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Author : Brian S. Dron
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (111 download)
Download or read book The Characterisation of Palladium Catalysts Supported on Carbon written by Brian S. Dron and published by . This book was released on 1986 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : L. L. Mkayula
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (596 download)
Download or read book Preparation and Characterisation of Carbon Supported Palladium Catalysts written by L. L. Mkayula and published by . This book was released on 1986 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jihyeon Park
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (133 download)
Download or read book Synthesis, Characterization and Activity of Palladium Catalysts on the Dual Support of Cerium and Aluminum Oxides written by Jihyeon Park and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The effects of sequence of impregnation (Pd on cerium oxides -alumina and cerium oxides on Pd-alumina) and calcination temperature (500 °C and 850 °C) on the catalytic oxidation of methane under lean conditions were investigated. The catalysts were prepared by a combination of impregnation, slurry and vortexing methods. The catalysts had 4.7 wt.% Pd and 10.7 wt.% Ce based on inductively coupled plasma optical emission spectrometry (ICP-OES) analysis. The catalysts were characterized by pulse chemisorption, temperature programmed reduction (TPD), scanning transmission electron microscopy (STEM), and X-ray photoelectron spectroscopy (XPS). The activity of the catalysts for methane combustion was measured in a fixed-bed flow reactor by flowing a gas mix (0.98 vol % methane, 4.01 vol % and balance nitrogen) through a catalytic bed. The temperature of the catalytic bed was controlled by a temperature -controlled tube furnace. The % methane in the effluent gas mix was measured by a gas chromatograph fitted with a flame ionization detector and a ‘Carbon Plot’ column. Palladium was present as PdO and PdOx x>2+ and cerium as CeOx (+3 and +4 oxidation states) as per XPS analysis. The activity of the Pd/cerium oxides-alumina500C catalyst was higher than the cerium oxides/Pd-alumina500C catalyst at 250-500 °C. Similar trends in the activity were seen for the two catalysts calcined at 850 °C. Higher dispersion and lower particle size, and the presence of small Pd particles on alumina accounted for the higher catalytic activities of the Pd/cerium oxides-alumina500C and 850C catalysts. The lower activities of cerium oxides/Pd-alumina500C and 850C were primarily due to the embedment of Pd onto ceria due to strong PdO-CeOx interactions. This research implies that the sequence of impregnation and calcination temperature could alter catalytic properties and activity for methane combustion through PdO/PdOx -support interactions.
Author : Tomas R Reina
Publisher : Royal Society of Chemistry
ISBN 13 : 178801958X
Total Pages : 533 pages
Book Rating : 4.7/5 (88 download)
Download or read book Heterogeneous Catalysis for Energy Applications written by Tomas R Reina and published by Royal Society of Chemistry. This book was released on 2020-08-27 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterogeneous catalysis plays a central role in the global energy paradigm, with practically all energy-related process relying on a catalyst at a certain point. The application of heterogeneous catalysts will be of paramount importance to achieve the transition towards low carbon and sustainable societies. This book provides an overview of the design, limitations and challenges of heterogeneous catalysts for energy applications. In an attempt to cover a broad spectrum of scenarios, the book considers traditional processes linked to fossil fuels such as reforming and hydrocracking, as well as catalysis for sustainable energy applications such as hydrogen production, photocatalysis, biomass upgrading and conversion of CO2 to clean fuels. Novel approaches in catalysts design are covered, including microchannel reactors and structured catalysts, catalytic membranes and ionic liquids. With contributions from leaders in the field, Heterogeneous Catalysis for Energy Applications will be an essential toolkit for chemists, physicists, chemical engineers and industrials working on energy.
Author : Philippe Serp
Publisher : John Wiley & Sons
ISBN 13 : 3527830170
Total Pages : 912 pages
Book Rating : 4.5/5 (278 download)
Download or read book Supported Metal Single Atom Catalysis written by Philippe Serp and published by John Wiley & Sons. This book was released on 2022-02-09 with total page 912 pages. Available in PDF, EPUB and Kindle. Book excerpt: b”Supported Metal Single Atom CatalysisCovers all key aspects of supported metal single atom catalysts, an invaluable resource for academic researchers and industry professionals alike Single atom catalysis is one of the most innovative and dynamic research areas in catalysis science. Supported metal catalysts are used extensively across the chemical industry, ranging from fine and bulk chemical production to petrochemicals. Single atom catalysts (SACs) combine the advantages of both homogeneous and heterogeneous catalysts such as catalyst stability, activity, and high dispersion of the active phase. Supported Metal Single Atom Catalysis provides an authoritative and up-to-date overview of the emerging field, covering the synthesis, preparation, characterization, modeling, and applications of SACs. This comprehensive volume introduces the basic principles of single atom catalysis, describes metal oxide and carbon support materials for SAC preparation, presents characterization techniques and theoretical calculations, and discusses SACs in areas including selective hydrogenation, oxidation reactions, activation of small molecules, C-C bond formation, and biomedical applications. Highlights the activity, selectivity, and stability advantages of supported metal SACs compared to other heterogeneous catalysts Covers applications of SACs in thermal catalysis, electrocatalysis, and photocatalysis Includes chapters on single atom alloys and supported double and triple metal atom catalysts Discusses the prospects, challenges, and potential industrial applications of SACs Supported Metal Single Atom Catalysis is an indispensable reference for all those working in the fields of catalysis, solid-state chemistry, materials science, and spectroscopy, including catalytic chemists, organic chemists, electrochemists, theoretical chemists, and industrial chemists.
Author : James Arthur Anderson
Publisher : World Scientific
ISBN 13 : 184816677X
Total Pages : 581 pages
Book Rating : 4.8/5 (481 download)
Download or read book Supported Metals in Catalysis written by James Arthur Anderson and published by World Scientific. This book was released on 2012 with total page 581 pages. Available in PDF, EPUB and Kindle. Book excerpt: With contributions from experts in supported metal catalysis, from both the industry and academia, this book presents the latest developments in characterization and application of supported metals in heterogeneous catalysis. In addition to a thorough and updated coverage of the traditional aspects of heterogeneous catalysis such as preparation, characterization and use in well-established technologies such as Naphtha reforming, the book also includes emerging areas where supported metal catalysis will make significant contributions in future developments, such as fuel cells and fine chemicals synthesis. The second edition of Supported Metals in Catalysis comes complete with new and updated chapters containing important summaries of research in a rapidly evolving field. Very few other books deal with this highly pertinent subject matter, and as such, it is a must-have for anyone working in the field of heterogeneous catalysis.
Author : Erik Kratzer
Publisher :
ISBN 13 :
Total Pages : 150 pages
Book Rating : 4.:/5 (769 download)
Download or read book The Synthesis of Carbon Supported Palladium Catalysts by Strong Electrostatic Adsorption written by Erik Kratzer and published by . This book was released on 2006 with total page 150 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Israel E. Wachs
Publisher : Springer Nature
ISBN 13 : 3031071255
Total Pages : 1109 pages
Book Rating : 4.0/5 (31 download)
Download or read book Springer Handbook of Advanced Catalyst Characterization written by Israel E. Wachs and published by Springer Nature. This book was released on 2023-06-12 with total page 1109 pages. Available in PDF, EPUB and Kindle. Book excerpt: Co-edited by world-renowned scientists in the field of catalysis, this book contains the cutting-edge in situ and operando spectroscopy characterization techniques operating under reaction conditions to determine a materials’ bulk, surface, and solution complex and their applications in the field of catalysis with emphasis on solid catalysts in powder form since such catalyst are relevant for industrial applications. The handbook covers from widely-used to cutting-edge techniques. The handbook is written for a broad audience of students and professionals who want to pursue the full capabilities available by the current state-of-the-art in characterization to fully understand how their catalysts really operate and guide the rational design of advanced catalysts. Individuals involved in catalysis research will be interested in this handbook because it contains a catalogue of cutting-edge methods employed in characterization of catalysts. These techniques find wide use in applications such as petroleum refining, chemical manufacture, natural gas conversion, pollution control, transportation, power generation, pharmaceuticals and food processing. fdsfds
Author : Corbin Kelsay Livingston
Publisher :
ISBN 13 :
Total Pages : 62 pages
Book Rating : 4.:/5 (968 download)
Download or read book Developing a Sustainable Catalyst written by Corbin Kelsay Livingston and published by . This book was released on 2016 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : John Meurig Thomas
Publisher : John Wiley & Sons
ISBN 13 :
Total Pages : 312 pages
Book Rating : 4.:/5 (318 download)
Download or read book Characterisation of Catalysts written by John Meurig Thomas and published by John Wiley & Sons. This book was released on 1980 with total page 312 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lincoln scholar Ronald C. White, Jr., describes Lincoln as a man of integrity whose moral compass holds the key to understanding his life.
Author : Philippe Serp
Publisher : John Wiley & Sons
ISBN 13 : 0470403691
Total Pages : 603 pages
Book Rating : 4.4/5 (74 download)
Download or read book Carbon Materials for Catalysis written by Philippe Serp and published by John Wiley & Sons. This book was released on 2009-02-04 with total page 603 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first comprehensive book covering all aspects of the use of carbonaceous materials in heterogeneous catalysis. It covers the preparation and characterization of carbon supports and carbon-supported catalysts; carbon surface chemistry in catalysis; the description of catalytic, photo-catalytic, or electro-catalytic reactions, including the development of new carbon materials such as carbon xerogels, aerogels, or carbon nanotubes; and new carbon-based materials in catalytic or adsorption processes. This is a premier reference for carbon, inorganic, and physical chemists, materials scientists and engineers, chemical engineers, and others.
Author : Zatil Izzah Ahmad Tarmizi
Publisher :
ISBN 13 :
Total Pages : 47 pages
Book Rating : 4.:/5 (96 download)
Download or read book Synthesis and Characterization of Palladium (II)-imine Complexes as Catalyst for Carbon-carbon Bond Formation written by Zatil Izzah Ahmad Tarmizi and published by . This book was released on 2009 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : James Pritchard
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)
Download or read book Preparation and Characterisation of Gold and Palladium Based Catalysts for the Direct Synthesis of Hydrogen Peroxide written by James Pritchard and published by . This book was released on 2012 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: I The research presented in this thesis describes the direct synthesis of hydrogen peroxide from H2 and O2 using supported gold-palladium based catalysts. The direct synthesis process offers a green and sustainable approach compared to the anthraquinone autoxidation (AO) process, which is currently used on an industrial scale to produce >95% H2O2 worldwide. The work presented in this thesis is an attempt to examine the direct synthesis process in terms of determining optimum catalyst compositions for potential scale-up in the near-future. The primary aim of this investigation is centred on catalyst design and characterisation. The first part of this work is a catalyst optimisation study for 2.5 wt% Au-2.5 wt% Pd/TiO2, and involved changing the amount of water used in the catalyst preparation, in this case wet impregnation. It was found that the addition of small amounts of water resulted in approximately 100% enhancement in activity for TiO2-supported catalysts but not for carbonsupported Au-Pd catalysts. The rate of Au/Pd uptake was contrasted and it was determined that the isoelectric point of the support was highly influential. While the activity can be enhanced for TiO2-supported catalysts, both catalyst nanostructure and stability were detrimentally affected by the addition of water during the impregnation step. The second part of this work is focussed on understanding the precise nature of the acid pre-treatment effect, where treatment of a carbon support in dilute nitric acid prior to the impregnation of Au and Pd precursors can result in the complete switching-off of sequential H2O2 hydrogenation activity over the catalyst. Characterisation and heat treatment studies gave an improved understanding of the relationship between Au/Pd and the carbon support. The next part of the study addresses the use of a colloidal immobilisation method to pre-fabricate Au-Pd 'designer' nanoparticles onto supports and is accompanied by extensive advanced aberration corrected electron microscopy studies. The effect of acid pre-treating silica based supports is then considered for catalysts prepared by wet-impregnation, specifically the fact that acid pre-treatment of silica is required to induce synergy between Au and Pd metals for the direct synthesis of hydrogen peroxide. The final part of this work considers the effect of introducing a third metal into the catalyst design, specifically the addition of Pt to Au/Pd compositions. An extensive catalyst screening study is undertaken for Au-Pd-Pt/CeO2 catalysts.
Author : Geoffrey C Bond
Publisher : World Scientific
ISBN 13 : 1908979852
Total Pages : 383 pages
Book Rating : 4.9/5 (89 download)
Download or read book Catalysis By Gold written by Geoffrey C Bond and published by World Scientific. This book was released on 2006-08-15 with total page 383 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gold has traditionally been regarded as inactive as a catalytic metal. However, the advent of nanoparticulate gold on high surface area oxide supports has demonstrated its high catalytic activity in many chemical reactions. Gold is active as a heterogeneous catalyst in both gas and liquid phases, and complexes catalyse reactions homogeneously in solution. Many of the reactions being studied will lead to new application areas for catalysis by gold in pollution control, chemical processing, sensors and fuel cell technology. This book describes the properties of gold, the methods for preparing gold catalysts and ways to characterise and use them effectively in reactions. The reaction mechanisms and reasons for the high activities are discussed and the applications for gold catalysis considered./a
Author : Junko Mitome Watson
Publisher :
ISBN 13 :
Total Pages : 474 pages
Book Rating : 4.:/5 (489 download)
Download or read book Spectroscopic Characterization of Palladium Based Catalysts Supported on Titania Prepared by Sol-gel for Reduction of Nitrogen Oxides Using Methane written by Junko Mitome Watson and published by . This book was released on 2001 with total page 474 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jairton Dupont
Publisher : John Wiley & Sons
ISBN 13 : 3527623221
Total Pages : 431 pages
Book Rating : 4.5/5 (276 download)
Download or read book Palladacycles written by Jairton Dupont and published by John Wiley & Sons. This book was released on 2008-09-08 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: From synthesis to applications in catalysis, material science and biology this much-needed book is the first to comprehensively present everything you need to know about palladacycles. Renowned international authors guarantee high-quality content, making this a must-have for everyone working in the field.
Author : R. Maggi
Publisher : Elsevier
ISBN 13 : 0080539459
Total Pages : 1007 pages
Book Rating : 4.0/5 (85 download)
Download or read book Preparation of Catalysts VII written by R. Maggi and published by Elsevier. This book was released on 1998-08-17 with total page 1007 pages. Available in PDF, EPUB and Kindle. Book excerpt: The proceedings of the VIIth International Symposium on the Scientific Bases for the Preparation of Heterogeneous Catalysts, are in line with the general scope of this series of events. Emphasis in all Symposia has been on the scientific aspects of the preparation of new and industrial catalysts, or on new methods of preparation, rather than on the catalytic reactions in which such solids are ultimately used. In the present context, the catalytic event itself has only been considered as another, though often decisive, method of catalyst characterization.
