The Influence Of Nano Architectured Ceox Supports In Rhpd Ceo2 For The Catalytic Ethanol Steam Reforming Reaction

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Hydrogen Production Technologies

Author : Mehmet Sankir
Publisher : John Wiley & Sons
ISBN 13 : 1119283663
Total Pages : 524 pages
Book Rating : 4.1/5 (192 download)

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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 524 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.

Catalysis by Materials with Well-Defined Structures

Author : Zili Wu
Publisher : Academic Press
ISBN 13 : 0128013400
Total Pages : 393 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis Catalysis by Materials with Well-Defined Structures by : Zili Wu

Download or read book Catalysis by Materials with Well-Defined Structures written by Zili Wu and published by Academic Press. This book was released on 2015-03-26 with total page 393 pages. Available in PDF, EPUB and Kindle. Book excerpt: Catalysis by Materials with Well-Defined Structures examines the latest developments in the use of model systems in fundamental catalytic science. A team of prominent experts provides authoritative, first-hand information, helping readers better understand heterogeneous catalysis by utilizing model catalysts based on uniformly nanostructured materials. The text addresses topics and issues related to material synthesis, characterization, catalytic reactions, surface chemistry, mechanism, and theoretical modeling, and features a comprehensive review of recent advances in catalytic studies on nanomaterials with well-defined structures, including nanoshaped metals and metal oxides, nanoclusters, and single sites in the areas of heterogeneous thermal catalysis, photocatalysis, and electrocatalysis. Users will find this book to be an invaluable, authoritative source of information for both the surface scientist and the catalysis practitioner - Outlines the importance of nanomaterials and their potential as catalysts - Provides detailed information on synthesis and characterization of nanomaterials with well-defined structures, relating surface activity to catalytic activity - Details how to establish the structure-catalysis relationship and how to reveal the surface chemistry and surface structure of catalysts - Offers examples on various in situ characterization instrumental techniques - Includes in-depth theoretical modeling utilizing advanced Density Functional Theory (DFT) methods

Catalysis by Ceria and Related Materials

Author : Alessandro Trovarelli
Publisher :
ISBN 13 : 9781848169630
Total Pages : 888 pages
Book Rating : 4.1/5 (696 download)

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Book Synopsis Catalysis by Ceria and Related Materials by : Alessandro Trovarelli

Download or read book Catalysis by Ceria and Related Materials written by Alessandro Trovarelli and published by . This book was released on 2013 with total page 888 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book follows the 2002 edition of Catalysis by Ceria and Related Materials, which was the first book entirely devoted to ceria and its catalytic properties. It covers fundamental and applied aspects of the latest advances in ceria-based materials with a special focus on structural, redox and catalytic features of nano-engineered systems. In addition, it presents recent advances of traditional large-scale applications of ceria in catalysis, such as the treatment of emissions from mobile sources (including diesel and gasoline engines).

Catalytic Materials for Hydrogen Production and Electro-oxidation Reactions

Author : Moises R. Cesario
Publisher : Bentham Science Publishers
ISBN 13 : 1681087588
Total Pages : 278 pages
Book Rating : 4.6/5 (81 download)

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Book Synopsis Catalytic Materials for Hydrogen Production and Electro-oxidation Reactions by : Moises R. Cesario

Download or read book Catalytic Materials for Hydrogen Production and Electro-oxidation Reactions written by Moises R. Cesario and published by Bentham Science Publishers. This book was released on 2018-12-03 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt: The implementation of hydrogen production processes on an industrial scale requires a comprehensive understanding of the chemical proprieties of catalytic materials and the applications such materials in electrocatalysis. This volume presents information about catalytic materials for hydrogen production and hydrogen valorization in electro-oxidation reactions. Chapters emphasize on materials for classical steam, CO2 sorption enhanced steam reforming and dry reforming for hydrogen production. The hydrogen electro-oxidation reaction in anodes of Solid Oxide Fuel Cells (SOFCs) is also explained. Chapters have been contributed by experts in industrial chemistry, adding a valuable perspective for readers. This volume is essential to chemical engineering researchers and industrial professionals interested in hydrogen production systems and the science behind the materials driving the reactions in key processes.

Advanced Catalysis in Hydrogen Production from Formic Acid and Methanol

Author : Dmitri A. Bulushev
Publisher : MDPI
ISBN 13 : 3039363808
Total Pages : 122 pages
Book Rating : 4.0/5 (393 download)

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Book Synopsis Advanced Catalysis in Hydrogen Production from Formic Acid and Methanol by : Dmitri A. Bulushev

Download or read book Advanced Catalysis in Hydrogen Production from Formic Acid and Methanol written by Dmitri A. Bulushev and published by MDPI. This book was released on 2020-06-18 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Special Issue is related to studies of the hydrogen production from formic acid decomposition. It is based on five research papers and two reviews. The reviews discuss the liquid phase formic acid decomposition over bimetallic (PdAg), molecular (Ru, Ir, Fe, Co), and heterogenized molecular catalysts. The gas-phase reaction is studied over highly dispersed Pd, Pt, Au, Cu, and Ni supported catalysts. It is shown that the nature of the catalyst’s support plays an important role for the reaction. Thus, N-doping of the carbon support provides a significant promotional effect. One of the reasons for the high activity of the N-doped catalysts is the formation of single-atom active sites stabilized by pyridinic N species present in the support. It is demonstrated that carbon materials can be N-doped in different ways. It can be performed either directly from N-containing compounds during the carbon synthesis or by a post-synthetic deposition of N-containing compounds on the carbon support with known properties. The Issue could be useful for specialists in catalysis and nanomaterials as well as for graduate students studying chemistry and chemical engineering. The reported results can be applied for development of catalysts for the hydrogen production from different liquid organic hydrogen carriers.

New and Future Developments in Catalysis

Author : Ana Primo
Publisher : Elsevier Inc. Chapters
ISBN 13 : 0128081678
Total Pages : 45 pages
Book Rating : 4.1/5 (28 download)

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Book Synopsis New and Future Developments in Catalysis by : Ana Primo

Download or read book New and Future Developments in Catalysis written by Ana Primo and published by Elsevier Inc. Chapters. This book was released on 2013-07-13 with total page 45 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Synthesis and Application of CeO2 Nanoparticles as Catalyst for Oxidative Bromination

Author : Olga Jegel
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (143 download)

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Book Synopsis Synthesis and Application of CeO2 Nanoparticles as Catalyst for Oxidative Bromination by : Olga Jegel

Download or read book Synthesis and Application of CeO2 Nanoparticles as Catalyst for Oxidative Bromination written by Olga Jegel and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years, the so-called "nanozymes" have come to the forefront of research. These are nanomaterials that have the property of mimicking enzymes. In this dissertation, ceria nanoparticles are presented as such an enzyme mimic. Cerium oxide can mimic the enzyme vanadium bromoperoxidase in the presence of bromide and hydrogen peroxide by oxidative bromination. In this work, various syntheses of ceria nanoparticles and their potential applications are discussed. In addition, oxidative bromination with CeO2 as catalyst and the factors that promote it are examined in more detail. In the first chapter, it was investigated if doping with the lanthanides praseodymium and terbium can increase the catalytic activity of the ceria nanoparticles. For this purpose, a mechanochemical synthesis was established in a planetary ball mill by a simple metathesis reaction. Thereby the catalytic activity could be increased almost twofold by doping and was found to be dependent on various factors such as zeta-potential and specific BET surface area. Likewise, Raman and ESR spectroscopy demonstrated that the incorporation of the trivalent cation creates oxygen vacancies, which also have an important effect on the catalysis rate. Another project consisted of analyzing different morphologies of ceria nanoparticles for their catalytic activity. For this purpose, oxidative bromination was carried out and evaluated based on the bromination of thymol using NMR spectroscopy. This showed a clear difference between the different morphologies with respect to catalytic activity. Here, as well, it was demonstrated that influences such as zeta potential and specific BET surface area have an important effect on catalysis. In addition, Raman spectroscopy showed that the ceria nanoparticles with the different morphologies degraded the substrate hydrogen peroxide after a short time on the particle surface, which significantly slowed down the catalysis. Furthermore, as an application, polycarbonate plates were coated with functionalized CeO2 nanoparticles. For better adhesion of the particles, a polar surface was created with the help of oxygen plasma. A homogeneous coating of functionalized ceria nanoparticles was used to create a nanozyme. The task of the nanozyme is to brominate signal molecules of bacteria using oxidative halogenation to inhibit biofilm growth. As a result, the altered signal molecules are no longer recognized by the bacteria, the communication is interrupted, and the biofilm growth is stops. Subsequent bioassays with the Gram-negative bacterium Pseudomonas aeruginosa showed an inhibition of 75% of the biofilm growth after polycarbonate coating with CeO2 nanoparticles in contrast to pristine polycarbonate plates.

Hydroprocessing Catalysts And Processes: The Challenges For Biofuels Production

Author : Bo Zhang
Publisher : World Scientific
ISBN 13 : 1786344858
Total Pages : 316 pages
Book Rating : 4.7/5 (863 download)

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Book Synopsis Hydroprocessing Catalysts And Processes: The Challenges For Biofuels Production by : Bo Zhang

Download or read book Hydroprocessing Catalysts And Processes: The Challenges For Biofuels Production written by Bo Zhang and published by World Scientific. This book was released on 2018-04-09 with total page 316 pages. Available in PDF, EPUB and Kindle. Book excerpt: The demand for hydroprocessing catalysts has shown an increasing trend, because of their applications in refining of petroleum and biofuels, in order to comply with strict environmental regulations controlling emissions from transportation vehicles.Transport fuel is dominated by fossil fuels with carbon emission intensive production methods. If we are to move away from these sources, the alternative is to produce liquid fuels from agricultural stocks — crops, crop waste, forestry waste or algae. Converting these feedstocks into high quality fuels is a considerable challenge.By describing the current status in processing agricultural feedstock into high quality liquid transport fuels, the authors set out the means to develop better chemistry and catalysis for the necessary conversion processes. This book offers an intriguing insight into the mechanisms and protocols involved in new hydroprocessing catalysts and processes, and covers the methods for upgrading these liquids to modern transport vehicles suitable for operation in modern gasoline and diesel engines.It provides an introduction to the mechanism of hydroprocessing reactions, application of different metals in hydroprocessing, the effect of catalyst supports, applications in refining new feedstock, renewable fuels standards, the management of spent hydroprocessing catalysts, and hydrogen production.Hydroprocessing Catalysts and Processes will prove useful for both researchers in academe and industry concerned with future fuels development and treatment to produce current and future liquid transport fuels.

Metal-support and Metal-additive Effects in Catalysis

Author : B. Imelik
Publisher : Elsevier Science & Technology
ISBN 13 :
Total Pages : 404 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Metal-support and Metal-additive Effects in Catalysis by : B. Imelik

Download or read book Metal-support and Metal-additive Effects in Catalysis written by B. Imelik and published by Elsevier Science & Technology. This book was released on 1982 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metal-Support and Metal-Additive Effects in Catalysis, Volume 11, documents the proceedings of an international symposium organized by the Institut de Recherches sur la Catalyse - CNRS - Villeurbanne and sponsored by the Centre National de la Recherche Scientifique, Ecully (Lyon), September 14-16, 1982. This volume contains 40 manuscripts that cover a wide range of topics. Among these are studies of metal-support interactions involving Pt/Al2O3, Pt/TiO2,Fe/TiO2, Pt/MgO, Rh /Al2O3, and Pt/CeO2 catalysts. There are also separate chapters dealing with ethane, n-butane, and cyclohexane hydrogenolysis; skeletal isomerization of methylpentanes; the catalytic activity and selectivity of noble metals; CO hydrogenation over supported on SiO2, Al2O3, Ti O2,and Zr O2 nickel catalysts; and the role of promoters in Pd catalysts for methanol synthesis. Subsequent chapters cover the poisoning of platinum and nickel by sulfur; C6H6 and CO chemisorption on Pt78Ni22 (111) single crystal alloy; the surface composition of industrial ammonia synthesis catalysts; and the role of alkalis and electronegative promoters on Fe and Ni catalysts.

Iron and Cobalt Catalysts

Author : Wilson D. Shafer
Publisher : MDPI
ISBN 13 : 303928388X
Total Pages : 414 pages
Book Rating : 4.0/5 (392 download)

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Book Synopsis Iron and Cobalt Catalysts by : Wilson D. Shafer

Download or read book Iron and Cobalt Catalysts written by Wilson D. Shafer and published by MDPI. This book was released on 2020-06-23 with total page 414 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since the turn of the last century when the field of catalysis was born, iron and cobalt have been key players in numerous catalysis processes. These metals, due to their ability to activate CO and CH, haev a major economic impact worldwide. Several industrial processes and synthetic routes use these metals: biomass-to-liquids (BTL), coal-to-liquids (CTL), natural gas-to-liquids (GTL), water-gas-shift, alcohol synthesis, alcohol steam reforming, polymerization processes, cross-coupling reactions, and photocatalyst activated reactions. A vast number of materials are produced from these processes, including oil, lubricants, waxes, diesel and jet fuels, hydrogen (e.g., fuel cell applications), gasoline, rubbers, plastics, alcohols, pharmaceuticals, agrochemicals, feed-stock chemicals, and other alternative materials. However, given the true complexities of the variables involved in these processes, many key mechanistic issues are still not fully defined or understood. This Special Issue of Catalysis will be a collaborative effort to combine current catalysis research on these metals from experimental and theoretical perspectives on both heterogeneous and homogeneous catalysts. We welcome contributions from the catalysis community on catalyst characterization, kinetics, reaction mechanism, reactor development, theoretical modeling, and surface science.

Development of New Catalytic Performance of Nanoporous Metals for Organic Reactions

Author : Mei Yan
Publisher : Springer
ISBN 13 : 9784431549307
Total Pages : 0 pages
Book Rating : 4.5/5 (493 download)

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Book Synopsis Development of New Catalytic Performance of Nanoporous Metals for Organic Reactions by : Mei Yan

Download or read book Development of New Catalytic Performance of Nanoporous Metals for Organic Reactions written by Mei Yan and published by Springer. This book was released on 2014-04-03 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, the focus is on the study of new catalytic properties of unsupported nanoporous metals in heterogeneous organic reactions under liquid-phase conditions. The author was the first to fabricate nanoporous copper with tunable nanoporosity and apply it for organic reactions. The catalyst can be reused up to ten times without loss of catalytic activity. In addition, the author developed the highly selective semihydrogenation of alkynes using nanoporous gold as a catalyst for the first time, affording Z-alkenes in 100% selectivity, which cannot be realized by traditional catalysts. All of the results described here will help readers to develop new catalytic performance of nanoporous metals for organic reactions.