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Alternative Flowsheets For The Sulfur Iodine Thermochemical Hydrogen Cycle
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Book Synopsis ALTERNATIVE FLOWSHEETS FOR THE SULFUR-IODINE THERMOCHEMICAL HYDROGEN CYCLE. by : LC. BROWN
Download or read book ALTERNATIVE FLOWSHEETS FOR THE SULFUR-IODINE THERMOCHEMICAL HYDROGEN CYCLE. written by LC. BROWN and published by . This book was released on 2003 with total page 19 pages. Available in PDF, EPUB and Kindle. Book excerpt: OAK-B135 A hydrogen economy will need significant new sources of hydrogen. Unless large-scale carbon sequestration can be economically implemented, use of hydrogen reduces greenhouse gases only if the hydrogen is produced with non-fossil energy sources. Nuclear energy is one of the limited options available. One of the promising approaches to produce large quantities of hydrogen from nuclear energy efficiently is the Sulfur-Iodine (S-I) thermochemical water-splitting cycle, driven by high temperature heat from a helium Gas-Cooled Reactor. They have completed a study of nuclear-driven thermochemical water-splitting processes. The final task of this study was the development of a flowsheet for a prototype S-I production plant. An important element of this effort was the evaluation of alternative flowsheets and selection of the reference design.
Book Synopsis Hydrogen Production by the GA Sulfur-iodine Process by :
Download or read book Hydrogen Production by the GA Sulfur-iodine Process written by and published by . This book was released on 1980 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A summary of the progress of the overall total development effort of the General Atomic (GA) sulfur-iodine thermochemical water-splitting cycle over the last two years is reported. The major accomplishments have been the following: (1) Significant improvements in the chemistry of the process. (2) Development, review, and revision of an engineering flowsheet, resulting in a thermal process efficiency of 47%. (3) Screening, identification, and testing of potential materials-of-construction for the corrosive process fluids. (4) Small-scale demonstration of the cycle in a closed loop under recycle conditions. (5) Installation of bench-scale equipment and demonstration of parts of the process in this system. (6) Development of a conceptual, preliminary flowsheet for the GA sulfur-iodine cycle driven by solar energy. The results of the work carried out during the last two years have demonstrated that thermochemical water splitting by the sulfur-iodine cycle is a feasible process and have provided confidence that thermal efficiencies in the range of 50% are achievable.
Book Synopsis Nuclear Hydrogen Production Handbook by : Xing L. Yan
Download or read book Nuclear Hydrogen Production Handbook written by Xing L. Yan and published by CRC Press. This book was released on 2016-04-19 with total page 939 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by two leading researchers from the world-renowned Japan Atomic Energy Agency, the Nuclear Hydrogen Production Handbook is an unrivalled overview of current and future prospects for the effective production of hydrogen via nuclear energy. Combining information from scholarly analyses, industrial data, references, and other resources, this h
Book Synopsis Properties Modeling and Process Synthesis of the Sulfur-iodine Cycle for Thermochemical Water Decomposition to Hydrogen by : James Edward Murphy
Download or read book Properties Modeling and Process Synthesis of the Sulfur-iodine Cycle for Thermochemical Water Decomposition to Hydrogen written by James Edward Murphy and published by . This book was released on 2009 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Process Analysis and Design of the Sulfur-iodine Cycle for Thermochemical Water Decomposition to Hydrogen by : James Edward Murphy
Download or read book Process Analysis and Design of the Sulfur-iodine Cycle for Thermochemical Water Decomposition to Hydrogen written by James Edward Murphy and published by . This book was released on 2007 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Materials Handbook by : François Cardarelli
Download or read book Materials Handbook written by François Cardarelli and published by Springer. This book was released on 2018-07-09 with total page 2302 pages. Available in PDF, EPUB and Kindle. Book excerpt: The unique and practical Materials Handbook (third edition) provides quick and easy access to the physical and chemical properties of very many classes of materials. Its coverage has been expanded to include whole new families of materials such as minor metals, ferroalloys, nuclear materials, food, natural oils, fats, resins, and waxes. Many of the existing families—notably the metals, gases, liquids, minerals, rocks, soils, polymers, and fuels—are broadened and refined with new material and up-to-date information. Several of the larger tables of data are expanded and new ones added. Particular emphasis is placed on the properties of common industrial materials in each class. After a chapter introducing some general properties of materials, each of twenty-four classes of materials receives attention in its own chapter. The health and safety issues connected with the use and handling of industrial materials are included. Detailed appendices provide additional information on subjects as diverse as crystallography, spectroscopy, thermochemical data, analytical chemistry, corrosion resistance, and economic data for industrial and hazardous materials. Specific further reading sections and a general bibliography round out this comprehensive guide. The index and tabular format of the book makes light work of extracting what the reader needs to know from the wealth of factual information within these covers. Dr. François Cardarelli has spent many years compiling and editing materials data. His professional expertise and experience combine to make this handbook an indispensable reference tool for scientists and engineers working in numerous fields ranging from chemical to nuclear engineering. Particular emphasis is placed on the properties of common industrial materials in each class. After a chapter introducing some general properties of materials, materials are classified as follows. ferrous metals and their alloys; ferroalloys; common nonferrous metals; less common metals; minor metals; semiconductors and superconductors; magnetic materials; insulators and dielectrics; miscellaneous electrical materials; ceramics, refractories and glasses; polymers and elastomers; minerals, ores and gemstones; rocks and meteorites; soils and fertilizers; construction materials; timbers and woods; fuels, propellants and explosives; composite materials; gases; liquids; food, oils, resin and waxes; nuclear materials. food materials
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.
Book Synopsis Hydrogen Production from Renewable Resources and Wastes by : Mohammad Reza Rahimpour
Download or read book Hydrogen Production from Renewable Resources and Wastes written by Mohammad Reza Rahimpour and published by CRC Press. This book was released on 2024-11-08 with total page 369 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides readers with a comprehensive overview of the processes and technologies utilized for producing hydrogen from renewable sources. It discusses common methods like gasification, pyrolysis, and liquefaction, along with novel methods like water thermochemical splitting, biophotolysis, biological water‐gas shift reaction, and fermentation processing. The application of various renewable sources, including wind, solar, and geothermal energy, is covered in detail. Introduces water splitting conversion processes for hydrogen production in detail Uniquely provides different pyrolysis, gasification, and liquefaction processes for hydrogen generation Covers different biomass and waste sources for producing hydrogen Discusses biochemical methods for converting biomass to hydrogen Provides the application of renewable energy sources in hydrogen production Part of the multivolume Handbook of Hydrogen Production and Applications, this standalone book guides researchers and academics in chemical, environmental, energy, and related areas of engineering interested in the development and implementation of hydrogen production technologies.
Book Synopsis Sustainable Hydrogen Production by : Ibrahim Dincer
Download or read book Sustainable Hydrogen Production written by Ibrahim Dincer and published by Elsevier. This book was released on 2016-08-05 with total page 494 pages. Available in PDF, EPUB and Kindle. Book excerpt: Sustainable Hydrogen Production provides readers with an introduction to the processes and technologies used in major hydrogen production methods. This book serves as a unique source for information on advanced hydrogen generation systems and applications (including integrated systems, hybrid systems, and multigeneration systems with hydrogen production). Advanced and clean technologies are linked to environmental impact issues, and methods for sustainable development are thoroughly discussed. With Earth’s fast-growing populations, we face the challenge of rapidly rising energy needs. To balance these we must explore more sustainable methods of energy production. Hydrogen is one key sustainable method because of its versatility. It is a constituent of a large palette of essential materials, chemicals, and fuels. It is a source of power and a source of heat. Because of this versatility, the demand for hydrogen is sure to increase as we aim to explore more sustainable methods of energy. Furthermore, Sustainable Hydrogen Production provides methodologies, models, and analysis techniques to help achieve better use of resources, efficiency, cost-effectiveness, and sustainability. The book is intellectually rich and interesting as well as practical. The fundamental methods of hydrogen production are categorized based on type of energy source: electrical, thermal, photonic, and biochemical. Where appropriate, historical context is introduced. Thermodynamic concepts, illustrative examples, and case studies are used to solve concrete power engineering problems. Addresses the fundamentals of hydrogen production using electrical, thermal, photonic, and biochemical energies Presents new models, methods, and parameters for performance assessment Provides historical background where appropriate Outlines key connections between hydrogen production methods and environmental impact/sustainable development Provides illustrative examples, case studies, and study problems within each chapter
Book Synopsis Hydrogen Production Via a Sulfur-sulfur Thermochemical Water-splitting Cycle by : Nicholas J. AuYeung
Download or read book Hydrogen Production Via a Sulfur-sulfur Thermochemical Water-splitting Cycle written by Nicholas J. AuYeung and published by . This book was released on 2011 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thermochemical water splitting cycles have been conceptualized and researched for over half a century, yet to this day none are commercially viable. The heavily studied Sulfur-Iodine cycle has been stalled in the early development stage due to a difficult HI-H2O separation step and material compatibility issues. In an effort to avoid the azeotropic HI-H2O mixture, an imidazolium-based ionic liquid was used as a reaction medium instead of water. Ionic liquids were selected based on their high solubility for SO2, I2, and tunable miscibility with water. The initial low temperature step of the Sulfur-Iodine cycle was successfully carried out in ionic liquid reaction medium. Kinetics of the reaction were investigated by I2 colorimetry. The reaction also evolved H2S gas, which led to the conceptual idea of a new Sulfur-Sulfur thermochemical cycle, shown below: [equation] The critical step in the Sulfur-Sulfur cycle is the steam reformation of H2S. This highly endothermic step is shown to successfully occur at temperatures in excess of 800°C in the presence of a molybdenum catalyst. A parametric study varying the H2O:H2S ratio, temperature, and residence time in a simple tubular quartz reactor was carried out and Arrhenius parameters were estimated. All reactive steps of the Sulfur-Sulfur cycle have been either demonstrated previously or demonstrated in this work. A theoretical heat-to-hydrogen thermal efficiency is estimated to be 55% at a hot temperature of 1100 K and 59% at 2000 K. As a highly efficient, all-fluid based thermochemical cycle, the Sulfur-Sulfur cycle has great potential for feasible process implementation for the transformation of high quality heat to chemical energy.
Author :OECD Nuclear Energy Agency Publisher :Organization for Economic Co-Operation & Developme ISBN 13 : Total Pages :472 pages Book Rating :4.:/5 (334 download)
Book Synopsis Nuclear Production of Hydrogen by : OECD Nuclear Energy Agency
Download or read book Nuclear Production of Hydrogen written by OECD Nuclear Energy Agency and published by Organization for Economic Co-Operation & Developme. This book was released on 2010 with total page 472 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hydrogen has the potential to play an important role as a sustainable and environmentally acceptable energy carrier in the 21st century. This report describes the scientific and technical challenges associated with the production of hydrogen using heat and/or electricity from nuclear power plants, with special emphasis on recent developments in high-temperature electrolysis and the use of different chemical thermodynamic processes. Economics and market analysis as well as safety aspects of the nuclear production of hydrogen are also discussed.
Book Synopsis An Integrated Laboratory-Scale Experiment on the Sulfur - Iodine Thermochemical Cycle for Hydrogen Production by :
Download or read book An Integrated Laboratory-Scale Experiment on the Sulfur - Iodine Thermochemical Cycle for Hydrogen Production written by and published by . This book was released on 2008 with total page 11 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Construction Material Development in Sulfur-Iodine Thermochemical Water-Splitting Process for Hydrogen Production by : Ajit Roy
Download or read book Construction Material Development in Sulfur-Iodine Thermochemical Water-Splitting Process for Hydrogen Production written by Ajit Roy and published by . This book was released on 2005 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Energy written by and published by . This book was released on with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Polygeneration with Polystorage by : Kaveh Rajab Khalilpour
Download or read book Polygeneration with Polystorage written by Kaveh Rajab Khalilpour and published by Academic Press. This book was released on 2018-11-27 with total page 583 pages. Available in PDF, EPUB and Kindle. Book excerpt: Polygeneration with Polystorage: For Energy and Chemicals addresses the problem of both traditional and dispersed generation with a broad, multidisciplinary perspective. As the first book to thoroughly focus on the topic of polygeneration, users will find the problem presented from different scientific and technical domains down to both macro and micro levels. Detailed analyses and state-of-the-art developments in specific fields are included, focusing on storage in conventional energy supply chains and demand-side renewable polygeneration systems, management advice and the necessary market mechanisms needed to support them. This reference is useful for academics and professionals in conventional and unconventional energy systems. Includes an outlined framework towards polygeneration and polystorage down to both micro and macro levels Contains fluid and continuous chapters that provide detailed analysis and a review of the state-of-the-art developments in specific fields Addresses the wider global view of research advancement and potential in the role of polygeneration and polystorage in the move toward sustainability
Book Synopsis Thermochemical Hydrogen Production from the Sulphur-iodine Cycle Powered by Solar Or Nuclear Sources by : Howard Brian James Stone
Download or read book Thermochemical Hydrogen Production from the Sulphur-iodine Cycle Powered by Solar Or Nuclear Sources written by Howard Brian James Stone and published by . This book was released on 2007 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book The Sulfur-Iodine Cycle written by and published by . This book was released on 2010 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Of the 100+ thermochemical hydrogen cycles that have been proposed, the Sulfur-Iodine (S-I) Cycle is a primary target of international interest for the centralized production of hydrogen from nuclear power. However, the cycle involves complex and highly nonideal phase behavior at extreme conditions that is only beginning to be understood and modeled for process simulation. The consequence is that current designs and efficiency projections have large uncertainties, as they are based on incomplete data that must be extrapolated from property models. This situation prevents reliable assessment of the potential viability of the system and, even more, a basis for efficient process design. The goal of this NERI award (05-006) was to generate phase-equilibrium data, property models, and comprehensive process simulations so that an accurate evaluation of the S-I Cycle could be made. Our focus was on Section III of the Cycle, where the hydrogen is produced by decomposition of hydroiodic acid (HI) in the presence of water and iodine (I2) in a reactive distillation (RD) column. The results of this project were to be transferred to the nuclear hydrogen community in the form of reliable flowsheet models for the S-I process. Many of the project objectives were achieved. At Clemson University, a unique, tantalum-based, phase-equilibrium apparatus incorporating a view cell was designed and constructed for measuring fluid-phase equilibria for mixtures of iodine, HI, and water (known as HIx) at temperatures to 350 °C and pressures to 100 bar. Such measurements were of particular interest for developing a working understanding of the expected operation of the RD column in Section III. The view cell allowed for the IR observation and discernment of vapor-liquid (VL), liquid-liquid, and liquid-liquid-vapor (LLVE) equilibria for HIx systems. For the I2-H2O system, liquid-liquid equilibrium (LLE) was discovered to exist at temperatures up to 310-315 °C, in contrast to the models and predictions of earlier workers. For the I2-HI-H2O ternary, LLE and LLVE were all observed for the first time at temperatures of 160 and 200 °C. Three LLE tie-lines were measured at 160 °C, and preliminary indications are that the underlying phase behavior could result in further improvements in the performance of the S-I Cycle. Unfortunately, these new results were obtained too late in the project to be incorporated into the modeling and simulation work described below. At the University of Virginia, a uniquely complete and reliable model was developed for the thermodynamic properties of HIx, covering the range of conditions expected for the separation of product hydrogen and recycled iodine in the RD column located in Section III. The model was validated with all available property spectroscopy data. The results provide major advances over prior understanding of the chemical speciation involved. The model was implemented in process simulation studies of the S-I Cycle, which showed improvement in energy efficiency to 42%, as well as significantly smaller capital requirements due to lower pressure operation and much smaller equipment sizes. The result is that the S-I Cycle may be much more economically feasible than was previously thought. If both the experimental and modeling work described above were to be continued to ultimate process optimization, both the American public and the global community would benefit from this alternative energy source that does not produce carbon emissions.
