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Author :
Publisher :
ISBN 13 :
Total Pages : 245 pages
Book Rating : 4.:/5 (917 download)
Download or read book Sulfated Zirconia Alkane Isomerization Catalysts written by and published by . This book was released on 2004 with total page 245 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Michael A. Risch
Publisher :
ISBN 13 :
Total Pages : 528 pages
Book Rating : 4.:/5 (423 download)
Download or read book Synthesis, Characterization, and Light N-alkane Isomerization Activity of Mesoporous Sulfated Zirconia Catalysts written by Michael A. Risch and published by . This book was released on 1999 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Rafat Ahmad
Publisher :
ISBN 13 : 9783898205023
Total Pages : 130 pages
Book Rating : 4.2/5 (5 download)
Download or read book N-butane and N-pentane Isomerization Over Sulfated Zirconia Catalysts Investigated by in Situ UV-vis-near-IR Diffuse Reflectance Spectroscopy written by Rafat Ahmad and published by . This book was released on 2003 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Mario Anthony Coelho
Publisher :
ISBN 13 :
Total Pages : 182 pages
Book Rating : 4.:/5 (464 download)
Download or read book Modification of the Catalytic Properties of Sulfated Zirconia by the Addition of Metal Promoters for the Isomerization of N-butane written by Mario Anthony Coelho and published by . This book was released on 1995 with total page 182 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Jose E. Tabora
Publisher :
ISBN 13 :
Total Pages : 266 pages
Book Rating : 4.:/5 (647 download)
Download or read book Characterization and Reactivity of Transition Metal Modified Sulfated Zirconia Catalysts for Low Temperature N-butane Isomerization written by Jose E. Tabora and published by . This book was released on 1996 with total page 266 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Meghshyam Keshvarao Patil
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783848430178
Total Pages : 188 pages
Book Rating : 4.4/5 (31 download)
Download or read book Synthesis, Characterization and Reactions of Zirconia-Based Solid Acids written by Meghshyam Keshvarao Patil and published by LAP Lambert Academic Publishing. This book was released on 2012-04 with total page 188 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solid acids and superacids are the topics of everlasting interest due to numerous applications in many areas of the chemical industry. The present understanding of acid induced or catalyzed reactions cover an extremely broad field, ranging from large-scale industrial processes in hydrocarbon chemistry to enzyme-controlled reactions in the living cell. Among solid acid catalysts, the sulfated zirconia (SZ) has been received lot of interest which was first prepared and explored as a hydrocarbon isomerization catalyst in 1962. This book which is based on a comprehensive research study gives a detail information regarding synthesis of zirconia based solid acid catalysts, their characterization and applications particularly in organic synthesis and transformation reactions; and Cu(I)-Zeolite as a green catalyst for synthesis of propargylamines. This book is essential for researcher working in the field of catalysis.
Author : Tsz-Keung Cheung
Publisher :
ISBN 13 :
Total Pages : 364 pages
Book Rating : 4.:/5 (58 download)
Download or read book Conversion of Light Alkanes in the Presence of Solid Acid Catalysts written by Tsz-Keung Cheung and published by . This book was released on 1997 with total page 364 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Publisher :
ISBN 13 :
Total Pages : 83 pages
Book Rating : 4.:/5 (684 download)
Download or read book Superacid Catalysis of Light Hydrocarbon Conversion. Final Report, August 26, 1993--August 26, 1996 written by and published by . This book was released on 1996 with total page 83 pages. Available in PDF, EPUB and Kindle. Book excerpt: Motivated by the goal of finding improved catalysts for low- temperature conversion of light alkanes into fuel components or precursors of fuel components, the researchers have investigated sulfated zirconia and promoted sulfated zirconia for conversion of butane, propane, and ethane. Catalyst performance data for sulfated zirconia promoted with iron and manganese show that it is the most active noncorrosive, nonhalide catalyst known for n-butane isomerization, and it is an excellent candidate catalyst for new low- temperature n-butane isomerization processes to make isobutane, which can be converted by established technology into methyl t-butyl ether (MTBE). Various transition metals have been found to work as promoters of sulfated zirconia for n-butane isomerization. The combination of iron and manganese is the best known combination of promoters yet discovered. The iron- and manganese-promoted sulfated zirconia is also a catalyst for conversion of propane and of ethane. Ethane is converted into ethylene and butanes in the presence of the iron- and manganese-promoted sulfated zirconia; propane is also converted into butane, among other products. However, the activities of the catalyst for these reactions are orders of magnitude less than the activity for n-butane conversion, and there is no evidence that the catalyst would be of practical value for conversion of alkanes lighter than butane. The product distribution data for ethane and propane conversion provide new insights into the nature of the catalyst and its acidity. These data suggest the involvement of Olah superacid chemistry, whereby the catalyst protonates the alkane itself, giving carbonium ions (as transition states). The mechanism of protonation of the alkane may also pertain to the conversion of butane, but there is good evidence that the butane conversion also proceeds via alkene intermediates by conventional mechanisms of carbenium ion formation and rearrangement.
Author : Rolf E. Jentoft
Publisher :
ISBN 13 :
Total Pages : 388 pages
Book Rating : 4.:/5 (59 download)
Download or read book New Developments in Catalysts for Key Reactions in Petroleum/hydrocarbon Processing written by Rolf E. Jentoft and published by . This book was released on 1999 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : E. Gaigneaux
Publisher : Elsevier
ISBN 13 : 0080540740
Total Pages : 1150 pages
Book Rating : 4.0/5 (85 download)
Download or read book Scientific Bases for the Preparation of Heterogeneous Catalysts written by E. Gaigneaux and published by Elsevier. This book was released on 2002-08-29 with total page 1150 pages. Available in PDF, EPUB and Kindle. Book excerpt: It has become a tradition that every four years, the Université Catholique de Louvain and the Katholieke Universiteit Leuven jointly organize a symposium devoted to the scientific bases for the preparation of heterogeneous catalysts. These meetings bring together researchers from academia and industry and offer a forum for discussions on the chemistry involved in the preparation of industrial heterogeneous catalysts. This volume containing the Proceedings of the 8th International Symposium on Scientific Bases for the Preparation of Heterogeneous Catalysts consists of papers summarizing most of the 139 oral communications and posters selected by the international scientific committee, composed of 27 experts in the field of catalyst preparation, holding an industrial or academia appointment. The contributions focus on the aspects of catalyst preparation. The main topics are: new approaches in catalyst preparation; advanced preparations of nanoporous and mesoporous catalysts; catalysts preparation for special performances and purposes; catalysts for environmental purposes; and molecular catalysis. Emphasis is put on the role that catalysis can play as an essential element of sustainable development.
Author :
Publisher : Elsevier
ISBN 13 : 0080490247
Total Pages : 382 pages
Book Rating : 4.0/5 (84 download)
Download or read book Advances in Catalysis written by and published by Elsevier. This book was released on 2004-08-24 with total page 382 pages. Available in PDF, EPUB and Kindle. Book excerpt: Since 1948, Advances in Catalysis has filled the gap between the papers that report on and the textbooks that teach in the diverse areas of catalysis research. The editors of and contributors to Advances in Catalysis are dedicated to recording progress in this area. Advances in Catalysis, Volume 48, includes a description of a new and increasingly well understood class of catalysts (titanosilicates), a review of transmission electron microscopy and related methods applied to catalyst characterization, and summaries of the chemistry and processes of isobutane-alkene alkylation and partial oxidation and CO2 reforming of methane to synthesis gas. · Provides a comprehensive review of all aspects of catalytic research
Author : Kazushi Arata
Publisher :
ISBN 13 : 9781612096490
Total Pages : 0 pages
Book Rating : 4.0/5 (964 download)
Download or read book Solid Superacids written by Kazushi Arata and published by . This book was released on 2011 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: An acid that is stronger than the acid strength of 100% sulphuric acid is known as a superacid. Environmental concerns about the use of toxic liquid superacids and liquid inorganic acids in the transformation of hydrocarbons provide an impetus for a search of stable and more environmentally friendly solid acid catalysts. This book examines an important opportunity related to green chemistry where solid superacids lead to new gas- and liquid-solid phase reactions, which are environmentally benign processes in the chemical industry.
Author : George A. Olah
Publisher : John Wiley & Sons
ISBN 13 : 0470421541
Total Pages : 872 pages
Book Rating : 4.4/5 (74 download)
Download or read book Superacid Chemistry written by George A. Olah and published by John Wiley & Sons. This book was released on 2009-03-26 with total page 872 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chemistry of superacids has developed in the last two decades into a field of growing interest and importance. Now available in a new expanded second edition, this definitive work on superacids offers a comprehensive review of superacids and discusses the development of new superacid systems and applications of superacids in the promotion of unusual reactions. Covering Bronsted and Leurs superacids, solid superacids, carbocations, heterocations, and catalyzed reactions, this timely volume is invaluable to professionals, faculty, and graduate students in organic, inorganic, and physical chemistry.
Author : Hideshi Hattori
Publisher : CRC Press
ISBN 13 : 9814463299
Total Pages : 511 pages
Book Rating : 4.8/5 (144 download)
Download or read book Solid Acid Catalysis written by Hideshi Hattori and published by CRC Press. This book was released on 2015-04-01 with total page 511 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solids that possess acidic properties on their surfaces function as catalysts just like liquid acids, such as sulfuric acid and hydrochloric acid. By using solid acid catalysts, chemical processes become more productive and more environmentally friendly. In fact, solid acids are being used in many industrial chemical processes from the largest chem
Author : A. Corma
Publisher : Elsevier
ISBN 13 : 0080528635
Total Pages : 2051 pages
Book Rating : 4.0/5 (85 download)
Download or read book 12th International Congress on Catalysis written by A. Corma and published by Elsevier. This book was released on 2000-07-05 with total page 2051 pages. Available in PDF, EPUB and Kindle. Book excerpt: The twelfth Congress on Catalysis was held in Granada (Spain) under the auspices of the International Association of Catalysis Societies and the Spanish Society of Catalysis. These four-volume Proceedings are the expression of the Scientific Sessions which constituted the main body of the Congress.They include 5 plenary lectures, 1 award lecture, 8 keynote lectures, 124 oral presentations and 495 posters. The oral and poster contributions have been selected on the basis of the reports of at least two international reviewers, according to standards comparable to those used for specialised journals.
Author : Paul C J Kamer
Publisher : Royal Society of Chemistry
ISBN 13 : 1849739900
Total Pages : 897 pages
Book Rating : 4.8/5 (497 download)
Download or read book Contemporary Catalysis written by Paul C J Kamer and published by Royal Society of Chemistry. This book was released on 2017 with total page 897 pages. Available in PDF, EPUB and Kindle. Book excerpt: Providing an integrated approach to the various aspects of catalysis, this textbook is ideal for graduate students from catalysis, engineering, and organic synthesis.
Author :
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (684 download)
Download or read book Superacid Catalysis of Light Hydrocarbon Conversion. Eleventh Quarterly Report, April 1, 1996--June 30, 1996 written by and published by . This book was released on 1996 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: The new catalyst Fe- and Mn-promoted sulfated zirconia is remarkably active for the low-temperature (even room temperature) isomerization of n-butane to give isobutane in the near absence of side products. Thus this catalyst offers excellent potential for practical application in this process. The catalyst is so active that it even converts smaller alkanes, including propane and ethane. The ethane conversion is orders of magnitude slower than the butane conversion, and the prospects for practical application with ethane are apparently negligible. However, the results for ethane conversion provide strong evidence that the alkane conversions proceed (at least under some conditions) by protonation of the alkane with the catalyst; thus the catalyst is comparable to superacids, and the chemistry is analogous to that occurring in superacid solutions. This insight will be useful in further improvement of the catalyst and the potential process for butane isomerization. The catalyst is active for alkane cracking at temperatures of typically 200-300°C, and evidence, summarized here, indicates that numerous reactions of alkanes begin as the catalyst protonates the alkane reactant. The kinetics data for this family of reactions fall on a linear compensation effect plot; such data for reactions that do not proceed via such a mechanism do not fall near the line representing the compensation effect. Thus the analysis of the kinetics data provides a good diagnostic tool for understanding the fundamental chemistry of the acid-catalyzed hydrocarbon conversions.
