Supported Heteropoly Acids for Acid Catalysed Reactions PDF Download
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Author: Peter.William Llewelyn
Publisher:
ISBN:
Category :
Languages : en
Pages : 322
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Book Description
Author: Peter.William Llewelyn
Publisher:
ISBN:
Category :
Languages : en
Pages : 322
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Book Description
Author: Hideshi Hattori
Publisher: CRC Press
ISBN: 9814463299
Category : Science
Languages : en
Pages : 511
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Book Description
Solids that possess acidic properties on their surfaces function as catalysts just like liquid acids, such as sulfuric acid and hydrochloric acid. By using solid acid catalysts, chemical processes become more productive and more environmentally friendly. In fact, solid acids are being used in many industrial chemical processes from the largest chem
Author: Anjali Patel
Publisher: Springer Science & Business Media
ISBN: 9400767102
Category : Science
Languages : en
Pages : 269
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Book Description
Over the past twenty years, Catalysis by Heteropolyacids (HPAs) has received wide attention and led to new and promising developments both at academic and industrial level. In particular, heterogeneous catalysis is particularly attractive because it generally satisfies most of green chemistry’s requirements. By emphasizing the development of third generation catalysts, this volume presents trends and opportunities in academic and industrial research. The book appeals to postgraduates, researchers, and chemists working in the field of environmentally benign catalysts as well as catalytic processes.
Author: Makoto Misono
Publisher: Elsevier Inc. Chapters
ISBN: 0128081112
Category : Science
Languages : en
Pages : 65
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Book Description
The chemistry and catalysis of solid heteropoly compounds are described. Heteropoly compounds are heteropolyanions and their derivatives that maintain the polyanion structure (metal oxide clusters), and catalysts of which the compounds are the essential components are called heteropoly catalyst. Heteropoly compounds are called polyoxometalates as well. First, the structure and chemical properties of heteropoly compounds are summarized, emphasizing the acidic and redox properties. The polyanion structure can be preserved in the solid state, if appropriate cautions are paid, and the acid and redox properties can be controlled in a wide range by choosing the polyanion structure and constituent elements. These are the remarkable advantages of the heteropoly catalysts. Then the catalysis and catalyst design of the heteropoly compounds are described in detail. There are actually several industrial processes using heteropoly catalysts as solid acids and oxidation catalysts. It is important to recognize the presence of hierarchical structures (primary, secondary, and tertiary structures) and three major types of catalysis (surface-type and two bulk-type catalyses). Due to this, catalyst design becomes more realistic and unique properties like shape-selective catalysis develop. Moreover, the dynamic behavior of protons and organic molecules can be elucidated by spectroscopic techniques.
Author: R. A. Sheldon
Publisher: John Wiley & Sons
ISBN: 3527612971
Category : Science
Languages : de
Pages : 636
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Book Description
Nowadays, the chemical industry is under increased pressure to develop cleaner production processes and technologies. Much effort is devoted to the development of heterogeneous catalysts and their application in industrial-scale organic synthesis. This handbook concentrates on current attempts, focusing on fine chemical production. With contributions from an impressive array of international experts, this is essential reading for everyone interested in the advances in this field.
Author: Jacob Antonius Elings
Publisher: Coronet Books
ISBN:
Category : Science
Languages : en
Pages : 216
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Book Description
Author: Dr Stefano Protti
Publisher: Royal Society of Chemistry
ISBN: 1839162031
Category : Science
Languages : en
Pages : 602
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Book Description
Recent years have seen huge growth in the area of sustainable chemistry. In order to meet the chemical needs of the global population whilst minimising impacts on health and the environment it is essential to keep reconsidering and improving synthetic processes. Sustainable Organic Synthesis is a comprehensive collection of contributions, provided by specialists in Green Chemistry, covering topics ranging from catalytic approaches to benign and alternative reaction media, and innovative and more efficient technologies.
Author: Majid M. Heravi
Publisher: Elsevier
ISBN: 0323906583
Category : Science
Languages : en
Pages : 390
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Book Description
Heteropolyacids as Highly Efficient and Green Catalysts Applied in Organic Transformations introduces heteropolyacids (HPAs) as promising candidates for use as green catalysts. This book initially presents an overview of chemistry of HPAs, including the history of their discovery and applications, systematic classifications, solubility, coordination and binding chemistry, isomerization, stability, redox activity, acidic properties, basicity, skeleton structure, structure types, self-assemblage, surface area, electrochemical behavior, methods of investigation, and characterization. Other sections present and compare the applications of HPAs as homogeneous and heterogeneous catalysts. The book provides readers with a basic-to-advanced range of knowledge on how useful and green HPAs can be used for use as catalysts in organic transformations and even the synthesis of complex organic molecules. - Focuses on applications of HPAs as catalysts, but also includes basic information on HPAs to make it useful to those researchers and scientists whose activities are focused on biochemical analysis, electrochemistry, electrochemical devices, protection of corrosion, medicine and photo-catalyzed reactions - Includes a subdivision devoted to HPA-catalyzed multicomponent reactions for the synthesis of some biologically active compounds via a double-green strategy - Illustrates reactions with approximately 100 chemical reaction schemes to aid understanding
Author: K. Tanabe
Publisher: Elsevier
ISBN: 0080887554
Category : Technology & Engineering
Languages : en
Pages : 381
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Book Description
This volume summarises and reviews the enormous progress made over the past two decades in solid acids and bases, with emphasis on fundamental aspects and chemical principles. In recent years many new kinds of solid acids and bases have been found and synthesized. The surface properties (in particular, acidic and basic properties) and the structures of the new solids have been clarified by newly developed measurement methods using modern instruments and techniques. The characterized solid acids and bases have been applied as catalysts for diversified reactions, many good correlations being obtained between the acid-base properties and the catalytic activities or selectivities. Recently, acid-base bifunctional catalysis on solid surfaces is becoming a more and more important and intriguing field of study.It has been recognized that the acidic and basic properties of catalysts and catalyst supports play an important role in oxidation, reduction, hydrogenation, hydrocracking, etc. The effect of the preparation method and the pretreatment conditions of solid acids and bases on the acidic and basic properties, the nature of acidic and basic sites and the mechanism regarding the generation of acidity and basicity have been elucidated experimentally and theoretically. On the basis of the accumulated knowledge of solid acids and bases, it is now possible to design and develop highly active and selective solid acid and base catalysts for particular reactions. The chemistry of solid acids and bases is now being related to and utilized in numerous areas including adsorbents, sensors, cosmetics, fuel cells, sensitized pressed papers, and others. The information presented in this book will therefore be of interest to a wide-ranging readership.
Author: C.Richard A. Catlow
Publisher: Elsevier
ISBN: 0128050586
Category : Technology & Engineering
Languages : en
Pages : 372
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Book Description
Modelling and Simulation in the Science of Micro- and Meso-Porous Materials addresses significant developments in the field of micro- and meso-porous science. The book includes sections on Structure Modeling and Prediction, Synthesis, Nucleation and Growth, Sorption and Separation processes, Reactivity and Catalysis, and Fundamental Developments in Methodology to give a complete overview of the techniques currently utilized in this rapidly advancing field. It thoroughly addresses the major challenges in the field of microporous materials, including the crystallization mechanism of porous materials and rational synthesis of porous materials with controllable porous structures and compositions. New applications in emerging areas are also covered, including biomass conversion, C1 chemistry, and CO2 capture. Authored and edited by experts in the field of micro- and meso-porous materials Includes introductory material and background both on the science of microporous materials and on the techniques employed in contemporary modeling studies Rigorous enough for scientists conducting related research, but also accessible to graduate students in chemistry, chemical engineering, and materials science
