Superacid Catalysis Of Light Hydrocarbon Conversion Final Report August 26 1993 August 26 1996

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Superacid Catalysis of Light Hydrocarbon Conversion. Final Report, August 26, 1993--August 26, 1996

Author :
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ISBN 13 :
Total Pages : 83 pages
Book Rating : 4.:/5 (684 download)

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Book Synopsis Superacid Catalysis of Light Hydrocarbon Conversion. Final Report, August 26, 1993--August 26, 1996 by :

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.

Superacid Catalysis of Light Hydrocarbon Conversion. First Quarterly Technical Report, August 25--November 24, 1993

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ISBN 13 :
Total Pages : 6 pages
Book Rating : 4.:/5 (685 download)

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Book Synopsis Superacid Catalysis of Light Hydrocarbon Conversion. First Quarterly Technical Report, August 25--November 24, 1993 by :

Download or read book Superacid Catalysis of Light Hydrocarbon Conversion. First Quarterly Technical Report, August 25--November 24, 1993 written by and published by . This book was released on 1993 with total page 6 pages. Available in PDF, EPUB and Kindle. Book excerpt: Goal is to evaluate the potential value of solid superacid catalysts of the sulfated zirconia type for light hydrocarbon conversion; such catalysts will be tested in a flow reactor fed with streams containing, for example, n-butane or propane. This report summarizes the design of the reactor system.

Superacid Catalysis of Light Hydrocarbon Conversion. Tenth Quarterly Report, January 1, 1996--March 31, 1996

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Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.:/5 (683 download)

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Book Synopsis Superacid Catalysis of Light Hydrocarbon Conversion. Tenth Quarterly Report, January 1, 1996--March 31, 1996 by :

Download or read book Superacid Catalysis of Light Hydrocarbon Conversion. Tenth Quarterly Report, January 1, 1996--March 31, 1996 written by and published by . This book was released on 1996 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transition metal promoters markedly increase the activity of sulfated zirconia for isomerization of butane. Data presented here demonstrate the effects of the promoters zinc, iron, and manganese; none of these is as effective as the iron/manganese combination. The effects of feed impurities (olefins and/or isobutane in n-butane) are consistent with those described in the preceding quarterly report: they lead to an improvement in catalytic activity. These observations are inferred to be of practical importance; they indicate the benefit of the impurities in increasing butane conversion. The product distribution data show that reactions accompanying isomerization and disproportionation are more important with some promoters (e.g., iron) than others (e.g., zinc). The data demonstrate that the iron- and manganese-promoted catalyst can be regenerated at least sever times with negligible loss of activity (within the experimental error). To apply this catalyst or a related catalyst industrially, it seems very likely to be necessary to reduce the rate of deactivation substantially and/or to regenerate the catalyst through many cycles.

Superacid Catalysis of Light Hydrocarbon Conversion. DOE PETC Seventh Quarterly Progress Report, April 1, 1995-July 31, 1995

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ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (88 download)

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Book Synopsis Superacid Catalysis of Light Hydrocarbon Conversion. DOE PETC Seventh Quarterly Progress Report, April 1, 1995-July 31, 1995 by :

Download or read book Superacid Catalysis of Light Hydrocarbon Conversion. DOE PETC Seventh Quarterly Progress Report, April 1, 1995-July 31, 1995 written by and published by . This book was released on 1996 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Superacid Catalysis of Light Hydrocarbon Conversion. Ninth Quarterly Report, October 1, 1995--December 31, 1995

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Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (683 download)

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Book Synopsis Superacid Catalysis of Light Hydrocarbon Conversion. Ninth Quarterly Report, October 1, 1995--December 31, 1995 by :

Download or read book Superacid Catalysis of Light Hydrocarbon Conversion. Ninth Quarterly Report, October 1, 1995--December 31, 1995 written by and published by . This book was released on 1995 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: Transition metal promoters of sulfated zirconia increase its catalytic activity for the conversion of n-butane. The promoter effects vary from one transition metal to another in the family zinc, iron, nickel, cobalt, and manganese. The most active catalyst so far tested is promoted by both iron and manganese. This catalyst is two or more orders of magnitude more active than unpromoted sulfated zirconia. The manganese promoter alone markedly increases the catalytic activity, but the activity declines very rapidly with time on stream in the flow reactor. Under the same experimental conditions, iron has a smaller but longer-lasting effect as a promoter than manganese, and to a first approximation, the iron- and manganese-promoted catalyst shows a behavior that is a superposition of those of the two individual promoters.

Government Reports Announcements & Index

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Publisher :
ISBN 13 :
Total Pages : 1104 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis Government Reports Announcements & Index by :

Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1996 with total page 1104 pages. Available in PDF, EPUB and Kindle. Book excerpt:

March's Advanced Organic Chemistry

Author : Michael B. Smith
Publisher : John Wiley & Sons
ISBN 13 : 0470084944
Total Pages : 2379 pages
Book Rating : 4.4/5 (7 download)

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Book Synopsis March's Advanced Organic Chemistry by : Michael B. Smith

Download or read book March's Advanced Organic Chemistry written by Michael B. Smith and published by John Wiley & Sons. This book was released on 2007-01-29 with total page 2379 pages. Available in PDF, EPUB and Kindle. Book excerpt: The Sixth Edition of a classic in organic chemistry continues its tradition of excellence Now in its sixth edition, March's Advanced Organic Chemistry remains the gold standard in organic chemistry. Throughout its six editions, students and chemists from around the world have relied on it as an essential resource for planning and executing synthetic reactions. The Sixth Edition brings the text completely current with the most recent organic reactions. In addition, the references have been updated to enable readers to find the latest primary and review literature with ease. New features include: More than 25,000 references to the literature to facilitate further research Revised mechanisms, where required, that explain concepts in clear modern terms Revisions and updates to each chapter to bring them all fully up to date with the latest reactions and discoveries A revised Appendix B to facilitate correlating chapter sections with synthetic transformations

ACS Style Guide

Author : Anne M. Coghill
Publisher : American Chemical Society
ISBN 13 : 9780841239494
Total Pages : 0 pages
Book Rating : 4.2/5 (394 download)

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Book Synopsis ACS Style Guide by : Anne M. Coghill

Download or read book ACS Style Guide written by Anne M. Coghill and published by American Chemical Society. This book was released on 2006 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: In the time since the second edition of The ACS Style Guide was published, the rapid growth of electronic communication has dramatically changed the scientific, technical, and medical (STM) publication world. This dynamic mode of dissemination is enabling scientists, engineers, and medicalpractitioners all over the world to obtain and transmit information quickly and easily. An essential constant in this changing environment is the requirement that information remain accurate, clear, unambiguous, and ethically sound.This extensive revision of The ACS Style Guide thoroughly examines electronic tools now available to assist STM writers in preparing manuscripts and communicating with publishers. Valuable updates include discussions of markup languages, citation of electronic sources, online submission ofmanuscripts, and preparation of figures, tables, and structures. In keeping current with the changing environment, this edition also contains references to many resources on the internet.With this wealth of new information, The ACS Style Guide's Third Edition continues its long tradition of providing invaluable insight on ethics in scientific communication, the editorial process, copyright, conventions in chemistry, grammar, punctuation, spelling, and writing style for any STMauthor, reviewer, or editor. The Third Edition is the definitive source for all information needed to write, review, submit, and edit scholarly and scientific manuscripts.

Solid Base Catalysis

Author : Yoshio Ono
Publisher : Springer Science & Business Media
ISBN 13 : 3642183395
Total Pages : 431 pages
Book Rating : 4.6/5 (421 download)

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Book Synopsis Solid Base Catalysis by : Yoshio Ono

Download or read book Solid Base Catalysis written by Yoshio Ono and published by Springer Science & Business Media. This book was released on 2012-08-31 with total page 431 pages. Available in PDF, EPUB and Kindle. Book excerpt: The importance of solid base catalysts has come to be recognized for their environmentally benign qualities, and much significant progress has been made over the past two decades in catalytic materials and solid base-catalyzed reactions. The book is focused on the solid base. Because of the advantages over liquid bases, the use of solid base catalysts in organic synthesis is expanding. Solid bases are easier to dispose than liquid bases, separation and recovery of products, catalysts and solvents are less difficult, and they are non-corrosive. Furthermore, base-catalyzed reactions can be performed without using solvents and even in the gas phase, opening up more possibilities for discovering novel reaction systems. Using numerous examples, the present volume describes the remarkable role solid base catalysis can play, given the ever increasing worldwide importance of "green" chemistry. The reader will obtain an overall view of solid base catalysis and gain insight into the versatility of the reactions to which solid base catalysts can be utilized. The concept and significance of solid base catalysis are discussed, followed by descriptions of various methods for the characterization of solid bases, including spectroscopic methods and test reactions. The preparation and properties of base materials are presented in detail, with the two final chapters devoted to surveying the variety of reactions catalyzed by solid bases.

Solid Acid Catalysis

Author : Hideshi Hattori
Publisher : CRC Press
ISBN 13 : 9814463299
Total Pages : 511 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Solid Acid Catalysis by : Hideshi Hattori

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

Isocyanide-based Multicomponent Reactions

Author : Jonathan G. Rudick
Publisher : Frontiers Media SA
ISBN 13 : 2889634841
Total Pages : 100 pages
Book Rating : 4.8/5 (896 download)

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Book Synopsis Isocyanide-based Multicomponent Reactions by : Jonathan G. Rudick

Download or read book Isocyanide-based Multicomponent Reactions written by Jonathan G. Rudick and published by Frontiers Media SA. This book was released on 2020-02-20 with total page 100 pages. Available in PDF, EPUB and Kindle. Book excerpt: This eBook is a collection of articles from a Frontiers Research Topic. Frontiers Research Topics are very popular trademarks of the Frontiers Journals Series: they are collections of at least ten articles, all centered on a particular subject. With their unique mix of varied contributions from Original Research to Review Articles, Frontiers Research Topics unify the most influential researchers, the latest key findings and historical advances in a hot research area! Find out more on how to host your own Frontiers Research Topic or contribute to one as an author by contacting the Frontiers Editorial Office: frontiersin.org/about/contact.

Surface Chemistry and Catalysis

Author : Albert F. Carley
Publisher : Springer Science & Business Media
ISBN 13 : 9780306473937
Total Pages : 404 pages
Book Rating : 4.4/5 (739 download)

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Book Synopsis Surface Chemistry and Catalysis by : Albert F. Carley

Download or read book Surface Chemistry and Catalysis written by Albert F. Carley and published by Springer Science & Business Media. This book was released on 2002-09-30 with total page 404 pages. Available in PDF, EPUB and Kindle. Book excerpt: Exciting results are still emerging from the many research groups working in this fertile area and the book is an excellent stimulus to researchers at the start of the 21st century."--BOOK JACKET.

Principles and Methods for Accelerated Catalyst Design and Testing

Author : E.G. Derouane
Publisher : Springer Science & Business Media
ISBN 13 : 9401005540
Total Pages : 504 pages
Book Rating : 4.4/5 (1 download)

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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.

Alkane Functionalization

Author : Armando J. L. Pombeiro
Publisher : John Wiley & Sons
ISBN 13 : 111937880X
Total Pages : 680 pages
Book Rating : 4.1/5 (193 download)

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Book Synopsis Alkane Functionalization by : Armando J. L. Pombeiro

Download or read book Alkane Functionalization written by Armando J. L. Pombeiro and published by John Wiley & Sons. This book was released on 2019-03-11 with total page 680 pages. Available in PDF, EPUB and Kindle. Book excerpt: Presents state-of-the-art information concerning the syntheses of valuable functionalized organic compounds from alkanes, with a focus on simple, mild, and green catalytic processes Alkane Functionalization offers a comprehensive review of the state-of-the-art of catalytic functionalization of alkanes under mild and green conditions. Written by a team of leading experts on the topic, the book examines the latest research developments in the synthesis of valuable functionalized organic compounds from alkanes. The authors describe the various modes of interaction of alkanes with metal centres and examine theoxidative alkane functionalization upon C-O bond formation. They address the many types of mechanisms, discuss typical catalytic systems and highlight the strategies inspired by biological catalytic systems. The book also describes alkane functionalization upon C-heteroatom bond formation as well as oxidative and non-oxidative approaches. In addition, the book explores non-transition metal catalysts and metal-free catalytic systems and presents selected types of functionalization of sp3 C-H bonds pertaining to substrates other than alkanes. This important resource: Presents a guide to the most recent advances concerning the syntheses of valuable functionalized organic compounds from alkanes Contains information from leading experts on the topic Offers information on the catalytic functionalization of alkanes that allows for improved simplicity and sustainability compared to current multi-stage industrial processes Explores the challenges inherent with the application of alkanes as starting materials for syntheses of added value functionalized organic compounds Written for academic researchers and industrial scientists working in the fields of coordination chemistry, organometallic chemistry, catalysis, organic synthesis and green chemistry, Alkane Functionalization is an important resource for accessing the most up-to-date information available in the field of catalytic functionalization of alkanes.

Nanotechnology in Catalysis 3

Author : Bing Zhou
Publisher : Springer Science & Business Media
ISBN 13 : 0387346880
Total Pages : 342 pages
Book Rating : 4.3/5 (873 download)

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Book Synopsis Nanotechnology in Catalysis 3 by : Bing Zhou

Download or read book Nanotechnology in Catalysis 3 written by Bing Zhou and published by Springer Science & Business Media. This book was released on 2007-09-05 with total page 342 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume continues the tradition formed in Nanotechnology in Catalysis 1 and 2. As with those books, this one is based upon an ACS symposium. Some of the most illustrious names in heterogeneous catalysis are among the contributors. The book covers: Design, synthesis, and control of catalysts at nanoscale; understanding of catalytic reaction at nanometer scale; characterization of nanomaterials as catalysts; nanoparticle metal or metal oxides catalysts; nanomaterials as catalyst supports; new catalytic applications of nanomaterials.

Solid Acids and Bases

Author : Kozo Tanabe
Publisher : Elsevier
ISBN 13 : 0323160581
Total Pages : 184 pages
Book Rating : 4.3/5 (231 download)

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Book Synopsis Solid Acids and Bases by : Kozo Tanabe

Download or read book Solid Acids and Bases written by Kozo Tanabe and published by Elsevier. This book was released on 2012-12-02 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Solid Acids and Bases: Their Catalytic Properties reviews developments in the studies of acidic and basic properties of solids, including the efficacy and special characteristics of solid acid and base catalysts. This book discusses the determination of basic and acidic properties on solid surfaces and relationship between acid strength and acid amount. The structure and acid-base properties of mixed metal oxides and correlation between acid-base properties and catalytic activity and selectivity are also deliberated. This publication is useful to professional chemists and graduate students in the fields of organic, inorganic and physical chemistry, petroleum chemistry and catalysis, including readers interested in the acidic and basic properties on solid surfaces.

Deactivation and Regeneration of Zeolite Catalysts

Author : M. Guisnet
Publisher : World Scientific
ISBN 13 : 1848166370
Total Pages : 359 pages
Book Rating : 4.8/5 (481 download)

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Book Synopsis Deactivation and Regeneration of Zeolite Catalysts by : M. Guisnet

Download or read book Deactivation and Regeneration of Zeolite Catalysts written by M. Guisnet and published by World Scientific. This book was released on 2011 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: In chemical processes, the progressive deactivation of solid catalysts is a major economic concern and mastering their stability has become as essential as controlling their activity and selectivity. For these reasons, there is a strong motivation to understand the mechanisms leading to any loss in activity and/or selectivity and to find out the efficient preventive measures and regenerative solutions that open the way towards cheaper and cleaner processes. This book covers in a comprehensive way both the fundamental and applied aspects of solid catalyst deactivation and encompasses the state-of-the-art in the field of reactions catalyzed by zeolites. This particular choice is justified by the widespread use of molecular sieves in refining, petrochemicals and organic chemicals synthesis processes, by the large variety in the nature of their active sites (acid, base, acid-base, redox, bifunctional) and especially by their peculiar features, in terms of crystallinity, structural order and textural properties, which make them ideal models for heterogeneous catalysis. The aim of this book is to be a critical review in the field of zeolite deactivation and regeneration, by collecting a series of contributions by experts in the field which describe the factors, explain the techniques to study the causes and suggest methods to prevent (or limit) catalyst deactivation. At the same time, an anthology of commercial processes and exemplar cases provides the reader with theoretical insights and practical hints on the deactivation mechanisms and draws attention to the key role played by the loss of activity on process design and industrial practice.