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Economics Of Catalyst Production Scale Up For Hydrogen Isotope Exchange
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Book Synopsis Economics of catalyst production scale-up for hydrogen isotope exchange by : D. A. Spagnolo
Download or read book Economics of catalyst production scale-up for hydrogen isotope exchange written by D. A. Spagnolo and published by . This book was released on 1994 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogen Isotope Exchange with a Wetproofed Catalyst by : Paul W. K. Seto
Download or read book Hydrogen Isotope Exchange with a Wetproofed Catalyst written by Paul W. K. Seto and published by . This book was released on 1984 with total page 156 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogenation and Hydrogen Isotope Exchange by : Richard J. Mudd
Download or read book Hydrogenation and Hydrogen Isotope Exchange written by Richard J. Mudd and published by . This book was released on 2016 with total page 952 pages. Available in PDF, EPUB and Kindle. Book excerpt: The field of iridium(I)-mediated processes has expanded over the past 50 years, with new avenues of research constantly opening. To this end, the Kerr group has developed a series of cationic iridium(I) catalysts bearing a bulky NHC/phosphine ligand sphere that can effectively mediate mild hydrogen isotope exchange and olefin hydrogenation processes.Having said this, with the ever-expanding scope of NHCs and the increasing ease of access to phosphines, the possibility still exists to further improve upon these complexes with lower catalyst loadings, faster reaction times, and an improved substrate scope. To this end, this thesis details some of the work achieved throughout the last 3.5 years.Within the first chapter, progress towards more efficient olefin hydrogenation is discussed. In the first instance, highly selective hydrogenation, through the use of a directing group was targeted. Initial investigations focussed upon manipulating the counterion to the cationic iridium(I) complexes in question, and manipulating the ligand sphere through changing the nature of the phosphine and NHC. This process generated new methods for the synthesis of NHC/phosphine catalysts, and was applied to the production of a number of novel complexes. Following on from this, a highly efficient reduction process was optimised, and the selectivity therein investigated.Following on from this, the equivalent asymmetric reaction was then studied, thus entering a new field of research within the group, and therefore, requiring the development of a completely new catalyst system. This process was guided by the non-asymmetric system, and synthesis of a number of model non-chiral complexes. After thoroughly testing the newly synthesised complexes, greater understanding was gained of the requirements for a highly enantioselective reaction, and, through this, to propose a plausible selectivity model and mechanism.In chapter two, we discuss the development of NHC/phosphine catalysts in hydrogen isotope exchange, with a partiular focus on the selectivity of the exchange process. Following on from previous work in the group, this first targets the use of weakly coordinating acids as a directing group, and the impact that addition of base has upon the selectivity of the reaction.Furthermore, understanding that drug design is moving away from planar molecules, towards non-planar, sp3-rich compounds, we also investigated the possibility of exchange at positions in a molecule other than an sp2 aryl ring. This was initially observed when developing the hydrogenation methods discussed in chapter one, enabling selective sp2 exchange in conjugated olefins. This new, highly selective method of labelling was examined through a combined experimental and computational investigation, leading to a thorough understanding of the mechanism and factors governing reaction selectivity. Having progressed from sp2-aryl to sp2-non-aryl exchange, the logical progression was to next investigate sp3 exchange. Through a detailed study three protocols were developed, enabling exchange on a wide range of sp3 hybridised sites, in pharmaceutically relevant systems. These new processes were investigated mechanistically and computationally to ascertain the mechanism and selectivity of exchange.
Book Synopsis Catalysts for water-hydrogen isotope exchange reaction and how to make the same by : Kenjiro Murata
Download or read book Catalysts for water-hydrogen isotope exchange reaction and how to make the same written by Kenjiro Murata and published by . This book was released on 1980 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Preparation of platinized carbon catalyst for hydrogen/water isotope exchange by : S. Suppiah
Download or read book Preparation of platinized carbon catalyst for hydrogen/water isotope exchange written by S. Suppiah and published by . This book was released on 1993 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis AIChE Publications by : Nichigai Asoshiētsu
Download or read book AIChE Publications written by Nichigai Asoshiētsu and published by . This book was released on 1973 with total page 640 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gas Abstracts written by and published by . This book was released on 1991 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis International Aerospace Abstracts by :
Download or read book International Aerospace Abstracts written by and published by . This book was released on 1980 with total page 846 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy Research Abstracts written by and published by . This book was released on 1986 with total page 668 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plasma Catalysis by : Annemie Bogaerts
Download or read book Plasma Catalysis written by Annemie Bogaerts and published by MDPI. This book was released on 2019-04-02 with total page 248 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma catalysis is gaining increasing interest for various gas conversion applications, such as CO2 conversion into value-added chemicals and fuels, N2 fixation for the synthesis of NH3 or NOx, methane conversion into higher hydrocarbons or oxygenates. It is also widely used for air pollution control (e.g., VOC remediation). Plasma catalysis allows thermodynamically difficult reactions to proceed at ambient pressure and temperature, due to activation of the gas molecules by energetic electrons created in the plasma. However, plasma is very reactive but not selective, and thus a catalyst is needed to improve the selectivity. In spite of the growing interest in plasma catalysis, the underlying mechanisms of the (possible) synergy between plasma and catalyst are not yet fully understood. Indeed, plasma catalysis is quite complicated, as the plasma will affect the catalyst and vice versa. Moreover, due to the reactive plasma environment, the most suitable catalysts will probably be different from thermal catalysts. More research is needed to better understand the plasma–catalyst interactions, in order to further improve the applications.
Download or read book Chemistry in Canada written by and published by . This book was released on 1975 with total page 714 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1974 with total page 1296 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Hydrogen Storage Materials by : R. G. Barnes
Download or read book Hydrogen Storage Materials written by R. G. Barnes and published by . This book was released on 1988 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ames Laboratory, Iowa, USA
Book Synopsis Handbook of Nuclear Chemistry by : Attila Vértes
Download or read book Handbook of Nuclear Chemistry written by Attila Vértes and published by Springer Science & Business Media. This book was released on 2003 with total page 422 pages. Available in PDF, EPUB and Kindle. Book excerpt: Impressive in its overall size and scope, this five-volume reference work provides researchers with the tools to push them into the forefront of the latest research. The Handbook covers all of the chemical aspects of nuclear science starting from the physical basics and including such diverse areas as the chemistry of transactinides and exotic atoms as well as radioactive waste management and radiopharmaceutical chemistry relevant to nuclear medicine. The nuclear methods of the investigation of chemical structure also receive ample space and attention. The international team of authors consists of 77 world-renowned experts - nuclear chemists, radiopharmaceutical chemists and physicists - from Austria, Belgium, Germany, Great Britain, Hungary, Holland, Japan, Russia, Sweden, Switzerland and the United States. The Handbook is an invaluable reference for nuclear scientists, biologists, chemists, physicists, physicians practicing nuclear medicine, graduate students and teachers - virtually all who are involved in the chemical and radiopharmaceutical aspects of nuclear science. The Handbook also provides for further reading through its rich selection of references.
Book Synopsis Theoretical Chemical Engineering Abstracts by :
Download or read book Theoretical Chemical Engineering Abstracts written by and published by . This book was released on 1984 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Manual of Process Economic Evaluation by : Alain Chauvel
Download or read book Manual of Process Economic Evaluation written by Alain Chauvel and published by Editions TECHNIP. This book was released on 2003 with total page 488 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume will enable the reader to successfully undertake pre-project evaluations, especially in the areas of refining and petrochemistry. It encompasses all the essential steps: market analysis, comparative studies of technical and economic issues, sensitivity studies, sizing and costing of the equipment required for an industrial-scale plant, estimation of capital spending, calculation of costs and sales prices, etc. The first edition of this manual proved to be a very valuable teaching tool for universities and advanced engineering and business schools, both in France and abroad. It is essential for the rapid evaluation of the cost and profitability of proposed plants and of those already in operation. It has been widely used by engineers, consulting firms, and corporate research and development departments. Its status as the only current publication that covers all the steps involved in the economic evaluation of projects will render it particularly valuable to its users. It will quickly become indispensable to everyone whose job it is to evaluate the economic impact of the development, cancellation or reorientation of a project.Contents: 1. Market analysis. 2. The elements of economic calculation. 3. The determination of battery limits investments. Appendix 1. Functional modules method (FMM). Appendix 2. PrE-estime method. Bibliography. Index
Book Synopsis Ammonia Synthesis Catalysts: Innovation And Practice by : Huazhang Liu
Download or read book Ammonia Synthesis Catalysts: Innovation And Practice written by Huazhang Liu and published by World Scientific. This book was released on 2013-03-21 with total page 895 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a review of worldwide developments in ammonia synthesis catalysts over the last 30 years. It focuses on the new generation of Fe1-xO based catalysts and ruthenium catalysts — both are major breakthroughs for fused iron catalysts. The basic theory for ammonia synthesis is systematically explained, covering topics such as the chemical components, crystal structure, preparation, reduction, performance evaluation, characterization of the catalysts, the mechanism and kinetics of ammonia synthesis reaction. Both theory and practice are combined in this presentation, with emphasis on the research methods, application and exploitation of catalysts.The comprehensive volume includes an assessment of the economic and engineering aspects of ammonia plants based on the performance of catalysts. Recent developments in photo-catalysis, electro-catalysis, biocatalysis and new uses of ammonia are also introduced in this book.The author, Professor Huazhang Liu, has been engaged in research and practice for more than 50 years in this field and was the inventor of the first Fe1-xO based catalysts in the world. He has done a lot of research on Fe3O4 based- and ruthenium based-catalysts, and has published more than 300 papers and obtained 21 patents during his career.