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Hydrogen Production By Ethanol Partial Oxidation Over Nano Iron Oxide Catalysts Produced By Chemical Vapour Synthesis
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Book Synopsis Hydrogen Production by Ethanol Partial Oxidation Over Nano-iron Oxide Catalysts Produced by Chemical Vapour Synthesis by : Wael Ahmed Abou Taleb Sayed Ahmed
Download or read book Hydrogen Production by Ethanol Partial Oxidation Over Nano-iron Oxide Catalysts Produced by Chemical Vapour Synthesis written by Wael Ahmed Abou Taleb Sayed Ahmed and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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 Production of Hydrogen from the Non-catalytic Partial Oxidation of Ethanol by : Dana O. Christensen
Download or read book Production of Hydrogen from the Non-catalytic Partial Oxidation of Ethanol written by Dana O. Christensen and published by . This book was released on 2003 with total page 250 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalysts for Alcohol-fuelled Direct Oxidation Fuel Cells by : Zhen-Xing Liang
Download or read book Catalysts for Alcohol-fuelled Direct Oxidation Fuel Cells written by Zhen-Xing Liang and published by Royal Society of Chemistry. This book was released on 2012 with total page 265 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents a state-of-the-art review on recent advances in nanocatalysts and electrocatalysis in DOFCs.
Book Synopsis Fossil Free Fuels by : Maniruzzaman Bin A. Aziz
Download or read book Fossil Free Fuels written by Maniruzzaman Bin A. Aziz and published by CRC Press. This book was released on 2019-10-24 with total page 205 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many approaches have been undertaken to mitigate global climate change, including the movement away from fossil fuels. Fossil Free Fuels: Trends in Renewable Energy examines several key topics, such as the utilization of biofuels as a sustainable renewable resource, recycling and untapped waste-to-energy products, and other carbon-neutral strategies in various industries, such as the transportation, construction, and manufacturing sectors. It provides recent updates on the latest technologies, modeling, design, and technical aspects, as well as several practical case studies. The current world energy scenario is examined and various solutions to larger environmental problems are outlined in terms of the shift to more alternative energy sources. Features: Minimizes technical jargon in a straightforward style for a wider audience Discusses sustainable options for different industries, such as the use of green materials in the construction sector, biofuels for transportation, and many more Includes numerous illustrations, tables, and figures to aid in understanding This book serves as a practical reference for engineers, researchers, environmental consultants working in renewable energy industries, and students.
Book Synopsis Hydrogen Production from Ethanol by Supercritical Water Partial Oxidation by : Wesley Wei-Wen Hsiao
Download or read book Hydrogen Production from Ethanol by Supercritical Water Partial Oxidation written by Wesley Wei-Wen Hsiao and published by . This book was released on 2003 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogen Production from Autothermal Reformation of Ethanol Iso-octane Mixtures by : Jonathan M. Woolley
Download or read book Hydrogen Production from Autothermal Reformation of Ethanol Iso-octane Mixtures written by Jonathan M. Woolley and published by . This book was released on 2008 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogen Production From Ethanol Over Silica Supported Cu And Zn Oxide Catalysts by : Habibe Işıl Tezel
Download or read book Hydrogen Production From Ethanol Over Silica Supported Cu And Zn Oxide Catalysts written by Habibe Işıl Tezel and published by . This book was released on 2006 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt: The majority of current energy needs are supplied by combustion of nonrenewable energy sources such as fossil fuels, which is associated with release of large quantities of greenhouse gases, especially carbon dioxide and other harmful emissions to the atmosphere. The gradual depletion of these fossil fuels reserves and efforts to combat pollution and greenhouse gas emissions have generated a considerable interest in using alternative sources of energy. Ethanol used in the hydrogen production process by steam reforming. The purpose of this work was to design a high performance catalyst for the production of hydrogen from steam reforming of ethanol. Ethanol steam reforming reaction is an endothermic reaction of ethanol with water to produce hydrogen and carbon dioxide. The different ZnO loading supported SiO2 catalyst and Cu promoted ZnO/SiO2 catalysts were prepared single step sol-gel method with different Cu loading. All catalysts were characterized by X-ray diffraction, BET surface area measurements and pore diameter analysis. BET surface area decreased and average pore diameter increased as the ZnO loading increased. Based on the XRD findings, it seems that zinc silicate crystallite phase is not formed under the preparation conditions used in this dissertation. The activity and selectivity tests of all catalysts were performed in a packed bed reactor with reaction temperature between 300 and 500oC. The performances of ZnO/SiO2 catalysts in ethanol steam reforming reaction were investigated as a function of ZnO loading. Cu catalysts are known as active catalysts for ethanol dehydrogenation. As the temperature was increased, the conversion increased and reached a maximum at 500oC for all Cu loadings.
Book Synopsis Mechanistic Studies of Crotonadehyde Partial Hydrogenation and Ethanol Steam Reforming Reactions on Planar Catalysts -- a Gas-phase and Ambient Pressure XPS Study by : Yutichai Mueanngern
Download or read book Mechanistic Studies of Crotonadehyde Partial Hydrogenation and Ethanol Steam Reforming Reactions on Planar Catalysts -- a Gas-phase and Ambient Pressure XPS Study written by Yutichai Mueanngern and published by . This book was released on 2020 with total page 136 pages. Available in PDF, EPUB and Kindle. Book excerpt: The steam reforming reaction of ethanol to hydrogen gas was investigated on Ni/CeO2 catalysts. Here we show that the morphology of the CeO2 nanocubes-on-Ni can also act as a crucial design parameter—drastically influencing rates of hydrogen production. Controlling the coverage of CeO2 on Ni with LB deposition, reveals a non--monotonic scaling of catalytic rate with Ni--CeO2 interface sites. Hydrogen production rates was found to scale in close proportion to mesoscale interface sites iv formed by aggregates of CeO2 nanoparticles on Ni. It is established that the CeO2 phase of the catalyst helps to dissociate surface hdyroxyls durign reaction doncitions and the Ni phase of the catalyst is a good C--C bond cleavage catalyst forming carbonates and methyl groups at its surface from ethanol udner reactino reaction conditions. Herein we show NAP-XPS correlation of surface hydroxyls across various CeO2 morphologies formed by the self--assembly of CeO2 aggregates on Ni. NAP--XPS shows that the surface is most hydroxylated and at an intermediate coverage where the mesoscale interfaces are enhanced, resulting in the highest hydrogen production rate at that intermediate coverage of CeO2 on Ni. In addition, on these samples where the mesoscale interfaces are maximized, carbon nanotube networks are observed to grow on the order of millimeters from the surface under reaction conditions. Despite m5assive carbon deposition the catalyst remains highly active and shows no deactivation. For the first time, the reversible-nickel catalyzed nanotube growth process under ethanol steam reforming condition is detected in-situ using NAP-XPS. Under steam reforming conditions a carbon shell surrounding a nickel grain opens up, exposing the nickel to catalyze the formation of hydrogen products at the same time continuously catalyzing the elongation of the carbon nanotube network. Whereas in non-steam reforming conditions the nickel recedes underneath a carbon shell and the catalyst is rendered inactive. We propose that the mesoscale interfaces defined by aggregates of CeO2 nanoparticles provide an optimal surface morphology, which allows for efficient surface hydroxyl diffusion from CeO2 sites to Ni domains. The non-deactivation behavior of the Ni under ethanol steam reforming conditions can be explained by the exposed Ni grains, which opens up at the tip of carbon filament structures during steam reforming conditions as show in NAP-XPS measurements.
Book Synopsis Kinetic Study of Catalytic Partial Oxidation of Synthetic Diesel for Hydrogen Production by : Md. Faysal Ahamed Khan
Download or read book Kinetic Study of Catalytic Partial Oxidation of Synthetic Diesel for Hydrogen Production written by Md. Faysal Ahamed Khan and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Steam Reforming of Ethanol Over Sol-gel-synthesized Mixed Oxide Catalysts by :
Download or read book Steam Reforming of Ethanol Over Sol-gel-synthesized Mixed Oxide Catalysts written by and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Depletion in the reserves of fossil fuels, inefficient energy production from these fuels and the negative effect of their usage on atmosphere, and thereby, on human health have accelerated researches on clean energy. Hydrogen produced from ethanol when used in fuel cells not only generates efficient energy but also creates a closed carbon cycle in nature. ZnO and Cu/ZnO catalysts are known with their superior performance in alcohol synthesis. From the principle of microkinetic reversibility they are expected to be superior catalysts for the steam reforming reaction of ethanol as well. ZnO catalysts can be modified by precious, Pd, or non-precious, Cu, metals to enhance hydrogen desorption capability, and dispersed on SiO2 for high surface areas via sol-gel technique. Steam reforming tests over ZnO catalysts revealed that they act only as ethanol dehydrogenation catalysts in the temperature range of 300-500C. Promotion with Pd or Cu decreased hydrogen selectivity due most probably to unreachable closed pores of the catalysts. Autothermal reforming tests over both ZnO/SiO2 and Co/SBA-15 catalysts, on the other hand, gave rise to the formation of several side products.
Book Synopsis Hydrogen Production Technologies by : Mehmet Sankir
Download or read book Hydrogen Production Technologies written by Mehmet Sankir and published by John Wiley & Sons. This book was released on 2017-03-20 with total page 653 pages. Available in PDF, EPUB and Kindle. Book excerpt: Provides a comprehensive practical review of the new technologies used to obtain hydrogen more efficiently via catalytic, electrochemical, bio- and photohydrogen production. Hydrogen has been gaining more attention in both transportation and stationary power applications. Fuel cell-powered cars are on the roads and the automotive industry is demanding feasible and efficient technologies to produce hydrogen. The principles and methods described herein lead to reasonable mitigation of the great majority of problems associated with hydrogen production technologies. The chapters in this book are written by distinguished authors who have extensive experience in their fields, and readers will have a chance to compare the fundamental production techniques and learn about the pros and cons of these technologies. The book is organized into three parts. Part I shows the catalytic and electrochemical principles involved in hydrogen production technologies. Part II addresses hydrogen production from electrochemically active bacteria (EAB) by decomposing organic compound into hydrogen in microbial electrolysis cells (MECs). The final part of the book is concerned with photohydrogen generation. Recent developments in the area of semiconductor-based nanomaterials, specifically semiconductor oxides, nitrides and metal free semiconductor-based nanomaterials for photocatalytic hydrogen production are extensively discussed.
Book Synopsis Hydrogen Production Via Methane Partial Oxidation Over Ceria-nickel and Ceria-zirconia-nickel Mixed-oxide Catalysts by : Adinun Khamnetr
Download or read book Hydrogen Production Via Methane Partial Oxidation Over Ceria-nickel and Ceria-zirconia-nickel Mixed-oxide Catalysts written by Adinun Khamnetr and published by . This book was released on 2009 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Partial Oxidation of Ethanol Over Vanadium Iron Antimonate Catalysts by : Boni kaKhuzwayo Mehlomakulu
Download or read book Partial Oxidation of Ethanol Over Vanadium Iron Antimonate Catalysts written by Boni kaKhuzwayo Mehlomakulu and published by . This book was released on 2003 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Kinetics of Partial Oxidation of Methanol Over Cu-ZnO to Produce Hydrogen by : Ta Jen Huang
Download or read book Kinetics of Partial Oxidation of Methanol Over Cu-ZnO to Produce Hydrogen written by Ta Jen Huang and published by . This book was released on 1987 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Kinetics of partial oxidation and steam reforming of methanol have been studied over a Cu-ZnO catalyst of Cu30Zn70 in a continuous-flow reactor. Rate equations and possible mechanisms are presented for both reactions. It is concluded that dissociative adsorption of methanol is the rate-determining step for either reaction. In addition, the effect of oxygen has been studied in a pulse reactor and the result confirms the rate equation for partial oxidation of methanol. [Authors' abstract].
Book Synopsis Oxidative Steam Reforming of Ethanol on Metal and Metal Oxide Catalysts for Hydrogen Production by : 謝和諶
Download or read book Oxidative Steam Reforming of Ethanol on Metal and Metal Oxide Catalysts for Hydrogen Production written by 謝和諶 and published by . This book was released on 2020 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Catalytic Steam Reforming of Ethanol Over Rh,Pd/Ceria by : Morgan Stephen Scott
Download or read book Catalytic Steam Reforming of Ethanol Over Rh,Pd/Ceria written by Morgan Stephen Scott and published by . This book was released on 2007 with total page 178 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogen from ethanol features as one of the renewable, clean, alternative energies technology has increasingly become directed at. Catalytic steam reforming of ethanol produces up 75% hydrogen by volume. This work is devoted to the synthesis, characterisation and testing of a series of catalysts for ethanol steam reforming. These catalysts composed of two transition metals (Rhodium and Palladium) deposited over nanoparticles of cerium oxide as a support.
