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Gas Phase Catalytic Hydrogenation Of Alkynols Over Palladium And Nickel Catalysts
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Book Synopsis Gas Phase Catalytic Hydrogenation of Alkynols Over Palladium and Nickel Catalysts by : Alberto González Fernández
Download or read book Gas Phase Catalytic Hydrogenation of Alkynols Over Palladium and Nickel Catalysts written by Alberto González Fernández and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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.
Book Synopsis Catalytic Hydrogenation by : L. Cervený
Download or read book Catalytic Hydrogenation written by L. Cervený and published by Elsevier. This book was released on 1986-08-01 with total page 705 pages. Available in PDF, EPUB and Kindle. Book excerpt: The collection of contributions in this volume presents the most up-to-date findings in catalytic hydrogenation. The individual chapters have been written by 36 top specialists each of whom has achieved a remarkable depth of coverage when dealing with his particular topic. In addition to detailed treatment of the most recent problems connected with catalytic hydrogenations, the book also contains a number of previously unpublished results obtained either by the authors themselves or within the organizations to which they are affiliated.Because of its topical and original character, the book provides a wealth of information which will be invaluable not only to researchers and technicians dealing with hydrogenation, but also to all those concerned with homogeneous and heterogeneous catalysis, organic technology, petrochemistry and chemical engineering.
Book Synopsis Reactions in the Solid State by : Michael E. Brown
Download or read book Reactions in the Solid State written by Michael E. Brown and published by Elsevier. This book was released on 1980-01-01 with total page 355 pages. Available in PDF, EPUB and Kindle. Book excerpt: The whole of Volume 22 is devoted to the kinetics and mechanisms of the decomposition and interaction of inorganic solids, extended to include metal carboxylates. After an introductory chapter on the characteristic features of reactions in the solid phase, experimental methods of investigation of solid reactions and the measurement of reaction rates are reviewed in Chapter 2 and the theory of solid state kinetics in Chapter 3. The reactions of single substances, loosely grouped on the basis of a common anion since it is this constituent which most frequently undergoes breakdown, are discussed in Chapter 4, the sequence being effectively that of increasing anion complexity. Chapter 5 covers reactions between solids, and includes catalytic processes where one solid component remains unchanged, double compound formation and rate processes involving the interactions of more than three crystalline phases. The final chapter summarises the general conclusions drawn in the text of Chapter 2-5.
Book Synopsis Basic Principles of Organic Chemistry by : John D. Roberts
Download or read book Basic Principles of Organic Chemistry written by John D. Roberts and published by . This book was released on 1977 with total page 1596 pages. Available in PDF, EPUB and Kindle. Book excerpt: Introduction what is organic chemistry all about?; Structural organic chemistry the shapes of molecules functional groups; Organic nomenclature; Alkanes; Stereoisomerism of organic molecules; Bonding in organic molecules atomic-orbital models; More on nomenclature compounds other than hydrocarbons; Nucleophilic substitution and elimination reactions; Separation and purification identification of organic compounds by spectroscopic techniques; Alkenes and alkynes. Ionic and radical addition reactions; Alkenes and alkynes; Oxidation and reduction reactions; Acidity or alkynes.
Book Synopsis Catalytic and Process Study of the Selective Hydrogenation of Acetylene and 1,3-Butadiene by : Ruijun Hou
Download or read book Catalytic and Process Study of the Selective Hydrogenation of Acetylene and 1,3-Butadiene written by Ruijun Hou and published by Springer. This book was released on 2017-01-05 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis offers novel methods for catalyst and process design for the selective hydrogenation of acetylene and 1,3-butadiene. The author predicts the properties of supported Pd–Ni bimetallic catalysts using density functional theory (DFT) calculations and temperature-programmed desorption (TPD). The excellent correlation between model surfaces and supported catalysts demonstrates the feasibility of designing effective bimetallic catalysts for selective hydrogenation reactions. The author also proposes a method for designing non-precious metal catalysts to replace precious metals. She modifies the process of selective hydrogenation of acetylene by coupling the selective adsorption to the selective hydrogenation in the liquid phase, as a result of which the ethylene selectivity is greatly improved and heat transfer is greatly enhanced. Lastly, by analyzing the mechanism of liquid-phase hydrogenation, the author proposes a multi-stage slurry bed reactor for industrial applications.“/p>
Book Synopsis Three-phase Catalytic Reactors by : P. A. Ramachandran
Download or read book Three-phase Catalytic Reactors written by P. A. Ramachandran and published by Gordon & Breach Publishing Group. This book was released on 1983 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogenation of Alpha Methyl Styrene Over Palladium Catalyst in a Packed Bed with Cocurrent Downflowing Liquid and Gas Phases by : David George Reed Short
Download or read book Hydrogenation of Alpha Methyl Styrene Over Palladium Catalyst in a Packed Bed with Cocurrent Downflowing Liquid and Gas Phases written by David George Reed Short and published by . This book was released on 1970 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Heterogeneous Catalysis and Fine Chemicals IV by : H.U. Blaser
Download or read book Heterogeneous Catalysis and Fine Chemicals IV written by H.U. Blaser and published by Elsevier. This book was released on 1997-06-19 with total page 693 pages. Available in PDF, EPUB and Kindle. Book excerpt: After three meetings in Poitiers, France, the 4th International Symposium on Heterogeneous Catalysis and Fine Chemicals was held under the auspices of the New Swiss Chemical Society in Basel, Switzerland. Fundamental as well as applied contributions on the use of heterogeneous catalysis for the preparation of fine chemicals were presented and discussed. The program consisted of 4 plenary lectures, 28 oral contributions and around 90 posters covering a broad range of reactions and catalytic aspects. 82 of these contributions are collected in the present proceedings, grouped into the following 8 topical areas: - Industrial and engineering problems (7 contributions) - Alkylation and acylation reactions (11 contributions) - Enantio- and diastereoselective hydrogenation reactions (9 contributions) - Chemoselective hydrogenation reactions (12 contributions) - Oxidation reactions (14 contributions) - Immobilized and encapsulated complex catalysts (12 contributions) - Zeolite and clay catalysts (12 contributions) - Miscellaneous topics (5 contributions)
Book Synopsis Synthesis, Characterization and Catalytic Testing of Palladium and Nickel Based Intermetallic Compounds for Acetylene Semi-hydrogenation by : Anish Dasgupta
Download or read book Synthesis, Characterization and Catalytic Testing of Palladium and Nickel Based Intermetallic Compounds for Acetylene Semi-hydrogenation written by Anish Dasgupta and published by . This book was released on 2019 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Intermetallic compounds often offer opportunities for synthesis of site isolated catalysts having precise active site coordination and morphology. They are also resistant to segregation effects (compared to random alloys) because of the high heat of formation of their unique electronically stabilized crystal structures. Due to predictable, periodic and easily reproducible nature of the isolated active sites, suitably chosen intermetallic compounds can act as excellent model systems for studying catalytic structure function correlation in different small molecule chemistries. In the current dissertation I utilized H2-D2 exchange in addition to ethylene and acetylene hydrogenation as the probe reactions of choice. My ultimate target is to understand and quantify the effect of active site (transition metal) isolation during the semi-hydrogenation of acetylene in an ethylene rich stream, which is a key step in industrial polyethylene synthesisa multi-hundred-billion-dollar industry. I studied two different classes of catalysts for this chemistry: Pd-(M)-Zn (M=Cu, Ag, Au) -brass intermetallics and Ni-Ga intermetallics. I used micron scale bulk materials as model catalysts because they provide greater compositional control and allows for studying the intrinsic catalytic property of the intermetallic, free from support and ligand effects.A significant part of the text is dedicated to the synthesis, characterization and catalytic study of the bulk Pd-(M)-Zn ternary -brass phase materials because of its unique adaptability in terms of developing a family of closely related model catalysts having Pd-M-Pd active sites (M=Pd, Zn, Au, Cu and Ag) which can change the semi-hydrogenation activity and selectivity by two orders of magnitude even when only one atom is changed per 52 atom unit cell. As an extension of this project I also report several Pd-Ni-Zn and Pd-Pt-Zn ternary -brass phases and determine their atomic site occupancy factors.During the course of my research I realized there were no reported methods for synthesizing Pd-Zn and Ni-Zn -brass intermetallics as catalytically relevant supported nano-particles (NPs). I developed and optimized a hybrid generalized synthesis approach for SiO2 supported Pd-Zn, Ni-Zn and Cu-Zn -brass NPs. I also provide preliminary evidence that this approach can be easily extended to the synthesis of ternary NPs as well.In the case of Ni-Ga intermetallics, I tried to understand the role of Ga in controlling acetylene semi-hydrogenation. I observed a reversal in the ethylene selectivity trend with Ga content between 85 C and 160 C which is unexpected based on published DFT calculations. Previously, it has been suggested that Ga simply acts as a spacer for isolating Ni/Pd active sites much like Zn in the case of Ni-Zn catalysts (studied by Charles Spanjers from our research group). However, Ga has a higher affinity to hydrogen compared to Zn and I attempted to investigate if Ga may have a weak but non-negligible catalytic contribution towards hydrogenation which has typically not been previously considered in any detail in the case of acetylene semi-hydrogenation on metallic catalysts. Additionally, I provide understanding behind the high acetylene semi-hydrogenation selectivity of Ni5Zn21 catalyst which was originally reported by Spanjers et al. (J. Catal. 2014). This involved identifying the site occupation factor of Ni and Zn in the -brass lattice for materials having greater than 15.4 at% Ni. It is determined that (unlike Pd-Zn -brass) exactly single atom Ni1 active sites are exposed on the surface irrespective of the Ni concentration (even though Ni3 clusters are present in the bulk) which explains the suppression of over-hydrogenation and oligomerization on this catalyst, resulting in the high ethylene selectivity reported by Spanjers et al.
Book Synopsis Selectivity in Catalysis by : Mark E. Davis
Download or read book Selectivity in Catalysis written by Mark E. Davis and published by . This book was released on 1993 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt: Discusses recent research and provides tutorial chapters on enhancing selectivity in catalysis through stereoselectivity, reaction pathway control, shape selectivity, and alloys and clusters. Presents an interdisciplinary approach to increasing selectivity in homogeneous and heterogeneous catalysis research. Includes an overview chapter that discusses the current state of the field and offers a perspective on future directions.
Book Synopsis Heterogeneous Catalysis in Sustainable Synthesis by : Bela Torok
Download or read book Heterogeneous Catalysis in Sustainable Synthesis written by Bela Torok and published by Elsevier. This book was released on 2021-09-17 with total page 678 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterogeneous Catalysis in Sustainable Synthesis is a practical guide to the use of solid catalysts in synthetic chemistry that focuses on environmentally benign applications. Collating essential information on solid catalysts into a single volume, it reveals how the efficient use of heterogeneous catalysts in synthetic chemistry can support sustainable applications. Beginning with a review of the fundamentals of heterogeneous catalytic synthesis, the book then explores the basic concepts of heterogeneous catalytic reactions from adsorption to catalyst poisons, the use of non-traditional activation methods, recommended solvents, the major types of both metal and non-metal solid catalysts, and applications of these catalysts in sustainable synthesis. Based on the extensive experience of its expert author, this book aims to encourage and support synthetic chemists in using solid catalysts in their own work, while also highlighting the important link between heterogeneous catalysis and sustainability to all those interested. Combines foundational knowledge with a focus on practical applications Organizes information by reaction type, allowing readers to easily find examples of how to carry out specific reaction types with solid catalysts Highlights emerging areas such as nanoparticle catalysis and metal-organic framework (MOF) based catalysts
Book Synopsis Catalytic Hydrogenation of Alkynes in the Liquid Phase by :
Download or read book Catalytic Hydrogenation of Alkynes in the Liquid Phase written by and published by . This book was released on 1969 with total page 247 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Supported Palladium Catalysts for Liquid Phase Semi-hydrogenation of Alkynes by : Wyed Shah Abdullah Hussaini
Download or read book Supported Palladium Catalysts for Liquid Phase Semi-hydrogenation of Alkynes written by Wyed Shah Abdullah Hussaini and published by . This book was released on 2018 with total page 120 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Bimetallic Catalysts by : John H. Sinfelt
Download or read book Bimetallic Catalysts written by John H. Sinfelt and published by Wiley-Interscience. This book was released on 1983-09-29 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents an account of the research on bimetallic catalysts. Focuses attention on the possibility of influencing the selectivity of chemical transformations on metal surfaces and preparing metal alloys in a highly dispersed state. Covers the validation and elucidation of the bimetallic cluster concept. Includes figures and tables.
Book Synopsis Industrial Catalysis by : Jens Hagen
Download or read book Industrial Catalysis written by Jens Hagen and published by John Wiley & Sons. This book was released on 2015-11-02 with total page 546 pages. Available in PDF, EPUB and Kindle. Book excerpt: Now in it's 3rd Edition, Industrial Catalysis offers all relevant information on catalytic processes in industry, including many recent examples. Perfectly suited for self-study, it is the ideal companion for scientists who want to get into the field or refresh existing knowledge. The updated edition covers the full range of industrial aspects, from catalyst development and testing to process examples and catalyst recycling. The book is characterized by its practical relevance, expressed by a selection of over 40 examples of catalytic processes in industry. In addition, new chapters on catalytic processes with renewable materials and polymerization catalysis have been included. Existing chapters have been carefully revised and supported by new subchapters, for example, on metathesis reactions, refinery processes, petrochemistry and new reactor concepts. "I found the book accesible, readable and interesting - both as a refresher and as an introduction to new topics - and a convenient first reference on current industrial catalytic practise and processes." Excerpt from a book review for the second edition by P. C. H. Mitchell, Applied Organometallic Chemistry (2007)
Book Synopsis Some Kinetic Studies on the Catalytic Hydrogenation of Mono-alkylbenzenes at Low and High Pressure with Platinum Oxide by : Leon Ciporin
Download or read book Some Kinetic Studies on the Catalytic Hydrogenation of Mono-alkylbenzenes at Low and High Pressure with Platinum Oxide written by Leon Ciporin and published by . This book was released on 1951 with total page 174 pages. Available in PDF, EPUB and Kindle. Book excerpt:
