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The Oxidation Of Carbon Monoxide And Methane By Nano And Regular Fe2o3
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Book Synopsis The Oxidation of Carbon Monoxide and Methane by Nano and Regular Fe2O3 by : Soon-Chul Kwon
Download or read book The Oxidation of Carbon Monoxide and Methane by Nano and Regular Fe2O3 written by Soon-Chul Kwon and published by . This book was released on 2005 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt: The catalytic performances of nano and regular Fe2O3 in the oxidation of methane (CH4) and carbon monoxide (CO) singly and in combination were compared in a laboratory study. The major oxidation product is carbon dioxide (CO2). The performance of the nanocatalyst for oxidation of CH4 and CO was studied under variable conditions of temperature, concentration and space-time. It was demonstrated that 40 mg of Fe2O3 nanoparticles (NANOCAT superfine iron oxide) was much more effective than 400mg of non-nano Fe2O3-PVS (Bailey-PVS Oxides) in calatalyzing the oxidation. Furthermore, in the oxidative coupling of CH4 and CO, the efficiency of mixed gas conversion was also higher when NANOCAT was used as the catalyst than when Fe2O3-PVS was used, and almost complete oxidation of the mixed gas phases was observed. These results support the hypothesis that the small particle size (3nm), high surface area (245 m2/g), and denser surface coordination of the nanocatalyst can contribute to its better performance as a catalyst. Generally, the oxidation of CO and CH4 increased significantly with increase in temperature. In the presence of oxygen, the reaction is zero-order on CO. The oxidation efficiency was not affected by the CO concentrations at any temperature (more than 200°C). However, lower concentrations in the gas phase contributed to higher oxidation efficiency over the entire range of temperatures. The oxidation of CH4 is quite complicated, and has not been clearly delineated. An increase in the inlet gas flow rate caused a lower conversion rate. An examination of space time effect of CO oxidation reveals that the higher space time between carbon monoxide and NANOCAT has little or no effect on oxidation efficiency. In contrary to CO oxidation, the CH4 and mixed gas (CO and CH4) oxidations were accelerated by increased space time with NANOCAT.
Book Synopsis The Oxidation of Methane by Carbon Monoxide by : Charles R. Dawson
Download or read book The Oxidation of Methane by Carbon Monoxide written by Charles R. Dawson and published by . This book was released on 1931 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Commencement by : Iowa State University
Download or read book Commencement written by Iowa State University and published by . This book was released on 2004 with total page 366 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Master's Theses Directories written by and published by . This book was released on 2006 with total page 306 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Education, arts and social sciences, natural and technical sciences in the United States and Canada".
Book Synopsis The Oxidation of Carbon Monoxide and Hydrogen with Cuprous Oxide in the Presence of Methane by : Russell Lawton Zimmerman
Download or read book The Oxidation of Carbon Monoxide and Hydrogen with Cuprous Oxide in the Presence of Methane written by Russell Lawton Zimmerman and published by . This book was released on 1927 with total page 54 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nanocatalysis by : Vivek Polshettiwar
Download or read book Nanocatalysis written by Vivek Polshettiwar and published by John Wiley & Sons. This book was released on 2013-09-30 with total page 755 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exhibiting both homogeneous and heterogeneous catalytic properties, nanocatalysts allow for rapid and selective chemical transformations, with the benefits of excellent product yield and ease of catalyst separation and recovery. This book reviews the catalytic performance and the synthesis and characterization of nanocatalysts, examining the current state of the art and pointing the way towards new avenues of research. Moreover, the authors discuss new and emerging applications of nanocatalysts and nanocatalysis, from pharmaceuticals to fine chemicals to renewable energy to biotransformations. Nanocatalysis features contributions from leading research groups around the world. These contributions reflect a thorough review of the current literature as well as the authors’ first-hand experience designing and synthesizing nanocatalysts and developing new applications for them. The book’s nineteen chapters offer a broad perspective, covering: Nanocatalysis for carbon-carbon and carbon-heteroatom coupling reactions Nanocatalysis for various organic transformations in fine chemical synthesis Nanocatalysis for oxidation, hydrogenation, and other related reactions Nanomaterial-based photocatalysis and biocatalysis Nanocatalysts to produce non-conventional energy such as hydrogen and biofuels Nanocatalysts and nano-biocatalysts in the chemical industry Readers will also learn about the latest spectroscopic and microscopy tools used in advanced characterization methods that shed new light on nanocatalysts and nanocatalysis. Moreover, the authors offer expert advice to help readers develop strategies to improve catalytic performance. Summarizing and reviewing all the most important advances in nanocatalysis over the last two decades, this book explains the many advantages of nanocatalysts over conventional homogeneous and heterogeneous catalysts, providing the information and guidance needed for designing green, sustainable catalytic processes.
Book Synopsis Nanotechnology for Energy Sustainability by : Baldev Raj
Download or read book Nanotechnology for Energy Sustainability written by Baldev Raj and published by John Wiley & Sons. This book was released on 2017-01-30 with total page 1284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dieses Referenzwerk in drei handlichen Bänden bietet einen detaillierten Überblick über Anwendungen der Nanotechnologie im Bereich Nachhaltigkeit in der Energieversorgung. Der erste Band dieses klar strukturierten Nachschlagewerks behandelt nach der Einleitung die Themen Energieerzeugung, erneuerbare Energien, Energiespeicherung, Energieverteilung sowie Energieumwandlung und Energy-Harvesting. Im zweiten Band werden auf Nanotechnologie basierte Materialen, Energieeinsparung und -management, technologische und urheberrechtlich relevante Fragen, Märkte und Umweltsanierung erörtert. Der dritte Band wirft einen Blick in die Zukunft, auf technologische Fortschritte und gibt Empfehlungen. Ein wichtiges Handbuch für alle Experten auf diesem Gebiet, von Forschern und Ingenieuren im wissenschaftlichen Bereich bis hin zu Entwicklern in der Industrie.
Book Synopsis High Temperature Oxidation of Carbon Monoxide and Methane in a Turbulent Flow Reactor by : Frederick L. Dryer
Download or read book High Temperature Oxidation of Carbon Monoxide and Methane in a Turbulent Flow Reactor written by Frederick L. Dryer and published by . This book was released on 1991 with total page 516 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nanomaterials in Catalysis by : Philippe Serp
Download or read book Nanomaterials in Catalysis written by Philippe Serp and published by John Wiley & Sons. This book was released on 2012-11-15 with total page 741 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanocatalysis has emerged as a field at the interface between homogeneous and heterogeneous catalysis and offers unique solutions to the demanding requirements for catalyst improvement. Heterogeneous catalysis represents one of the oldest commercial applications of nanoscience and nanoparticles of metals, semiconductors, oxides, and other compounds have been widely used for important chemical reactions. The main focus of this fi eld is the development of well-defined catalysts, which may include both metal nanoparticles and a nanomaterial as the support. These nanocatalysts should display the benefits of both homogenous and heterogeneous catalysts, such as high efficiency and selectivity, stability and easy recovery/recycling. The concept of nanocatalysis is outlined in this book and, in particular, it provides a comprehensive overview of the science of colloidal nanoparticles. A broad range of topics, from the fundamentals to applications in catalysis, are covered, without excluding micelles, nanoparticles in ionic liquids, dendrimers, nanotubes, and nanooxides, as well as modeling, and the characterization of nanocatalysts, making it an indispensable reference for both researchers at universities and professionals in industry.
Download or read book Nanocatalysis written by Ulrich Heiz and published by Springer Science & Business Media. This book was released on 2007-09-27 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanocatalysis is one of the most exciting subfields to have emerged from nanoscience. Its central aim is the control of chemical reactions by changing the size, dimensionality, chemical composition and morphology of the reaction center and by changing the kinetics using nanopatterning of the reaction centers. This approach opens up new avenues for atom-by-atom design of nanocatalysts with distinct and tunable chemical activity, specificity, and selectivity. This book is intended to give a pedagogical and methodological overview of this exciting and growing field and to highlight specific examples of current research. In this way, it serves both as an instructive introduction for graduate students who plan to enter the field and as a reference work for scientists already active in this and related areas.
Book Synopsis Chemical Engineering by : Miguel A. Galan
Download or read book Chemical Engineering written by Miguel A. Galan and published by John Wiley & Sons. This book was released on 2005-10-31 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Unlike extensive major reference works or handbooks, Chemical Engineering: Trends and Developments provides readers with a ready-reference to latest techniques in selected areas of chemical engineering where research is and will be focused in the future. These areas are: bioseparations; particle science and design; nanotechnology; and reaction engineering. The aim of the book is to provide academic and R&D researchers with an overview of the main areas of technical development and how these techniques can be applied. Each chapter focuses on a technique, plus a selection of applications or examples of where the technique could be applied.
Book Synopsis Core-Shell and Yolk-Shell Nanocatalysts by : Hiromi Yamashita
Download or read book Core-Shell and Yolk-Shell Nanocatalysts written by Hiromi Yamashita and published by Springer Nature. This book was released on 2021-05-15 with total page 570 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book introduces recent progress in preparation and application of core-shell and yolk-shell structures for attractive design of catalyst materials. Core-shell nanostructures with active core particles covered directly with an inert shell can perform as highly active and selective catalysts with long lifetimes. Yolk-shell nanostructures consisting of catalytically active core particles encapsulated by hollow materials are an emerging class of nanomaterials. The enclosed void space is expected to be useful for encapsulation and compartmentation of guest molecules, and the outer shell acts as a physical barrier to protect the guest molecules from the surrounding environment. Furthermore, the tunability and functionality in the core and the shell regions can offer new catalytic properties, rendering them attractive platform materials for the design of heterogeneous catalysts. This book describes the recent development of such unique nanostructures to design effective catalysts which can lead to new chemical processes. It provides an excellent guide for design and application of core-shell and yolk-shell structured catalysts for a wide range of readers working on design of attractive catalysts, photocatalysts, and electrocatalysts for energy, environmental, and green chemical processes.
Book Synopsis Oxide Nanostructures by : Avanish Kumar Srivastava
Download or read book Oxide Nanostructures written by Avanish Kumar Srivastava and published by CRC Press. This book was released on 2014-04-09 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanomaterials, their synthesis, and property studies have been an obsession with modern current physicists, chemist, and materials scientists for their vast array of technological implications and the remarkable way their properties are modified or enhanced when the size dimensions are reduced to the realm of nanometers. Although nanomaterials, for
Book Synopsis Handbook of Nanophysics by : Klaus D. Sattler
Download or read book Handbook of Nanophysics written by Klaus D. Sattler and published by CRC Press. This book was released on 2016-04-19 with total page 718 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the 1990s, nanoparticles and quantum dots began to be used in optical, electronic, and biological applications. Now they are being studied for use in solid-state quantum computation, tumor imaging, and photovoltaics. Handbook of Nanophysics: Nanoparticles and Quantum Dots focuses on the fundamental physics of these nanoscale materials and struct
Book Synopsis Environmental Nanotechnology Volume 5 by : Nandita Dasgupta
Download or read book Environmental Nanotechnology Volume 5 written by Nandita Dasgupta and published by Springer Nature. This book was released on 2021-09-05 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents comprehensive reviews on the latest developments of nanotechnologies to detect and remove pollutants in water, air and food. Polymer nanocomposites, nanoparticles from microbes and the application of nanotechnologies for desalination and agriculture are also discussed. Pollution of water and air by contaminants and diseases is a major health issue leading globally to millions of deaths yearly according to the World Health Organization. Such issue requires advanced methods to clean environmental media.
Book Synopsis Atom Resolved Surface Reactions by : Philip Rosser Davies
Download or read book Atom Resolved Surface Reactions written by Philip Rosser Davies and published by Royal Society of Chemistry. This book was released on 2008 with total page 240 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a unique perspective of the impact of scanning probe microscopies on our understanding of the chemistry of the surface at the nanoscale. Research oriented, with the concepts gleaned from Scanning Tunnelling Microscopy being related to the more established and accepted views in surface chemistry and catalysis the authors have addresses the question "How do the models based on classical spectroscopic and kinetic studies stand up to scrutiny at the atom - resolved level?". In taking this approach the reader, new to the field of surface chemistry, should be able to obtain a perspective on how the evidence from STM confirms or questions long standing tenets. An emphasis is given to "how did we get to where we are now" and a large number of figures from the literature are included along with suggestions for further reading. Topics discussed include: - the dynamics of oxygen chemisorption at metal surfaces - control of oxygen states and surface reconstruction - dissociative chemisorption of diatomic and hydrocarbon molecules - nanoparticles and chemical reactivity - STM at high pressures - structural studies of sulfur containing molecules and molecular templating This book will appeal to all those who wish to become familiar with the contribution Scanning Tunnelling Microscopy has made to the understanding of the field of surface chemistry and heterogeneous catalysis and also to those who are new to catalysis, a fascinating and important area of chemistry.
Book Synopsis Reaction Mechanisms in Carbon Dioxide Conversion by : Michele Aresta
Download or read book Reaction Mechanisms in Carbon Dioxide Conversion written by Michele Aresta and published by Springer. This book was released on 2015-11-07 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides an analysis of the reaction mechanisms relevant to a number of processes in which CO2 is converted into valuable products. Several different processes are considered that convert CO2 either in specialty chemicals or in bulk products or fuels. For each reaction, the mechanism is discussed and the assessed steps besides the dark sites of the reaction pathway are highlighted. From the insertion of CO2 into E-X bonds to the reduction of CO2 to CO or other C1 molecules or else to C2 or Cn molecules, the reactions are analysed in order to highlight the known and obscure reaction steps. Besides well known reaction mechanisms and energy profiles, several lesser known situations are discussed. Advancing knowledge of the latter would help to develop efficient routes for the conversion of CO2 into valuable products useful either in the chemical or in the energy industry. The content of this book is quite different from other books reporting the use of CO2. On account of its clear presentation, “Reaction Mechanisms in Carbon Dioxide Conversion” targets in particular researchers, teachers and PhD students.
