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Combustion Catalytique Du Methane Sur Perovskites A Base De Lanthane
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Book Synopsis Combustion Catalytique Du Méthane Sur Pérovskites À Base de Lanthane by : Fernando Martinez-Ortega
Download or read book Combustion Catalytique Du Méthane Sur Pérovskites À Base de Lanthane written by Fernando Martinez-Ortega and published by Omniscriptum. This book was released on 2011 with total page 168 pages. Available in PDF, EPUB and Kindle. Book excerpt: Évaluation des performances catalytiques de catalyseurs d'oxydation complète du méthane, d'un point de vue activité et durabilité. Leur évaluation dans des conditions voisines de celles régnant dans un brûleur. Nous avons réalisé un test catalytique permettant d'effectuer des mesures cinétiques dans des conditions isothermes contrôlables à 900°C et en présence de vapeur d'eau et de CO2. Les études montré que l'activité catalytique variait en fonction de la composition du catalyseur: La1- xSrxMO3. Les constantes de vitesse intrinsèques, rapportées à la surface du catalyseur ont été estimé. Il était possible de maintenir une activité catalytique constante pendant plus de 100 heures de réaction en présence d'H2O et de CO2 par l'utilisation de: Ba1.2La0.8Al0.8Ti0.2O4 et Sr0.8La0.2Ti0.8Fe0.2O4.Sur un plan fondamental nous avons montré qu'il existe une relation entre la réductibilité du catalyseur et la mobilité de l'oxygène réticulaire. Les résultats obtenus par pulses de méthane ont permis d'observer la présence de deux sites d'oxydation, l'un très oxydant et responsable de la formation du CO2, l'autre moins réactif.
Book Synopsis Methane Combustion over Lanthanum-based Perovskite Mixed Oxides by : Hamidreza Arandiyan
Download or read book Methane Combustion over Lanthanum-based Perovskite Mixed Oxides written by Hamidreza Arandiyan and published by Springer. This book was released on 2015-04-30 with total page 123 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents current research into the catalytic combustion of methane using perovskite-type oxides (ABO3). Catalytic combustion has been developed as a method of promoting efficient combustion with minimum pollutant formation as compared to conventional catalytic combustion. Recent theoretical and experimental studies have recommended that noble metals supported on (ABO3) with well-ordered porous networks show promising redox properties. Three-dimensionally ordered macroporous (3DOM) materials with interpenetrated and regular mesoporous systems have recently triggered enormous research activity due to their high surface areas, large pore volumes, uniform pore sizes, low cost, environmental benignity, and good chemical stability. These are all highly relevant in terms of the utilization of natural gas in light of recent catalytic innovations and technological advances. The book is of interest to all researchers active in utilization of natural gas with novel catalysts. The research covered comes from the most important industries and research centers in the field. The book serves not only as a text for researcher into catalytic combustion of methane, 3DOM perovskite mixed oxide, but also explores the field of green technologies by experts in academia and industry. This book will appeal to those interested in research on the environmental impact of combustion, materials and catalysis.
Book Synopsis Combustion catalytique du méthane sur des pérovskites à base de lanthane. Stabilité et étude cinétique à haute température by : Fernando Martinez Ortega
Download or read book Combustion catalytique du méthane sur des pérovskites à base de lanthane. Stabilité et étude cinétique à haute température written by Fernando Martinez Ortega and published by . This book was released on 2000 with total page 179 pages. Available in PDF, EPUB and Kindle. Book excerpt: L'OBJECTIF PRINCIPAL DE CETTE ETUDE ETAIT L'EVALUATION DES PERFORMANCES CATALYTIQUES DE CATALYSEURS D'OXYDATION COMPLETE DU METHANE, AUSSI BIEN D'UN POINT DE VUE ACTIVITE QUE DURABILITE. IL ETAIT IMPORTANT D'EFFECTUER LEUR EVALUATION DANS DES CONDITIONS VOISINES DE CELLES REGNANT DANS UN BRULEUR : HAUTE TEMPERATURE (900\C) ET EN PRESENCE DE VAPEUR D'EAU ET DE CO 2. NOUS AVONS REALISE UN TEST CATALYTIQUE PERMETTANT D'EFFECTUER DES MESURES CINETIQUES DANS DES CONDITIONS ISOTHERMES CONTROLABLES, BEAUCOUP PLUS PROCHES DE LA REALITE QUE CELLES HABITUELLEMENT MISES EN UVRE. LES OXYDES DE TYPE PEROVSKITE (LA 1 XSR XMO 3) ONT ETE UTILISES COMME CATALYSEURS EN RAISON DE LEUR STABILITE THERMIQUE ET DE LA POSSIBILITE DE MODIFIER LEURS PROPRIETES REDOX A PARTIR DU DEGRE DE SUBSTITUTION PARTIELLE DU LA PAR DU SR ET PAR LA NATURE DU CATION METALLIQUE M. LES ETUDES EFFECTUEES DANS DES CONDITIONS CINETIQUES ISOTHERMES A 900\C ONT MONTRE QUE L'ACTIVITE CATALYTIQUE VARIAIT EN FONCTION DE LA COMPOSITION DU CATALYSEUR. EN FONCTION DES DONNEES CINETIQUES DONT NOUS DISPOSIONS (ORDRE CINETIQUE EGAL A 1 PAR RAPPORT AU METHANE ET 0 PAR RAPPORT A L'OXYGENE), ET DE LA PRISE EN COMPTE DE LA NATURE DU REACTEUR (DE TYPE PISTON) IL A ETE POSSIBLE D'ESTIMER LES CONSTANTES DE VITESSE INTRINSEQUES, RAPPORTEES A LA SURFACE DU CATALYSEUR. LES RESULTATS MONTRENT QUE LA VITESSE DE REACTION SURFACIQUE VARIE PEU AU COURS DE LA DESACTIVATION, CELLE-CI ETANT ESSENTIELLEMENT DUE AU FRITTAGE DU CATALYSEUR. NOUS AVONS MONTRE QU'IL ETAIT POSSIBLE DE MAINTENIR UNE ACTIVITE CATALYTIQUE CONSTANTE PENDANT PLUS DE 100 HEURES DE REACTION EN PRESENCE D'EAU ET DE DIOXYDE DE CARBONE PAR L'UTILISATION DES PEROVSKITES LAMELLAIRES TELLES QUE : BA 1 . 2LA 0 . 8AL 0 . 8TI 0 . 2O
Download or read book Perovskite Materials written by Likun Pan and published by BoD – Books on Demand. This book was released on 2016-02-03 with total page 652 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book summarizes the current state of the know-how in the field of perovskite materials: synthesis, characterization, properties, and applications. Most chapters include a review on the actual knowledge and cutting-edge research results. Thus, this book is an essential source of reference for scientists with research fields in energy, physics, chemistry and materials. It is also a suitable reading material for graduate students.
Book Synopsis Sustainable Industrial Chemistry by : Fabrizio Cavani
Download or read book Sustainable Industrial Chemistry written by Fabrizio Cavani and published by John Wiley & Sons. This book was released on 2009-09-22 with total page 621 pages. Available in PDF, EPUB and Kindle. Book excerpt: In recent years the need for sustainable process design and alternative reaction routes to reduce industry?s impact on the environment has gained vital importance. The book begins with a general overview of new trends in designing industrial chemical processes which are environmentally friendly and economically feasible. Specific examples written by experts from industry cover the possibilities of running industrial chemical processes in a sustainable manner and provide an up-to-date insight into the main concerns, e.g., the use of renewable raw materials, the use of alternative energy sources in chemical processes, the design of intrinsically safe processes, microreactor and integrated reaction/ separation technologies, process intensification, waste reduction, new catalytic routes and/or solvent and process optimization.
Book Synopsis Natural Gas Conversion by : A. Holmen
Download or read book Natural Gas Conversion written by A. Holmen and published by Elsevier. This book was released on 1991-05-27 with total page 585 pages. Available in PDF, EPUB and Kindle. Book excerpt: These proceedings reflect the extensive fundamental and applied research efforts that are currently being made on the conversion of gas, in particular on the direct conversion of methane. The Symposium in Oslo focused on the following topics: Direct conversion of methane, Fischer-Tropsch chemistry, methanol conversion and natural gas conversion processes. The main aim was to present the state-of-the-art and progress currently being made within each of these areas. The book contains the papers presented and includes plenary lectures, short communications and posters. The papers will be of interest to scientists and engineers working in the field of gas conversion, transportation fuels, primary petrochemicals and catalysis.
Book Synopsis Principles and Methods for Accelerated Catalyst Design and Testing by : E.G. Derouane
Download or read book Principles and Methods for Accelerated Catalyst Design and Testing written by E.G. Derouane and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 504 pages. Available in PDF, EPUB and Kindle. Book excerpt: High throughput experimentation has met great success in drug design but it has, so far, been scarcely used in the field ofcatalysis. We present in this book the outcome of a NATO ASI meeting that was held in Vilamoura, Portugal, between July 15 and 28, 2001, with the objective of delineating and consolidating the principles and methods underpinning accelerated catalyst design, evaluation, and development. There is a need to make the underlying principles of this new methodology more widely understood and to make it available in a coherent and integrated format. The latter objective is particularly important to the young scientists who will constitute the new catalysis researchers generation. Indeed, this field which is at the frontier offundamental science and may be a renaissance for catalysis, is one which is much more complex than classical catalysis itself. It implies a close collaboration between scientists from many disciplines (chemistry, physics, chemical and mechanical engineering, automation, robotics, and scientific computing in general). In addition, this emerging area of science is also of paramount industrial importance, as progress in this area would collapse the time necessary to discover new catalysts or improve existing ones.
Download or read book Nanomaterials written by A. K. Haghi and published by CRC Press. This book was released on 2013-03-11 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intended as a reference for basic and practical knowledge about the synthesis, characterization, and applications of nanotechnology for students, engineers, and researchers, this book focuses on the production of different types of nanomaterials and their applications, particularly synthesis of different types of nanomaterials, characterization of
Book Synopsis Catalytic Naphtha Reforming by : George J. Antos
Download or read book Catalytic Naphtha Reforming written by George J. Antos and published by CRC Press. This book was released on 1995 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt: This unique, single-source reference offers complete coverage of the process and catalyst chemistry involved in naphtha reforming - from the preparation, characterization, and performance evaluation of catalysts to the operation of the catalyst itself - and evaluates the most recent research into unknown aspects of catalyst reactions, shedding light on the future of catalyst technology. Discussing the complexities of the reforming process, Catalytic Naphtha Reforming delineates commercially available processes and catalysts . . . explores the chemistry of the catalytic sites employed for reactions . . . examines catalyst deactivation, pretreating processes to prevent it, and regeneration processes . . . describes metals recovery as well as significant improvements in platinum reforming catalysts . . . explains process development and modeling . . . presents new commercial technologies . . . and much more.
Book Synopsis Hydrogen and Syngas Production and Purification Technologies by : Ke Liu
Download or read book Hydrogen and Syngas Production and Purification Technologies written by Ke Liu and published by John Wiley & Sons. This book was released on 2010-01-07 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers the timely topic of fuel cells and hydrogen-based energy from its fundamentals to practical applications Serves as a resource for practicing researchers and as a text in graduate-level programs Tackles crucial aspects in light of the new directions in the energy industry, in particular how to integrate fuel processing into contemporary systems like nuclear and gas power plants Includes homework-style problems
Book Synopsis Alcohols and Bioalcohols by : Angelo Bruno Basile
Download or read book Alcohols and Bioalcohols written by Angelo Bruno Basile and published by Nova Science Publishers. This book was released on 2014-01-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book concentrates on some particular aspects of bioalcohols such as its production and uses. The main aim of this book is to provide an overview of worldwide research on the use of bioalcohols in energy development. In fact, it summarises the characteristics and methods used to produce bioethanol and the current approaches on lignocellulosic-derived biofuel with its performance and its exhaust emissions. This book also provides an overview of recent research activities in the field of reactors and catalytic reactions from the steam reforming of alcohol and bioalcohol for the production of H2.
Book Synopsis New and Future Developments in Catalysis by : Steven L Suib
Download or read book New and Future Developments in Catalysis written by Steven L Suib and published by Newnes. This book was released on 2013-07-19 with total page 493 pages. Available in PDF, EPUB and Kindle. Book excerpt: New and Future Developments in Catalysis is a package of seven books that compile the latest ideas concerning alternate and renewable energy sources and the role that catalysis plays in converting new renewable feedstock into biofuels and biochemicals. Both homogeneous and heterogeneous catalysts and catalytic processes will be discussed in a unified and comprehensive approach. There will be extensive cross-referencing within all volumes.The use of solar energy during various catalytic chemical processes for the production of an array of chemical products is the theme of this volume. Photocatalysis is a topic of increasing importance due to its essential role in many of today’s environmental and energy source problems. The use of solar energy for catalytic reactions results in a carbon dioxide–neutral process. All photocatalytic processes and the future developments in this area are discussed, including an economic analysis of the various processes. Offers in-depth coverage of all catalytic topics of current interest and outlines future challenges and research areas A clear and visual description of all parameters and conditions, enabling the reader to draw conclusions for a particular case Outlines the catalytic processes applicable to energy generation and design of green processes
Book Synopsis Hydrogen Production from Nuclear Energy by : Greg F Naterer
Download or read book Hydrogen Production from Nuclear Energy written by Greg F Naterer and published by Springer Science & Business Media. This book was released on 2013-03-28 with total page 506 pages. Available in PDF, EPUB and Kindle. Book excerpt: With the resurgence of nuclear power around the world, and the increasingly important role of hydrogen as a clean energy carrier, the utilization of nuclear energy for large-scale hydrogen production will have a key role in a sustainable energy future. Co-generation of both electricity and hydrogen from nuclear plants will become increasingly attractive. It enables load leveling together with renewable energy and storage of electricity in the form of hydrogen, when electricity prices and demand are lowest at off-peak hours of nuclear plants, such as overnight. Hydrogen Production from Nuclear Energy provides an overview of the latest developments and methods of nuclear based hydrogen production, including electrolysis and thermochemical cycles. Particular focus is given to thermochemical water splitting by the copper-chlorine and sulphur-based cycles. Cycle configurations, equipment design, modeling and implementation issues are presented and discussed. The book provides the reader with an overview of the key enabling technologies towards the design and industrialization of hydrogen plants that are co-located and linked with nuclear plants in the future. The book includes illustrations of technology developments, tables that summarize key features and results, overviews of recent advances and new methods of nuclear hydrogen production. The latest results from leading authorities in the fields will be presented, including efficiencies, costs, equipment design, and modeling.
Download or read book Hydrogenation written by S. David Jackson and published by Walter de Gruyter GmbH & Co KG. This book was released on 2018-09-24 with total page 326 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gives a comprehensive overview of modern hydrogenation methods used in organic synthesis. In clearly structured chapters, the authors cover the catalysts, scope and limitations of their application, and the techniques for hydrogenation of carbon-carbon, carbon-heteroatom and heteroatom-heteroatom multiple bonds.
Book Synopsis Metallographic Polishing by Mechanical Methods, 4th Edition by : Leonard Ernest Samuels
Download or read book Metallographic Polishing by Mechanical Methods, 4th Edition written by Leonard Ernest Samuels and published by ASM International. This book was released on 2003-01-01 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hired Farm Workers by : United States. Employment Standards Administration
Download or read book Hired Farm Workers written by United States. Employment Standards Administration and published by . This book was released on 1971 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mexican Fuel Oil by : Anglo-Mexican Petroleum Products Co
Download or read book Mexican Fuel Oil written by Anglo-Mexican Petroleum Products Co and published by . This book was released on 1914 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
