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Author : Ch'ang-hwan Kim
Publisher :
ISBN 13 :
Total Pages : 270 pages
Book Rating : 4.3/5 (91 download)
Download or read book Catalytic and Surface Properties of Nanocrystalline Gold Water Gas Shift Catalysts written by Ch'ang-hwan Kim and published by . This book was released on 2005 with total page 270 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Neeraj Kumar Mishra
Publisher : BoD – Books on Demand
ISBN 13 : 9535126407
Total Pages : 142 pages
Book Rating : 4.5/5 (351 download)
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.
Author : Hwan Kim Chang
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (129 download)
Download or read book Deactivation of Supported Nanocrystalline Gold Water Gas Shift Catalysts written by Hwan Kim Chang and published by . This book was released on 2005 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Qi Fu
Publisher :
ISBN 13 :
Total Pages : 430 pages
Book Rating : 4.:/5 (19 download)
Download or read book Activity and Stability of Nanostructured Gold-cerium Oxide Catalysts for the Water-gas Shift Reaction written by Qi Fu and published by . This book was released on 2004 with total page 430 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advanced low-temperature water-gas shift (LTS) catalysts of high activity and stability are under development to produce essentially CO-free hydrogen to feed PEM fuel cells for power generation. Materials based on nanocrystalline cerium oxide (ceria) are among the most promising LTS catalysts. Understanding the structural properties relationship with the WGS activity is fundamentally important in order to rational design the catalysts.
Author : Steven Taylor Evans
Publisher :
ISBN 13 :
Total Pages : 246 pages
Book Rating : 4.:/5 (89 download)
Download or read book Studies of the Water-gas Shift Reaction Over Supported Gold and Platinum Catalysts written by Steven Taylor Evans and published by . This book was released on 2004 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Christopher Panaritis
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (129 download)
Download or read book Metal-Support Interaction and Electrochemical Promotion of Nano-Structured Catalysts for the Reverse Water Gas Shift Reaction written by Christopher Panaritis and published by . This book was released on 2021 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The continued release of fossil-fuel derived carbon dioxide (CO2) emissions into our atmosphere led humanity into a climate and ecological crisis. Converting CO2 into valuable chemicals and fuels will replace and diminish the need for fossil fuel-derived products. Through the use of a catalyst, CO2 can be transformed into a commodity chemical by the reverse water gas shift (RWGS) reaction, where CO2 reacts with renewable hydrogen (H2) to form carbon monoxide (CO). CO then acts as the source molecule in the Fischer-Tropsch (FT) synthesis to form a range of hydrocarbons to manufacture chemicals and fuels. While the FT synthesis is a mature process, the conversion of CO2 into CO has yet to be made commercially available due to the constraints associated with high reaction temperature and catalytic stability. Noble metal ruthenium (Ru) has been widely used for the RWGS reaction due to its high catalytic activity, however, several constraints hinder its practical use, associated with its high cost and its susceptibility to deactivation. The doping or bimetallic use of non-noble metals iron (Fe) and cobalt (Co) is an attractive option to lower material cost and tailor the selectivity of the CO2 conversion towards the RWGS reaction without compromising catalytic activity. Furthermore, employing nanostructured catalysts as nanoparticles is a viable solution to further lower the amount of metal used and utilize the highly active surface area of the catalyst. Dispersing nanoparticles on ionically conductive supports/solid electrolytes which contain species like O2−, H+, Na+, and K+, provide an approach to further enhance the reaction. This phenomenon is referred to as metal-support interaction (MSI), allowing for the ions to back spillover from the support and onto the catalyst surface. An in-situ approach referred to as Non-Faradaic Modification of catalytic activity (NEMCA), also known as electrochemical promotion of catalysis (EPOC) is used to in-situ control the movement of ionic species from the solid electrolyte to and away from the catalyst. Both the MSI and EPOC phenomena have been shown to be functionally equivalent, meaning the ionic species act to alter the work function of the catalyst by forming an effective neutral double layer on the surface, which in turn alters the binding energy of the reactant and intermediate species to promote the reaction. The main objective of this work is to develop a catalyst that is highly active and selective to the RWGS reaction at low temperatures (
Author : Panagiotis Smirniotis
Publisher : Elsevier
ISBN 13 : 0444633537
Total Pages : 280 pages
Book Rating : 4.4/5 (446 download)
Download or read book Water Gas Shift Reaction written by Panagiotis Smirniotis and published by Elsevier. This book was released on 2015-06-11 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Water Gas Shift Reaction: Research Developments and Applications outlines the importance of hydrogen as a future fuel, along with the various hydrogen production methods. The book explains the development of catalysts for Water Gas Shift (WGS) reaction at different temperatures and steam/CO ratios, and also discussing the effect of different dopants on the WGS activity of iron oxide and the promotion and inhibition roles of the dopants on the WGS activity of iron oxide are explained. In addition, the book describes extensive characterization of modified ferrite catalysts, especially with Mossbauer spectroscopy and its advantage in understanding properties of metal doped ferrite catalysts, the exact dopant location, and its effect on electron hopping capability and WGS activity of Fe redox couple. Outlines the importance of the Water Gas Shift Reaction and its application for hydrogen production Provides detailed information on potential catalysts, their development, and their pros and cons, giving the reader insights on how modified ferrite catalysts work at different temperatures and different steam to CO ratios Reviews hydrogen technology, its current importance, and production methods Presents a clear presentation of the topics with many graphics and tables Offers basic and advanced knowledge of catalysts characterization instrumental techniques
Author : Connie Mei Yu Yeung
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (111 download)
Download or read book Nano-engineering of Water-gas Shift Catalysts written by Connie Mei Yu Yeung and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "The principal aim of this research was to develop active catalytic systems for hydrogen production on a small scale via the WGS reaction. Because of the superior properties of NM/Ceria over commercial CU/ZnO as a low temperature WGS catalyst, the NM/Ceria based catalysts were the focus of this study for further improvements." - scope of thesis.
Author : Sang-Eon Park
Publisher : Elsevier
ISBN 13 : 0080472176
Total Pages : 626 pages
Book Rating : 4.0/5 (84 download)
Download or read book Carbon Dioxide Utilization for Global Sustainability written by Sang-Eon Park and published by Elsevier. This book was released on 2004-10-27 with total page 626 pages. Available in PDF, EPUB and Kindle. Book excerpt: Addressing global environmental problems, such as global warming is essential to global sustainability. Continued research leads to advancement in standard methods and produces new data. Carbon Dioxide Utilization for Global Sustainability: Proceedings of the 7th ICCDU (International Conference on Carbon Dioxide Utilization) reflects the most recent research results, as well as stimulating scientific discussions with new challenges in advancing the development of carbon dioxide utilization. Drawing on a wealth of information, this well structured book will benefit students, researchers and consultants looking to catch up on current developments in environmental and chemical engineering. * Provides comprehensive data on CO2 utilisation* Contains up-to-date information, including recent research trends* Is written for students, researchers and consultants in environmental and chemical engineering
Author :
Publisher :
ISBN 13 :
Total Pages : 854 pages
Book Rating : 4.F/5 ( download)
Download or read book Dissertation Abstracts International written by and published by . This book was released on 2006 with total page 854 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Imran Uddin
Publisher : Springer Nature
ISBN 13 : 9819913500
Total Pages : 398 pages
Book Rating : 4.8/5 (199 download)
Download or read book Synthesis and Applications of Nanomaterials and Nanocomposites written by Imran Uddin and published by Springer Nature. This book was released on 2023-05-08 with total page 398 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book brings together multiple aspects of the recent research conducted in the field of nanotechnology covering topics such as the synthesis of various nanoparticles, nanorods, graphene, graphene oxide-metal composites, characterization of these materials, and ample aspects of various applications including in heavy metal sensing, optoelectronic devices, gas sensing, solar cells, biomedical sensors, role in the drug delivery, and waste-water treatment. The book is of interest to early career researchers, who are trying to grasp multiple aspects of nanomaterials and nanocomposite synthesis and its potential applications.
Author : Vanesa Calvino-Casilda
Publisher : CRC Press
ISBN 13 : 1351786695
Total Pages : 267 pages
Book Rating : 4.3/5 (517 download)
Download or read book Nanocatalysis written by Vanesa Calvino-Casilda and published by CRC Press. This book was released on 2019-02-14 with total page 267 pages. Available in PDF, EPUB and Kindle. Book excerpt: Synthesis and design of new nanocatalysts is an important area of research that aims to introduce multiple types of useful applications in a greener market. The necessity of nanostructuring the active sites has emerged as the key point in a successful design of the catalysts. The book covers the progress in this research area done in the last ten years. It includes the classification of catalysts and structure of active sites at the nanoscale. The book covers examples to present the concept, evolution of nanocatalysts from the perspective of chemistry of materials and their applications.
Download or read book Adhesion and Atomic Structures of Gold on Ceria Nanostructures written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Recent advances in heterogeneous catalysis have demonstrated that oxides supports with the same material but different shapes can result in metal catalysts with distinct catalytic properties. The shape-dependent catalysis was not well-understood owing to the lack of direct visualization of the atomic structures at metal-oxide interface. Herein, we utilized aberration-corrected electron microscopy and revealed the atomic structures of gold particles deposited on ceria nanocubes and nanorods with or facets exposed. For the ceria nanocube support, gold nanoparticles have extended atom layers at the metal-support interface. In contrast, regular gold nanoparticles and rafts are present on the ceria nanorod support. After hours of water gas shift reaction, the extended gold atom layers and rafts vanish, which is associated with the decrease of the catalytic activities. By understanding the atomic structures of the support surfaces, metal-support interfaces, and morphologies of the gold particles, a direct structure-property relationship is established.
Author : Brookhaven National Laboratory. National Synchrotron Light Source
Publisher :
ISBN 13 :
Total Pages : 208 pages
Book Rating : 4.:/5 (89 download)
Download or read book Activity report written by Brookhaven National Laboratory. National Synchrotron Light Source and published by . This book was released on 2005 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mar©Ưa Asunci©đn Hurtado Juan
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (111 download)
Download or read book New Nano Catalyst for Water-gas Shift Reaction written by Mar©Ưa Asunci©đn Hurtado Juan and published by . This book was released on 2008 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Tomas Ramirez Reina
Publisher : John Wiley & Sons
ISBN 13 : 3527346392
Total Pages : 498 pages
Book Rating : 4.5/5 (273 download)
Download or read book Engineering Solutions for CO2 Conversion written by Tomas Ramirez Reina and published by John Wiley & Sons. This book was released on 2021-07-19 with total page 498 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comprehensive guide that offers a review of the current technologies that tackle CO2 emissions The race to reduce CO2 emissions continues to be an urgent global challenge. "Engineering Solutions for CO2 Conversion" offers a thorough guide to the most current technologies designed to mitigate CO2 emissions ranging from CO2 capture to CO2 utilization approaches. With contributions from an international panel representing a wide range of expertise, this book contains a multidisciplinary toolkit that covers the myriad aspects of CO2 conversion strategies. Comprehensive in scope, it explores the chemical, physical, engineering and economical facets of CO2 conversion. "Engineering Solutions for CO2 Conversion" explores a broad range of topics including linking CFD and process simulations, membranes technologies for efficient CO2 capture-conversion, biogas sweetening technologies, plasma-assisted conversion of CO2, and much more. This important resource: * Addresses a pressing concern of global environmental damage, caused by the greenhouse gases emissions from fossil fuels * Contains a review of the most current developments on the various aspects of CO2 capture and utilization strategies * Incldues information on chemical, physical, engineering and economical facets of CO2 capture and utilization * Offers in-depth insight into materials design, processing characterization, and computer modeling with respect to CO2 capture and conversion Written for catalytic chemists, electrochemists, process engineers, chemical engineers, chemists in industry, photochemists, environmental chemists, theoretical chemists, environmental officers, "Engineering Solutions for CO2 Conversion" provides the most current and expert information on the many aspects and challenges of CO2 conversion.
Author : Karine Philippot
Publisher : John Wiley & Sons
ISBN 13 : 3527346074
Total Pages : 384 pages
Book Rating : 4.5/5 (273 download)
Download or read book Nanoparticles in Catalysis written by Karine Philippot and published by John Wiley & Sons. This book was released on 2021-06-28 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanoparticles in Catalysis Discover an essential overview of recent advances and trends in nanoparticle catalysis Catalysis in the presence of metal nanoparticles is an important and rapidly developing research field at the frontier of homogeneous and heterogeneous catalysis. In Nanoparticles in Catalysis, accomplished chemists and authors Karine Philippot and Alain Roucoux deliver a comprehensive guide to the key aspects of nanoparticle catalysis, ranging from synthesis, activation methodology, characterization, and theoretical modeling, to application in important catalytic reactions, like hydrogen production and biomass conversion. The book offers readers a review of modern and efficient tools for the synthesis of nanoparticles in solution or onto supports. It emphasizes the application of metal nanoparticles in important catalytic reactions and includes chapters on activation methodology and supported nanoclusters. Written by an international team of leading voices in the field, Nanoparticles in Catalysis is an indispensable resource for researchers and professionals in academia and industry alike. Readers will also benefit from the inclusion of: A thorough introduction to New Trends in the Design of Metal Nanoparticles and Derived Nanomaterials for Catalysis An exploration of Dynamic Catalysis and the Interface Between Molecular and Heterogeneous Catalysts A practical discussion of Metal Nanoparticles in Water: A Relevant Toolbox for Green Catalysis Organometallic Metal Nanoparticles for Catalysis A concise treatment of the opportunities and challenges of CO2 Hydrogenation to Oxygenated Chemicals Over Supported Nanoparticle Catalysts Perfect for catalytic, organic, inorganic, and physical chemists, Nanoparticles in Catalysis will also earn a place in the libraries of chemists working with organometallics and materials scientists seeking a one-stop resource with expert knowledge on the synthesis and characterization of nanoparticle catalysis.
