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Catalytic Partial Oxidation Of Propylene For Acrolein Production
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Book Synopsis Catalytic Partial Oxidation of Propylene for Acrolein Production by : Sandra Anni Setyowati Wibawanta
Download or read book Catalytic Partial Oxidation of Propylene for Acrolein Production written by Sandra Anni Setyowati Wibawanta and published by . This book was released on 2011 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: The objective of this thesis, which was to develop a high activity catalyst with 95% selectivity to acrolein at 350oC, was successfully achieved by Mo12Bi1.5Fe0.8Co3.5W0.6K0.04Si1.4P0.7Ox catalyst. The screening tests even when using propylene feed-stocks straight from the refinery by-product without prior purification have proven the consistency in catalytic performance, thereby confirming the reliability of the preparation technique. In trying to make the catalyst more robust, it was physically modified to spheres and pellets and was used successfully in a fixed bed reactor.
Book Synopsis Catalytic Partial Oxidation of Propylene to Acrolein by : Hamzah Fansuri
Download or read book Catalytic Partial Oxidation of Propylene to Acrolein written by Hamzah Fansuri and published by . This book was released on 2005 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reduction-reoxidation of bismuth molybdate is controlled by the diffusion of oxygen ions in the lattice, because the reduction sites do not have to be adjacent to the oxidation sites. The oxygen diffusion rate is in turn controlled by how mobile the lattice oxygen ions are. Hence, the mobile oxygen ions discussed earlier control the catalyst activity in catalysing the reaction of propylene partial oxidation. The examination of several reaction mechanism models has given further evidence that the propylene partial oxidation to acrolein occurs via the redox mechanism. In this mechanism, the rate of acrolein formation depends on the degree of fully oxidised sites in the bismuth molybdate. The oxidised sites affect the apparent reaction orders in propylene and oxygen and thus control the kinetics of partial oxidation of propylene to acrolein. The more easily the reduced catalysts are reoxidised, the more active the catalysts in converting propylene to acrolein. A set of reaction steps has been proposed, which adequately reassembles the reaction mechanism. Side product reactions are also identified and included in the mechanisms. The present thesis has revealed a much detailed insight into the role of lattice oxygen in the catalytic partial oxidation of propylene to acrolein over bismuth molybdates and established the relationship between structure and activity and selectivity of the catalyst. This work has laid a foundation for future catalyst design to be based on structural knowledge of the catalysts.
Book Synopsis An ASPEN Plus\U+2122\ Based Modelling Study of Acrolein Formation and Recovery Processes by : Linlin Yang
Download or read book An ASPEN Plus\U+2122\ Based Modelling Study of Acrolein Formation and Recovery Processes written by Linlin Yang and published by . This book was released on 2004 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acrolein, which has wide industrial applications, can be produced by catalytic partial oxidation of propylene. The Centre for Fuels and Energy has been undertaking an R&D program to develop an Australian technology to produce acrolein. The overall aim of this work is to develop computerised models to satisfactorily describe the kinetics of the propylene catalytic oxidation and the whole acrolein production process. For this purpose, the commercial software, ASPEN Plus\U+2122\, has been employed in the present study. Two kinetic models using ASPEN Plus, Models A and B, have been developed to compute the production rates of acrolein and other by-products during propylene partial oxidation over both (Mo-Pr-Bi) and (Bi-Mo) catalysts, respectively, based on the kinetics reported in the literature. Both models successfully describe the propylene oxidation reactions supported by a good agreement between the simulation results and experimental data. Model A suggests that the reaction scheme of catalytic oxidation of propylene over the (Mo-Pr-Bi) catalyst consists of six reactions, namely, the formation of acrolein, acetaldehyde, acetone and carbon dioxide from parallel oxidation of propylene, and secondary oxidation of acrolein and acetaldehyde to carbon dioxide. Model B, developed for the (Bi-Mo) catalyst, shows that the reaction scheme only includes three parallel propylene oxidation reactions with acrolein, acetaldehyde and carbon dioxide being the products. By analysing the predicted reaction schemes and the selectivities of various products, two mechanisms of the propylene catalytic oxidation reaction are hypothesised for the two catalysts, respectively, further revealing the different performances of the corresponding catalysts.
Book Synopsis An ASPEN PlusǾ̊ Based Modelling Study of Acrolein Formation and Recovery Processes by : Linlin Yang
Download or read book An ASPEN PlusǾ̊ Based Modelling Study of Acrolein Formation and Recovery Processes written by Linlin Yang and published by . This book was released on 2004 with total page 402 pages. Available in PDF, EPUB and Kindle. Book excerpt: Acrolein, which has wide industrial applications, can be produced by catalytic partial oxidation of propylene. The Centre for Fuels and Energy has been undertaking an R&D program to develop an Australian technology to produce acrolein. The overall aim of this work is to develop computerised models to satisfactorily describe the kinetics of the propylene catalytic oxidation and the whole acrolein production process. For this purpose, the commercial software, ASPEN PlusǾ̊, has been employed in the present study. Two kinetic models using ASPEN Plus, Models A and B, have been developed to compute the production rates of acrolein and other by-products during propylene partial oxidation over both (Mo-Pr-Bi) and (Bi-Mo) catalysts, respectively, based on the kinetics reported in the literature. Both models successfully describe the propylene oxidation reactions supported by a good agreement between the simulation results and experimental data. Model A suggests that the reaction scheme of catalytic oxidation of propylene over the (Mo-Pr-Bi) catalyst consists of six reactions, namely, the formation of acrolein, acetaldehyde, acetone and carbon dioxide from parallel oxidation of propylene, and secondary oxidation of acrolein and acetaldehyde to carbon dioxide. Model B, developed for the (Bi-Mo) catalyst, shows that the reaction scheme only includes three parallel propylene oxidation reactions with acrolein, acetaldehyde and carbon dioxide being the products. By analysing the predicted reaction schemes and the selectivities of various products, two mechanisms of the propylene catalytic oxidation reaction are hypothesised for the two catalysts, respectively, further revealing the different performances of the corresponding catalysts.
Book Synopsis The Heterogeneous Catalytic Oxidation of Propylene to Acrolein by : Domenick Edward Cagliostro
Download or read book The Heterogeneous Catalytic Oxidation of Propylene to Acrolein written by Domenick Edward Cagliostro and published by . This book was released on 1968 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Oxidation of Propylene to Acrolein Over a Copper-molybdena Catalyst by : Juan R. Labastida-Bardales
Download or read book Oxidation of Propylene to Acrolein Over a Copper-molybdena Catalyst written by Juan R. Labastida-Bardales and published by . This book was released on 1990 with total page 327 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :Sachindra Sood Publisher :National Library of Canada = Bibliothèque nationale du Canada ISBN 13 :9780612220447 Total Pages :87 pages Book Rating :4.2/5 (24 download)
Book Synopsis One-step Oxidation of Propylene to Acrylic Acid [microform] by : Sachindra Sood
Download or read book One-step Oxidation of Propylene to Acrylic Acid [microform] written by Sachindra Sood and published by National Library of Canada = Bibliothèque nationale du Canada. This book was released on 1995 with total page 87 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Oxygen in Catalysis by : Adam Bielanski
Download or read book Oxygen in Catalysis written by Adam Bielanski and published by CRC Press. This book was released on 1990-11-29 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: A description of catalytic systems commonly used as model systems in the laboratory and as industrial catalysts in large-scale operations, and a discussion of the mechanisms operating in these reactions. Attempts to describe the elementary steps by quantum chemical methods are also shown, as are rec
Book Synopsis Understanding the Partial Oxidation of Propylene Over Silver Catalysts by : Jeffrey Taylor Ranney
Download or read book Understanding the Partial Oxidation of Propylene Over Silver Catalysts written by Jeffrey Taylor Ranney and published by . This book was released on 1998 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Leading Edge Catalyis Research by : Lawrence P. Bevy
Download or read book Leading Edge Catalyis Research written by Lawrence P. Bevy and published by Nova Publishers. This book was released on 2005 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chemical or biological process whereby the presence of an external compound, a catalyst, serves as an agent to cause a chemical reaction to occur or to improve reaction performance without altering the external compound. Catalysis is a very important process from an industrial point of view since the production of most industrially important chemicals involve catalysis. Catalysis research is a major field in applied science, and involves many fields of chemistry and physics. The new book brings together leading research in this vibrant field.
Download or read book Catalysis written by James J Spivey and published by Royal Society of Chemistry. This book was released on 2007-10-31 with total page 337 pages. Available in PDF, EPUB and Kindle. Book excerpt: There is an increasing challenge for chemical industry and research institutions to find cost-efficient and environmentally sound methods of converting natural resources into fuels chemicals and energy. Catalysts are essential to these processes and the Catalysis Specialist Periodical Report series serves to highlight major developments in this area. This series provides systematic and detailed reviews of topics of interest to scientists and engineers in the catalysis field. The coverage includes all major areas of heterogeneous and homogeneous catalysis and also specific applications of catalysis such as NOx control kinetics and experimental techniques such as microcalorimetry. Each chapter is compiled by recognised experts within their specialist fields and provides a summary of the current literature. This series will be of interest to all those in academia and industry who need an up-to-date critical analysis and summary of catalysis research and applications. Catalysis will be of interest to anyone working in academia and industry that needs an up-to-date critical analysis and summary of catalysis research and applications. Specialist Periodical Reports provide systematic and detailed review coverage in major areas of chemical research. Compiled by teams of leading experts in their specialist fields, this series is designed to help the chemistry community keep current with the latest developments in their field. Each volume in the series is published either annually or biennially and is a superb reference point for researchers. www.rsc.org/spr
Download or read book Bismuth written by Ying Zhou and published by BoD – Books on Demand. This book was released on 2018-06-20 with total page 231 pages. Available in PDF, EPUB and Kindle. Book excerpt: Bismuth (Bi) is a post-transition metal element with the atomic number of 83, which belongs to the pnictogen group elements in Period 6 in the elemental periodic table. As a heavy metal, the hazard of Bi is unusually low in contrast to its neighbors Pb and Sb. This property, along with other typical characteristics like strong diamagnetism and low thermal conductivity, makes Bi attractive in industrial applications. There are more than 100 commercial bismuth products, from pharmaceutical to industrial catalysts. Based on the wide applications of Bi materials, this book goes further and mainly focuses on the potential uses of Bi-based materials, which consist of nine chapters. In addition, a special chapter concerning the defect in bismuth is also presented.
Book Synopsis Operando Spectroscopic and Kinetic Study of the Selective Oxidation of Propylene to Acrolein Over Well-defined Supported Vanadium Oxide Catalysts by : Chunli Zhao
Download or read book Operando Spectroscopic and Kinetic Study of the Selective Oxidation of Propylene to Acrolein Over Well-defined Supported Vanadium Oxide Catalysts written by Chunli Zhao and published by . This book was released on 2007 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: The selective oxidation of propylene to acrolein was found to exhibit the following reaction kinetics r = k[C3H6]1 [O2]1/2[*]02, in which [*]0 represents the total number of catalytic surface VO4 active sites/g of catalyst and k is an apparent rate constant that is a function of krds and Kads. The second order dependence on [*]0 suggests that two surface VO4 sites are involved in the rds of propylene oxidation. Although the reaction rate increases as [*]02 with surface vanadia coverage, the most pronounced effect on the reaction kinetics was observed by changing the specific oxide support (ZrO2 & sim; TiO2> Nb2O 5> Al2O3> SiO2). This almost 10 2 variation in Turnover Frequency (TOF) is related to the electron density on the bridging V-O-Support bond that is controlled by the electronegativity of the support cation. Consequently, the lower the support cation electronegativity, the greater the residual electron density on the bridging V-O-support bond for accelerating the redox kinetics.
Book Synopsis Metal Oxides in Heterogeneous Catalysis by : Jacques C. Vedrine
Download or read book Metal Oxides in Heterogeneous Catalysis written by Jacques C. Vedrine and published by Elsevier. This book was released on 2018-01-11 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal Oxides in Heterogeneous Catalysis is an overview of the past, present and future of heterogeneous catalysis using metal oxides catalysts. The book presents the historical, theoretical, and practical aspects of metal oxide-based heterogeneous catalysis. Metal Oxides in Heterogeneous Catalysis deals with fundamental information on heterogeneous catalysis, including reaction mechanisms and kinetics approaches.There is also a focus on the classification of metal oxides used as catalysts, preparation methods and touches on zeolites, mesoporous materials and Metal-organic frameworks (MOFs) in catalysis. It will touch on acid or base-type reactions, selective (partial) and total oxidation reactions, and enzymatic type reactions The book also touches heavily on the biomass applications of metal oxide catalysts and environmentally related/depollution reactions such as COVs elimination, DeNOx, and DeSOx. Finally, the book also deals with future trends and prospects in metal oxide-based heterogeneous catalysis. Presents case studies in each chapter that provide a focus on the industrial applications Includes fundamentals, key theories and practical applications of metal oxide-based heterogeneous catalysis in one comprehensive resource Edited, and contributed, by leading experts who provide perspectives on synthesis, characterization and applications
Book Synopsis Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein by : Duc Duc Truong
Download or read book Synthesis of supported bismuth molybdate catalyst and the application in selective oxidation of propylene to acrolein written by Duc Duc Truong and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Chemical Looping Partial Oxidation by : Liang-Shih Fan
Download or read book Chemical Looping Partial Oxidation written by Liang-Shih Fan and published by Cambridge University Press. This book was released on 2017-10-12 with total page 497 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first comprehensive guide to the principles and techniques of chemical looping partial oxidation. With authoritative explanations from a pioneer of the chemical looping process, you will: • Gain a holistic overview of metal oxide reaction engineering, with coverage of ionic diffusion, nanostructure formation, morphological evolution, phase equilibrium, and recyclability properties of metal oxides during redox reactions • Learn about the gasification of solid fuels, the reforming of natural gas, and the catalytic conversion of methane to olefins • Understand the importance of reactor design and process integration in enabling metal oxide oxygen carriers to produce desired products • Discover other applications of catalytic metal oxides, including the production of maleic anhydride and solar energy conversions Aspen Plus® simulation software and results accompany the book online. This is an invaluable reference for researchers and industry professionals in the fields of chemical, energy and environmental engineering, and students studying process design and optimization.
Book Synopsis The Partial Oxidation of Propene to Acrolein Over Single-crystal Cu2O by : Kirk H. Schulz
Download or read book The Partial Oxidation of Propene to Acrolein Over Single-crystal Cu2O written by Kirk H. Schulz and published by . This book was released on 1991 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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