher : Royal Society of Chemistry
ISBN 13 : 1847551963
Total Pages : 282 pages
Book Rating : 4.8/5 (475 download)

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Book Synopsis Supported Catalysts and Their Applications by : David C Sherrington

Download or read book Supported Catalysts and Their Applications written by David C Sherrington and published by Royal Society of Chemistry. This book was released on 2007-10-31 with total page 282 pages. Available in PDF, EPUB and Kindle. Book excerpt: The need to improve both the efficiency and environmental acceptability of industrial processes is driving the development of heterogeneous catalysts across the chemical industry, including commodity, specialty and fine chemicals and in pharmaceuticals and agrochemicals. Drawing on international research, Supported Catalysts and their Applications discusses aspects of the design, synthesis and application of solid supported reagents and catalysts, including supported reagents for multi-step organic synthesis; selectivity in oxidation catalysis; mesoporous molecular sieve catalysts; and the use of Zeolite Beta in organic reactions. In addition, the two discrete areas of heterogeneous catalysis (inorganic oxide materials and polymer-based catalysts) that were developing in parallel are now shown to be converging, which will be of great benefit to the whole field. Providing a snapshot of the state-of-the-art in this fast-moving field, this book will be welcomed by industrialists and researchers, particularly in the agrochemicals and pharmaceuticals industries.

Comprehensive Dissertation Index

Author :
Publisher :
ISBN 13 :
Total Pages : 888 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Comprehensive Dissertation Index by :

Download or read book Comprehensive Dissertation Index written by and published by . This book was released on 1984 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Plasma Catalysis

Author : Annemie Bogaerts
Publisher : MDPI
ISBN 13 : 3038977500
Total Pages : 248 pages
Book Rating : 4.0/5 (389 download)

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Book Synopsis Plasma Catalysis by : Annemie Bogaerts

Download or read book Plasma Catalysis written by Annemie Bogaerts and published by MDPI. This book was released on 2019-04-02 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma catalysis is gaining increasing interest for various gas conversion applications, such as CO2 conversion into value-added chemicals and fuels, N2 fixation for the synthesis of NH3 or NOx, methane conversion into higher hydrocarbons or oxygenates. It is also widely used for air pollution control (e.g., VOC remediation). Plasma catalysis allows thermodynamically difficult reactions to proceed at ambient pressure and temperature, due to activation of the gas molecules by energetic electrons created in the plasma. However, plasma is very reactive but not selective, and thus a catalyst is needed to improve the selectivity. In spite of the growing interest in plasma catalysis, the underlying mechanisms of the (possible) synergy between plasma and catalyst are not yet fully understood. Indeed, plasma catalysis is quite complicated, as the plasma will affect the catalyst and vice versa. Moreover, due to the reactive plasma environment, the most suitable catalysts will probably be different from thermal catalysts. More research is needed to better understand the plasma–catalyst interactions, in order to further improve the applications.

Carbon Materials for Catalysis

Author : Philippe Serp
Publisher : John Wiley & Sons
ISBN 13 : 0470403691
Total Pages : 603 pages
Book Rating : 4.4/5 (74 download)

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Book Synopsis Carbon Materials for Catalysis by : Philippe Serp

Download or read book Carbon Materials for Catalysis written by Philippe Serp and published by John Wiley & Sons. This book was released on 2009-02-04 with total page 603 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first comprehensive book covering all aspects of the use of carbonaceous materials in heterogeneous catalysis. It covers the preparation and characterization of carbon supports and carbon-supported catalysts; carbon surface chemistry in catalysis; the description of catalytic, photo-catalytic, or electro-catalytic reactions, including the development of new carbon materials such as carbon xerogels, aerogels, or carbon nanotubes; and new carbon-based materials in catalytic or adsorption processes. This is a premier reference for carbon, inorganic, and physical chemists, materials scientists and engineers, chemical engineers, and others.

Supported Metal Single Atom Catalysis

Author : Philippe Serp
Publisher : Wiley-VCH
ISBN 13 : 9783527348442
Total Pages : 688 pages
Book Rating : 4.3/5 (484 download)

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Book Synopsis Supported Metal Single Atom Catalysis by : Philippe Serp

Download or read book Supported Metal Single Atom Catalysis written by Philippe Serp and published by Wiley-VCH. This book was released on 2022-02-22 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt: b”Supported Metal Single Atom CatalysisCovers all key aspects of supported metal single atom catalysts, an invaluable resource for academic researchers and industry professionals alike Single atom catalysis is one of the most innovative and dynamic research areas in catalysis science. Supported metal catalysts are used extensively across the chemical industry, ranging from fine and bulk chemical production to petrochemicals. Single atom catalysts (SACs) combine the advantages of both homogeneous and heterogeneous catalysts such as catalyst stability, activity, and high dispersion of the active phase. Supported Metal Single Atom Catalysis provides an authoritative and up-to-date overview of the emerging field, covering the synthesis, preparation, characterization, modeling, and applications of SACs. This comprehensive volume introduces the basic principles of single atom catalysis, describes metal oxide and carbon support materials for SAC preparation, presents characterization techniques and theoretical calculations, and discusses SACs in areas including selective hydrogenation, oxidation reactions, activation of small molecules, C-C bond formation, and biomedical applications. Highlights the activity, selectivity, and stability advantages of supported metal SACs compared to other heterogeneous catalysts Covers applications of SACs in thermal catalysis, electrocatalysis, and photocatalysis Includes chapters on single atom alloys and supported double and triple metal atom catalysts Discusses the prospects, challenges, and potential industrial applications of SACs Supported Metal Single Atom Catalysis is an indispensable reference for all those working in the fields of catalysis, solid-state chemistry, materials science, and spectroscopy, including catalytic chemists, organic chemists, electrochemists, theoretical chemists, and industrial chemists.

Deactivation and Regeneration of Zeolite Catalysts

Author : M. Guisnet
Publisher : World Scientific
ISBN 13 : 1848166370
Total Pages : 359 pages
Book Rating : 4.8/5 (481 download)

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Book Synopsis Deactivation and Regeneration of Zeolite Catalysts by : M. Guisnet

Download or read book Deactivation and Regeneration of Zeolite Catalysts written by M. Guisnet and published by World Scientific. This book was released on 2011 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: In chemical processes, the progressive deactivation of solid catalysts is a major economic concern and mastering their stability has become as essential as controlling their activity and selectivity. For these reasons, there is a strong motivation to understand the mechanisms leading to any loss in activity and/or selectivity and to find out the efficient preventive measures and regenerative solutions that open the way towards cheaper and cleaner processes. This book covers in a comprehensive way both the fundamental and applied aspects of solid catalyst deactivation and encompasses the state-of-the-art in the field of reactions catalyzed by zeolites. This particular choice is justified by the widespread use of molecular sieves in refining, petrochemicals and organic chemicals synthesis processes, by the large variety in the nature of their active sites (acid, base, acid-base, redox, bifunctional) and especially by their peculiar features, in terms of crystallinity, structural order and textural properties, which make them ideal models for heterogeneous catalysis. The aim of this book is to be a critical review in the field of zeolite deactivation and regeneration, by collecting a series of contributions by experts in the field which describe the factors, explain the techniques to study the causes and suggest methods to prevent (or limit) catalyst deactivation. At the same time, an anthology of commercial processes and exemplar cases provides the reader with theoretical insights and practical hints on the deactivation mechanisms and draws attention to the key role played by the loss of activity on process design and industrial practice.

NIST-JANAF Thermochemical Tables

Author : Malcolm W. Jr. Chase
Publisher : American Institute of Physics
ISBN 13 : 9781563968310
Total Pages : 1952 pages
Book Rating : 4.9/5 (683 download)

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Book Synopsis NIST-JANAF Thermochemical Tables by : Malcolm W. Jr. Chase

Download or read book NIST-JANAF Thermochemical Tables written by Malcolm W. Jr. Chase and published by American Institute of Physics. This book was released on 1998-08-01 with total page 1952 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis of Solid Catalysts

Author : Krijn P. de Jong
Publisher : John Wiley & Sons
ISBN 13 : 3527320407
Total Pages : 436 pages
Book Rating : 4.5/5 (273 download)

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Book Synopsis Synthesis of Solid Catalysts by : Krijn P. de Jong

Download or read book Synthesis of Solid Catalysts written by Krijn P. de Jong and published by John Wiley & Sons. This book was released on 2009-06-22 with total page 436 pages. Available in PDF, EPUB and Kindle. Book excerpt: This practical book combines recent progress with a discussion of the general aspects of catalyst preparation. The first part deals with the basic principles of solid catalyst preparation, explaining the main aspects of sol-gel chemistry and interfacial chemistry, followed by such techniques as co-precipitation and immobilization. New tools for catalyst preparation research, including microspectroscopy and high-throughput experimentation, are also taken into account. The second part heightens the practical relevance by providing six case studies on such topics as the preparation of zeolites, hydrotreating catalysts, methanol catalysts and gold catalysts

American Doctoral Dissertations

Author :
Publisher :
ISBN 13 :
Total Pages : 696 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis American Doctoral Dissertations by :

Download or read book American Doctoral Dissertations written by and published by . This book was released on 1985 with total page 696 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Basic Principles in Applied Catalysis

Author : Manfred Baerns
Publisher : Springer Science & Business Media
ISBN 13 : 3662059819
Total Pages : 540 pages
Book Rating : 4.6/5 (62 download)

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Book Synopsis Basic Principles in Applied Catalysis by : Manfred Baerns

Download or read book Basic Principles in Applied Catalysis written by Manfred Baerns and published by Springer Science & Business Media. This book was released on 2013-03-09 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by a team of internationally recognized experts, this book addresses the most important types of catalytic reactions and catalysts as used in industrial practice. Both applied aspects and the essential scientific principles are described. The main topics can be summarized as follows: heterogeneous, homogeneous and biocatalysis, catalyst preparation and characterization, catalytic reaction engineering and kinetics, catalyst deactivation and industrial perspective.

Catalytic Application of Nano-Gold Catalysts

Author : Neeraj Kumar Mishra
Publisher : BoD – Books on Demand
ISBN 13 : 9535126407
Total Pages : 142 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis Catalytic Application of Nano-Gold Catalysts by : Neeraj Kumar Mishra

Download or read book Catalytic Application of Nano-Gold Catalysts written by Neeraj Kumar Mishra and published by BoD – Books on Demand. This book was released on 2016-08-31 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gold, considered catalytically inactive for a long time, is now a fascinating partner of modern chemistry, as scientists such as Bond, Teles, Haruta, Hutchings, Ito and Hayashi opened new perspectives for the whole synthetic chemist community. Recently gold has attracted significant attention due to its advantageous characteristics as a catalytic material and since it allows easy functionalization with biologically active molecules. In this context, when gold is prepared as very small particles, it turns out to be a highly active catalyst. However, such a phenomenon completely disappears when the gold particle size grows into the micrometer range. Therefore, the preparation for obtaining an active gold catalyst is so important. The primary objective of this book is to provide a comprehensive overview of gold metal nanoparticles and their application as promising catalysts.

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.F/5 ( download)

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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1993 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Chemisorption and Reactivity on Supported Clusters and Thin Films:

Author : R.M. Lambert
Publisher : Springer Science & Business Media
ISBN 13 : 9401589119
Total Pages : 534 pages
Book Rating : 4.4/5 (15 download)

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Book Synopsis Chemisorption and Reactivity on Supported Clusters and Thin Films: by : R.M. Lambert

Download or read book Chemisorption and Reactivity on Supported Clusters and Thin Films: written by R.M. Lambert and published by Springer Science & Business Media. This book was released on 2013-04-17 with total page 534 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterogeneous catalysis provides the backbone of the world's chemical and oil industries. The innate complexity of practical catalytic systems suggests that useful progress should be achievable by investigating key aspects of catalysis by experimental studies on idealised model systems. Thin films and supported clusters are two promising types of model system that can be used for this purpose, since they mimic important aspects of the properties of practical dispersed catalysts. Similarly, appropriate theoretical studies of chemisorption and surface reaction clusters or extended slab systems can provide valuable information on the factors that underlie bonding and catalytic activity. This volume describes such experimental and theoretical approaches to the surface chemistry and catalytic behaviour of metals, metal oxides and metal/metal oxide systems. An introduction to the principles and main themes of heterogeneous catalysis is followed by detailed accounts of the application of modern experimental and theoretical techniques to fundamental problems. The application of advanced experimental methods is complemented by a full description of theoretical procedures, including Hartree-Fock, density functional and similar techniques. The relative merits of the various approaches are considered and directions for future progress are indicated.

Natural Gas Conversion VI

Author : T.H. Fleisch
Publisher : Elsevier
ISBN 13 : 0080537316
Total Pages : 577 pages
Book Rating : 4.0/5 (85 download)

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Book Synopsis Natural Gas Conversion VI by : T.H. Fleisch

Download or read book Natural Gas Conversion VI written by T.H. Fleisch and published by Elsevier. This book was released on 2001-06-01 with total page 577 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains peer-reviewed manuscripts describing the scientific and technological advances presented at the 6th Natural Gas Conversion Sumposium held in Alaska in June 2001. This symposium continues the tradition of excellence and the status as the premier technical meeting in this area established by previous meetings. The 6th Natural Gas Conversion Symposium is conducted under the overall direction of the Organizing Committee. The Program Committee was responsible for the review, selection, editing of most of the manuscripts included in this volum. A standing International Advisory Board has ensured the effective long-term planning and the continuity and technical excellence of these meetings.

New Advances in Hydrogenation Processes

Author : Maryam Takht Ravanchi
Publisher : BoD – Books on Demand
ISBN 13 : 9535128698
Total Pages : 364 pages
Book Rating : 4.5/5 (351 download)

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Book Synopsis New Advances in Hydrogenation Processes by : Maryam Takht Ravanchi

Download or read book New Advances in Hydrogenation Processes written by Maryam Takht Ravanchi and published by BoD – Books on Demand. This book was released on 2017-01-25 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogen is one of the abundant elements on earth majorly in the form of water (H2O) and mainly as hydrogen gas (H2). Catalytic hydrogenation is a key reaction that has versatile applications in different industries. The main objective of this book is to bring together various applications of hydrogenation through the perspective of leading researchers in the field. This book is intended to be used as a graduate-level text book or as a practical guide for industrial engineers.